Work Experience

  • 2013

    Yrd. Doç. Dr.

    Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Radyolojisi

  • 2013 2013

    Dr.

    Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Radyolojisi

  • 2013 2008

    Dt.

    Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Radyolojisi

Education & Training

  • Ph.D. 2013

    Ağız, Diş ve Çene Radyolojisi

    Yakın Doğu Üniversitesi

  • Master2007

    Diş Hekimliği Fakültesi

    Ankara Üniversitesi

  • Bachelor2007

    Diş Hekimliği

    Ankara Üniversitesi

Honors, Awards and Grants

Research Projects

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http://journals.lww.com/jcraniofacialsurgery/Abstract/2011/05000/Numb_Chin_Syndrome_as_a_Manifestation_of_Possible.40.aspx

General Publication Numb chin syndrome as a manifestation of possible breast cancer metastasis around dental implants, 2016

Abstract


Özet

http://onlinelibrary.wiley.com/doi/10.1111/j.1532-849X.2012.00877.x/full

General Publication The Effect of Removable Partial Dentures on Alveolar Bone Resorption: A Retrospective Study with Cone-Beam Computed Tomography, 2016

Abstract


Özet

http://link.springer.com/article/10.1007/s00276-010-0761-y

General Publication Evaluation of bifid mandibular canals with cone-beam computed tomography in a Turkish adult population: a retrospective study, 2016

Abstract


Özet

http://www.karger.com/Article/Fulltext/339849

General Publication Cone beam CT evaluation of maxillary sinus septa prevalence, height, location and morphology in children and an adult population, 2016

Abstract


Özet

http://journals.lww.com/jcraniofacialsurgery/Abstract/2013/07000/Evaluation_of_Perimandibular_Neurovascularization.142.aspx

General Publication Evaluation of perimandibular neurovascularization with accessory mental foramina using cone-beam computed tomography in children, 2016

Abstract


Özet

http://journals.lww.com/jcraniofacialsurgery/Abstract/2014/03000/Evaluation_of_Foramen_Tympanicum_Using_Cone_Beam.137.aspx

General Publication Evaluation of Foramen Tympanicum Using Cone-Beam Computed Tomography in Orthodontic Malocclusions, 2016

Abstract


Özet

http://europepmc.org/abstract/med/26868217

General Publication Morphometric analysis of the infraorbital foramen, canal and groove using cone beam CT: considerations for creating artificial organs., 2016

Abstract


Özet

http://www.sciencedirect.com/science/article/pii/S2212440314000145

General Publication Evaluation of the superior semicircular canal morphology using cone beam computed tomography: a possible correlation for temporomandibular joint symptoms, 2016

Abstract


Özet

http://www.turkiyeklinikleri.com/article/en-temporomandibuler-eklem-duzensizligi-rahatsizliklarinda-bilgisayarli-tomografi-bulgulari-ve-yorumlama-74335.html

General Publication Temporomandibuler Eklem Düzensizliği Rahatsızlıklarında Bilgisayarlı Tomografi Bulguları ve Yorumlama, 2016

Abstract


Özet

http://search.ebscohost.com/login.aspx?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=13020471&AN=68634780&h=cij1daUvug4WL6WPe2s47Qt1lUlMEtLfZeFNANNzaUaU4yQLFzQjhQC43AoaI2k1wiASiK8OiT0NVl%2B1Wx%2FQww%3D%3D&crl=c

General Publication Kuzey Kibris Türk Cumhuriyetinde diş hekimliği fakültesine başvuran yetişkin popülasyonda diş gelişim bozukluklarina sahip bireylerin orani., 2016

Abstract


Özet

https://www.researchgate.net/profile/Cagri_Delilbasi/publication/258445238_Evaluation_of_articular_eminence_pneumatization_using_cone_beam_computed_tomography/links/0f31752ecbdf34d93d000000.pdf

General Publication Evaluation of articular eminence pneumatization using cone beam computed tomography, 2016

Abstract


Özet

http://www.ejmanager.com/mnstemps/56/56-1333006904.pdf

General Publication An Inverted Eruption of Mesiodens: Report of a Rare Case, 2016

Abstract


Özet

http://www.academia.edu/download/41205798/543bec280cf24a6ddb97c654.pdf20160115-19908-1j2vqvp.pdf

General Publication Case report: multiple keratocystic odontogenic tumour in a non-syndromal pediatric patient, 2016

Abstract


Özet

http://link.springer.com/article/10.1007/s11282-013-0138-0

General Publication Cone-beam CT evaluation of morphology, location, and course of mandibular incisive canal: considerations for implant treatment, 2016

Abstract


Özet

http://www.sciencedirect.com/science/article/pii/S2212440312003896

General Publication Large arteriovenous malformation of the oromaxillofacial region with multiple phleboliths, 2016

Abstract


Özet

http://www.scopemed.org/mnstemps/7/7-1317815243.pdf

General Publication Rate of individuals with tooth development anomalies in the adult population admitting to dental faculty in the Northern Cyprus Turkish Republic, 2016

Abstract


Özet

http://journals.tubitak.gov.tr/medical/abstract.htm?id=18774

General Publication Three-dimensional cephalometric norms of Turkish Cypriots using CBCTimages reconstructed from a volumetric rendering program in vivo, 2016

Abstract


Özet

http://wjso.biomedcentral.com/articles/10.1186/1477-7819-12-401

General Publication Metastasis of prostate carcinoma in the mandible manifesting as numb chin syndrome, 2016

Abstract


Özet

http://www.sciencedirect.com/science/article/pii/S221244031501295X

General Publication Association between pterygoid hamulus length and apnea hypopnea index in patients with obstructive sleep apnea: a combined three-dimensional cone beam computed tomography and polysomnographic study, 2016

Abstract


Özet

http://www.sciencedirect.com/science/article/pii/S221244031501295X

General Publication Association between pterygoid hamulus length and apnea hypopnea index in patients with obstructive sleep apnea: a combined three-dimensional cone beam computed tomography and polysomnographic study, 2016

Abstract


Özet

http://www.tandfonline.com/doi/abs/10.1080/13102818.2016.1174077

General Publication Comparison of linear and angular measurements in CBCT scans using 2D and 3D rendering software, 2016

Abstract


Özet

http://scholar.google.com/scholar?cluster=13470203258886597993&hl=en&oi=scholarr

General Publication Applications of Magnetic Resonance Imaging in Dentomaxillofacial Region, 2016

Abstract


Özet

http://dergipark.ulakbim.gov.tr/omudis/article/download/5000149340/5000135796

General Publication Temporomandibular eklem görüntüleme yöntemleri, 2016

Abstract


Özet

http://www.turkiyeklinikleri.com/article/en-manyetik-rezonans-goruntulemenin-dentomaksillofasiyal-bolgedeki-kullanim-alanlari-58360.html

General Publication Manyetik Rezonans Görüntülemenin Dentomaksillofasiyal Bölgedeki Kullanım Alanları, 2016

Abstract


Özet

http://dspace.marmara.edu.tr/handle/11424/3599

General Publication Bir meziodensin inverse erüpsiyonu: Nadir bir olgu sunumu, 2016

Abstract


Özet

https://www.researchgate.net/profile/Secil_Aksoy/publication/269969958_Kuzey_Kibris_Turk_Cumhuriyetinde_dis_hekimligi_fakultesine_basvuran_yetiskin_populasyonda_dis_gelisim_bozukluklarina_sahip_bireylerin_orani/links/549a86be0cf2fedbc30cc2aa.pdf

General Publication Kuzey Kıbrıs Türk Cumhuriyetinde diş hekimliği fakültesine başvuran yetişkin popülasyonda diş gelişim bozukluklarına sahip bireylerin oranı, 2016

Abstract


Özet

http://dergipark.gov.tr/gaziaot/issue/6544/86759

General Publication Temporomandibular eklemin disk deplasmanları, 2016

Abstract


Özet

General Publication Evaluation of accessory and mental foramen in growing-children with CBCT, 2016

Abstract


Özet

Cone beam CT evaluation of maxillary sinus septa prevalence, height, location and morphology in children and an adult population

Original Article Med Princ Pract, Volume 22, Issue 1, 2013, Pages 47-53

Abstract

Abstract OBJECTIVE: The purpose of this study was to determine the prevalence, height, location and morphology of maxillary sinus septa in dentate, partially dentate and edentulous adults as well as in mixed dentition children using cone beam computed tomography (CBCT) for maxillary sinus surgical interventions. SUBJECTS AND METHODS: Five hundred and fifty-four sides in the CBCT scans of 272 patients (30 children and 242 adults) were retrospectively analyzed. The prevalence, location and morphology were assessed in axial, sagittal, cross-sectional and panoramic 3-dimensional images. The height of septa was measured with the angle between the direction of the septum and median palatine suture. The differences among age, localization and measurements were statistically analyzed. RESULTS: The prevalence of maxillary sinus segments with septa was 58%. There were a total of 13 (3.2%) septa of completely edentulous (CE), 198 (53.9%) septa of edentate and 14 (3.8%) septa of the mixed dentition maxillary segments. The location of septa observed in all study groups demonstrated a greater prevalence (69.1%) in the middle region than in the anterior and posterior regions. No statistically significant differences were observed with regard to gender or age, for septum height (p > 0.05). However, maxillary sinus septa are higher in partially edentulous patients than edentate and CE ones (p < 0.05). CONCLUSION: Septa of various heights and courses developed in all parts of the maxillary sinus, therefore to prevent possible complications during sinus surgery, extensive evaluation with an appropriate radiographic technique was indispensable.


Özet

Abstract OBJECTIVE: The purpose of this study was to determine the prevalence, height, location and morphology of maxillary sinus septa in dentate, partially dentate and edentulous adults as well as in mixed dentition children using cone beam computed tomography (CBCT) for maxillary sinus surgical interventions. SUBJECTS AND METHODS: Five hundred and fifty-four sides in the CBCT scans of 272 patients (30 children and 242 adults) were retrospectively analyzed. The prevalence, location and morphology were assessed in axial, sagittal, cross-sectional and panoramic 3-dimensional images. The height of septa was measured with the angle between the direction of the septum and median palatine suture. The differences among age, localization and measurements were statistically analyzed. RESULTS: The prevalence of maxillary sinus segments with septa was 58%. There were a total of 13 (3.2%) septa of completely edentulous (CE), 198 (53.9%) septa of edentate and 14 (3.8%) septa of the mixed dentition maxillary segments. The location of septa observed in all study groups demonstrated a greater prevalence (69.1%) in the middle region than in the anterior and posterior regions. No statistically significant differences were observed with regard to gender or age, for septum height (p > 0.05). However, maxillary sinus septa are higher in partially edentulous patients than edentate and CE ones (p < 0.05). CONCLUSION: Septa of various heights and courses developed in all parts of the maxillary sinus, therefore to prevent possible complications during sinus surgery, extensive evaluation with an appropriate radiographic technique was indispensable.

Evaluation of articular eminence pneumatization using cone beam computed tomography.

Original Article Minerva Stomatol, Volume 62, Issue 10, 2013, Pages 349-354

Abstract

Knowledge about the anatomy of the temporomandibular joint (TMJ) and its surrounding structures is mandatory for success in surgical interventions and for understanding the pathway of spread of infections in this region. This study aims to investigate the anatomy and morphology of pneumatized articular eminence (PAT) using cone beam computed tomography (CBCT) imaging in a group of patients. METHODS: A retrospective study on 825 patients (377 males, 448 females) aged between 18 and 91 years was performed using sagittal and coronal CBCT images. PAT was defined as non-expansile, nondestructive cyst-like radiolucency in the zygomatic process of the temporal bone, which appears similar to the mastoid air cells. It was classified in two groups as unilocular and multilocular. Statistical comparison of gender, age and localization was performed using chi-square test and correspondence analysis. P<0.05 was considered as significant. RESULTS: Twenty-eight pneumatized articular eminence were found in 21 patients, representing a prevalence of 2.54%. Patients with PAT had a mean age of 28.9 years with a range of 21-78 years. Ten cases (47.6%) occurred in females and 11 cases (52.4%) occurred in males. The results of statistical tests showed no significant differences among the groups with respect to gender, age, and localization (P>0.05). CONCLUSION: Pneumatization of the articular eminence is a challenging entity for TMJ surgery and spread of infections in this region. Practitioners who are dealing with TMJ surgery and pathology should have detailed information about this anatomical variation since it may cause serious complications.


Özet

Knowledge about the anatomy of the temporomandibular joint (TMJ) and its surrounding structures is mandatory for success in surgical interventions and for understanding the pathway of spread of infections in this region. This study aims to investigate the anatomy and morphology of pneumatized articular eminence (PAT) using cone beam computed tomography (CBCT) imaging in a group of patients. METHODS: A retrospective study on 825 patients (377 males, 448 females) aged between 18 and 91 years was performed using sagittal and coronal CBCT images. PAT was defined as non-expansile, nondestructive cyst-like radiolucency in the zygomatic process of the temporal bone, which appears similar to the mastoid air cells. It was classified in two groups as unilocular and multilocular. Statistical comparison of gender, age and localization was performed using chi-square test and correspondence analysis. P<0.05 was considered as significant. RESULTS: Twenty-eight pneumatized articular eminence were found in 21 patients, representing a prevalence of 2.54%. Patients with PAT had a mean age of 28.9 years with a range of 21-78 years. Ten cases (47.6%) occurred in females and 11 cases (52.4%) occurred in males. The results of statistical tests showed no significant differences among the groups with respect to gender, age, and localization (P>0.05). CONCLUSION: Pneumatization of the articular eminence is a challenging entity for TMJ surgery and spread of infections in this region. Practitioners who are dealing with TMJ surgery and pathology should have detailed information about this anatomical variation since it may cause serious complications.

Evaluation of perimandibular neurovascularization with accessory mental foramina using cone-beam computed tomography in children.

Original Article J Craniofac Surg, Volume 24, Issue 4, 2013, Pages 365-369

Abstract

Abstract OBJECTIVES: The purpose of this study was to clarify the perimandibular neurovascularization with mandibular accessory mental foramina in a children population using cone-beam computed tomography (CBCT) to avoid complications during anesthetic and surgical procedures. METHODS: This retrospective study evaluated cone-beam CT images for bifid mandibular canals in the mandibles of 63 children (35 girls, 28 boys; age range, 7-16 years; mean age, 12.3 years). Both right and left sides were examined from CT images (n = 126), including axial, sagittal, cross-sectional, and panoramic views as well as reconstructed three-dimensional images, as necessary. The course, length, and superior and inferior angles between canals were classified and measured. RESULTS: Bifid mandibular canals were observed in 34 (27%) of the 126 sides examined. The most frequently encountered type of bifid canal was the retromolar canal (11.1%), followed by the forward (7.14%), buccolingual (6.35%), and dental canal (2.4%). Mean lengths of bifid canals were 10.2 mm on the right side and 10.6 mm on the left side. Mean superior angles were 131 degrees on the right side and 147 degrees on the left side, whereas mean inferior angles were 47 degrees on the right side and 34 degrees on the left side. No statistically significant differences were found in the lengths or angles between the right and left sides or between boys and girls (P < 0.05). The most common position for the mental foramen was between the first and second premolars, and an accessory mental foramen was observed in 4 children (6.34%). CONCLUSIONS: This study utilized CBCT images to identify bifid mandibular canals and accessory mental foramina in children. Cone-beam CT was found to be a useful technique for detecting secondary canals. However, despite the fact that CBCT uses less ionizing radiation than other types of three-dimensional imaging, unless the diagnostic information provided through CBCT improves treatment results, CBCT should not be recommended for use in children or adolescents.


Özet

Abstract OBJECTIVES: The purpose of this study was to clarify the perimandibular neurovascularization with mandibular accessory mental foramina in a children population using cone-beam computed tomography (CBCT) to avoid complications during anesthetic and surgical procedures. METHODS: This retrospective study evaluated cone-beam CT images for bifid mandibular canals in the mandibles of 63 children (35 girls, 28 boys; age range, 7-16 years; mean age, 12.3 years). Both right and left sides were examined from CT images (n = 126), including axial, sagittal, cross-sectional, and panoramic views as well as reconstructed three-dimensional images, as necessary. The course, length, and superior and inferior angles between canals were classified and measured. RESULTS: Bifid mandibular canals were observed in 34 (27%) of the 126 sides examined. The most frequently encountered type of bifid canal was the retromolar canal (11.1%), followed by the forward (7.14%), buccolingual (6.35%), and dental canal (2.4%). Mean lengths of bifid canals were 10.2 mm on the right side and 10.6 mm on the left side. Mean superior angles were 131 degrees on the right side and 147 degrees on the left side, whereas mean inferior angles were 47 degrees on the right side and 34 degrees on the left side. No statistically significant differences were found in the lengths or angles between the right and left sides or between boys and girls (P < 0.05). The most common position for the mental foramen was between the first and second premolars, and an accessory mental foramen was observed in 4 children (6.34%). CONCLUSIONS: This study utilized CBCT images to identify bifid mandibular canals and accessory mental foramina in children. Cone-beam CT was found to be a useful technique for detecting secondary canals. However, despite the fact that CBCT uses less ionizing radiation than other types of three-dimensional imaging, unless the diagnostic information provided through CBCT improves treatment results, CBCT should not be recommended for use in children or adolescents.

The effect of removable partial dentures on alveolar bone resorption: a retrospective study with cone-beam computed tomography

Original Article J Prosthodont, Volume 22, Issue 1, 2013, Pages 42-48

Abstract

Abstract PURPOSE: The aim of this study was to compare vertical and horizontal mandibular alveolar bone resorption by measuring bone morphological variation in Kennedy Class II removable partial denture (RPD) wearers and non-wearers using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: In total, 124 sites in the CBCT scans of 62 (29 RPD non-wearers, 33 RPD wearers) Kennedy Class II patients were analyzed retrospectively. Three-dimensional representations of the mandible with superimposed cross-sectional slices were developed with the CBCT scans to evaluate the mandibular alveolar height and width by measuring distances between the mandibular canal, mylohyoid ridge, alveolar crest, and lower border of the mandible in four regions (eight sites) of Kennedy Class II non-wearers and wearers of RPDs. RESULTS: Mandibular alveolar bone height and width were significantly lower in edentulous sites when compared with dentate sites in both Kennedy Class II non-wearers and wearers of RPDs (p < 0.05). Additionally, mean vertical and horizontal mandibular bone resorption was significantly higher in RPD wearers than in non-wearers (p < 0.05). CONCLUSIONS: Vertical and horizontal alveolar bone resorption was found to be higher in the RPD wearing patients when comparing the dentate and edentulous sites.


Özet

Abstract PURPOSE: The aim of this study was to compare vertical and horizontal mandibular alveolar bone resorption by measuring bone morphological variation in Kennedy Class II removable partial denture (RPD) wearers and non-wearers using cone-beam computed tomography (CBCT). MATERIALS AND METHODS: In total, 124 sites in the CBCT scans of 62 (29 RPD non-wearers, 33 RPD wearers) Kennedy Class II patients were analyzed retrospectively. Three-dimensional representations of the mandible with superimposed cross-sectional slices were developed with the CBCT scans to evaluate the mandibular alveolar height and width by measuring distances between the mandibular canal, mylohyoid ridge, alveolar crest, and lower border of the mandible in four regions (eight sites) of Kennedy Class II non-wearers and wearers of RPDs. RESULTS: Mandibular alveolar bone height and width were significantly lower in edentulous sites when compared with dentate sites in both Kennedy Class II non-wearers and wearers of RPDs (p < 0.05). Additionally, mean vertical and horizontal mandibular bone resorption was significantly higher in RPD wearers than in non-wearers (p < 0.05). CONCLUSIONS: Vertical and horizontal alveolar bone resorption was found to be higher in the RPD wearing patients when comparing the dentate and edentulous sites.

Cone-beam CT evaluation of morphology, location, and course of mandibular incisive canal: considerations for implant treatment

Original Article Oral Radiol, Volume 30, Issue 1, 2014, Pages 64-75

Abstract

Objectives The purpose of the present study was to assess the presence and course of the incisive canal (IC) in the mental interforaminal region according to dental status, age, and sex using cone-beam computed tomography (CBCT). Methods The right and left sides were retrospectively studied in 356 patients (n = 712). Axial, sagittal, cross-sectional, and panoramic images were evaluated, and three-dimensional images were reconstructed and evaluated as necessary. The morphology, course, and length of mandibular ICs and the inner and outer diameters of the canals were measured. The reliability and reproducibility of measurements were examined using the intraclass correlation coefficient and the coefficient of variation. Results The IC was found on 91 % of images, and its mean length anterior to the mental foramen was approximately 12.4 mm. The mean distance of the IC from the lower mandibular border was 10.5 mm, and its course was closer to the buccal border at the starting point; it deviated lingually through the anterior mandible. Statistically significant differences in the course and localization of the IC were found in edentulous and older patients (p < 0.05). Conclusion A high proportion of mandibular canals can be detected by CBCT imaging. Clinicians should be careful during implant or bone surgery procedures to avoid possible complications, with special emphasis on patient age and dental status, using this imaging modality that minimizes radiation exposure.


Özet

Objectives The purpose of the present study was to assess the presence and course of the incisive canal (IC) in the mental interforaminal region according to dental status, age, and sex using cone-beam computed tomography (CBCT). Methods The right and left sides were retrospectively studied in 356 patients (n = 712). Axial, sagittal, cross-sectional, and panoramic images were evaluated, and three-dimensional images were reconstructed and evaluated as necessary. The morphology, course, and length of mandibular ICs and the inner and outer diameters of the canals were measured. The reliability and reproducibility of measurements were examined using the intraclass correlation coefficient and the coefficient of variation. Results The IC was found on 91 % of images, and its mean length anterior to the mental foramen was approximately 12.4 mm. The mean distance of the IC from the lower mandibular border was 10.5 mm, and its course was closer to the buccal border at the starting point; it deviated lingually through the anterior mandible. Statistically significant differences in the course and localization of the IC were found in edentulous and older patients (p < 0.05). Conclusion A high proportion of mandibular canals can be detected by CBCT imaging. Clinicians should be careful during implant or bone surgery procedures to avoid possible complications, with special emphasis on patient age and dental status, using this imaging modality that minimizes radiation exposure.

Evaluation of the superior semicircular canal morphology using cone beam computed tomography: a possible correlation for temporomandibular joint symptoms.

Original Article Oral Surg Oral Med Oral Pathol Oral Radiol, Volume 117, Issue 3, 2014, Pages 280-288

Abstract

Abstract OBJECTIVE: This study aimed to assess the superior semicircular canal (SSCC) morphology and to determine whether superior semicircular canal dehiscence (SSCD) correlates with temporomandibular joint (TMJ) symptoms. STUDY DESIGN: Clinical data and cone beam computed tomography (CBCT) scans of 175 patients were retrospectively examined by 2 observers. Distribution and thickness measurements of the different types of bone cover of the SSCC were performed. RESULTS: Five radiologic SSCC patterns were identified from CBCT data: 147 cases (42%) were defined as normal (0.6-1.7 mm thickness); 62 cases (17.71%) had a papyraceous pattern (<0.5 mm); 77 cases (22%) showed a thick pattern (>1.8 mm); and 42 cases (12%) had a pneumatized pattern. Observer 1 and 2 diagnosed SSCD in 22 of 350 (6.28%) temporal bones individually and had no discordances between the 2 reviews. All patients with SSCD were identified as having TMJ signs and symptoms (P < .05). CONCLUSIONS: Maxillofacial radiologists should be informed about these structures, which can be helpful for the interpretation of CBCT scans.


Özet

Abstract OBJECTIVE: This study aimed to assess the superior semicircular canal (SSCC) morphology and to determine whether superior semicircular canal dehiscence (SSCD) correlates with temporomandibular joint (TMJ) symptoms. STUDY DESIGN: Clinical data and cone beam computed tomography (CBCT) scans of 175 patients were retrospectively examined by 2 observers. Distribution and thickness measurements of the different types of bone cover of the SSCC were performed. RESULTS: Five radiologic SSCC patterns were identified from CBCT data: 147 cases (42%) were defined as normal (0.6-1.7 mm thickness); 62 cases (17.71%) had a papyraceous pattern (<0.5 mm); 77 cases (22%) showed a thick pattern (>1.8 mm); and 42 cases (12%) had a pneumatized pattern. Observer 1 and 2 diagnosed SSCD in 22 of 350 (6.28%) temporal bones individually and had no discordances between the 2 reviews. All patients with SSCD were identified as having TMJ signs and symptoms (P < .05). CONCLUSIONS: Maxillofacial radiologists should be informed about these structures, which can be helpful for the interpretation of CBCT scans.

Evaluation of Foramen tympanicum using Cone Beam Computed Tomography in orthodontic malocclusions.

Original Article J Craniofac Surg, Volume 25, Issue 2, 2014, Pages 105-109

Abstract

Abstract The foramen tympanicum is a persistent anatomic formation of the temporal bone due to a defect in ossification normal bone physiology in neonatal or postnatal period. This study determined the occurrence and location of the foramen tympanicum in a Turkish sample using cone-beam computed tomography. Scans of 370 sites in 185 patients were retrospectively analyzed to determine foramen tympanicum occurrence, sizes, and locations according to their orthodontic malocclusions. Measurements were done on axial and sagittal sections to identify the dimensions. Differences in foramen tympanicum incidence by measurements, sex, side, malocclusions, and location were statistically evaluated. Foramen tympanicum was determined in 42 (22.7%) of 185 patients. No statistical difference was found considering location and sex (P > 0.05), but it was found more bilaterally in female patients within significance level at P = 0.024. Mean sizes did not differ significantly by sex but were found to be greater in females. In axial diameter, the average measurement was found wider on the right side of all patients (P = 0.017). The findings showed a greater foramen tympanicum dimension among class II than among class I and III subjects (P < 0.05). Knowledge about these structures is helpful for the interpretation of imaging (especially cone-beam computed tomography) and provides valuable information especially before orthognathic surgery to avoid intraoperative reconstruction and complications.


Özet

Abstract The foramen tympanicum is a persistent anatomic formation of the temporal bone due to a defect in ossification normal bone physiology in neonatal or postnatal period. This study determined the occurrence and location of the foramen tympanicum in a Turkish sample using cone-beam computed tomography. Scans of 370 sites in 185 patients were retrospectively analyzed to determine foramen tympanicum occurrence, sizes, and locations according to their orthodontic malocclusions. Measurements were done on axial and sagittal sections to identify the dimensions. Differences in foramen tympanicum incidence by measurements, sex, side, malocclusions, and location were statistically evaluated. Foramen tympanicum was determined in 42 (22.7%) of 185 patients. No statistical difference was found considering location and sex (P > 0.05), but it was found more bilaterally in female patients within significance level at P = 0.024. Mean sizes did not differ significantly by sex but were found to be greater in females. In axial diameter, the average measurement was found wider on the right side of all patients (P = 0.017). The findings showed a greater foramen tympanicum dimension among class II than among class I and III subjects (P < 0.05). Knowledge about these structures is helpful for the interpretation of imaging (especially cone-beam computed tomography) and provides valuable information especially before orthognathic surgery to avoid intraoperative reconstruction and complications.

Comparison of linear and angular measurements in CBCT scans using 2D and 3D rendering software

Original Article BIOTECHNOLOGY & BIOTECHNOLOGICAL EQUIPMENT, Volume 30, Issue 4, 2016, Pages 777-784

Abstract

Abstract The aim of this study was to compare the reliability of both linear and angular measurements conducted on two-dimensional (2D) lateral cephalometric images and three-dimensional (3D) cone-beam computed tomography-generated cephalograms derived from various rendering software. Pre-treatment cephalometric digital radiographs of 15 patients and their corresponding cone beam computed tomographic images were randomly selected. Vista Dent OC as 2D, In vivo 5.1.2, Maxilim and Romexis software were used to generate cephalograms from the CBCT scans (NewTom 3G, QR Verona, Italy). In total, 19 cephalometric landmarks were identified and 18 widely used (11 linear, 7 angular) measurements were performed by an independent observer. Mann-Whitney and Kruskall-Wallis H tests were also used to compare the four methods (p < 0.05). Intra-class correlation coefficients (ICCs) were used to examine the intra-observer reliability. Intra-observer examinations showed various unreliable ICCs, which was an indication of poor reproducibility for condylion-gnathion (Co-Gn), gonion-mentum (Go-Me), anterior nasal spina-mentum (ANS-Me), Wits for all 2D and 3D rendering software (p > 0.05). The ICCs for Vista Dent OC (2D) measurements indicated high reproducibility (p < 0.05). The 2D and 3D generated cephalograms from various rendering software were found to be similar; however, measurements on curved surfaces are not easily reproducible for 3D software.


Özet

Abstract The aim of this study was to compare the reliability of both linear and angular measurements conducted on two-dimensional (2D) lateral cephalometric images and three-dimensional (3D) cone-beam computed tomography-generated cephalograms derived from various rendering software. Pre-treatment cephalometric digital radiographs of 15 patients and their corresponding cone beam computed tomographic images were randomly selected. Vista Dent OC as 2D, In vivo 5.1.2, Maxilim and Romexis software were used to generate cephalograms from the CBCT scans (NewTom 3G, QR Verona, Italy). In total, 19 cephalometric landmarks were identified and 18 widely used (11 linear, 7 angular) measurements were performed by an independent observer. Mann-Whitney and Kruskall-Wallis H tests were also used to compare the four methods (p < 0.05). Intra-class correlation coefficients (ICCs) were used to examine the intra-observer reliability. Intra-observer examinations showed various unreliable ICCs, which was an indication of poor reproducibility for condylion-gnathion (Co-Gn), gonion-mentum (Go-Me), anterior nasal spina-mentum (ANS-Me), Wits for all 2D and 3D rendering software (p > 0.05). The ICCs for Vista Dent OC (2D) measurements indicated high reproducibility (p < 0.05). The 2D and 3D generated cephalograms from various rendering software were found to be similar; however, measurements on curved surfaces are not easily reproducible for 3D software.

Association between pterygoid hamulus length and apnea hypopnea index in patients with obstructive sleep apnea: a combined three-dimensional cone beam computed tomography and polysomnographic study.

Original Article Oral Surg Oral Med Oral Pathol Oral Radiol, Volume 121, Issue 3, 2016, Pages 330-339

Abstract

Abstract OBJECTIVE: The purpose of this study was to investigate the relationships among the pterygoid hamulus (PH), the maxillo-mandibular complex to the pharynx, the upper airway, and the soft palate and a possible connection to sleep apnea severity as assessed by polysomnography. STUDY DESIGN: A total of 100 left and right sides of the PH were retrospectively measured by two observers from 50 cone beam computed tomography images by using three-dimensional rendering program in patients with obstructive sleep apnea (33 males and 17 females, with a mean age of 56.8 years; range 32-82 years). RESULTS: The mean apnea hypopnea index was 30.2 (range 0-95). A linear regression analysis on the apnea hypopnea index with the total length of the PH adjusted for gender, body mass index, neck circumference, and age showed a statistically significant association: (-0.234(*); P = .005). None of the other variables reached formal significance. CONCLUSION: The pterygoid hamulus length is inversely associated with sleep apnea severity. Our study provides further insight into the pathophysiology of sleep apnea, with the result that PH length could be a future supplementary measurement to help clinicians to stratify and determine the best treatment options for patients with obstructive sleep apnea.


Özet

Abstract OBJECTIVE: The purpose of this study was to investigate the relationships among the pterygoid hamulus (PH), the maxillo-mandibular complex to the pharynx, the upper airway, and the soft palate and a possible connection to sleep apnea severity as assessed by polysomnography. STUDY DESIGN: A total of 100 left and right sides of the PH were retrospectively measured by two observers from 50 cone beam computed tomography images by using three-dimensional rendering program in patients with obstructive sleep apnea (33 males and 17 females, with a mean age of 56.8 years; range 32-82 years). RESULTS: The mean apnea hypopnea index was 30.2 (range 0-95). A linear regression analysis on the apnea hypopnea index with the total length of the PH adjusted for gender, body mass index, neck circumference, and age showed a statistically significant association: (-0.234(*); P = .005). None of the other variables reached formal significance. CONCLUSION: The pterygoid hamulus length is inversely associated with sleep apnea severity. Our study provides further insight into the pathophysiology of sleep apnea, with the result that PH length could be a future supplementary measurement to help clinicians to stratify and determine the best treatment options for patients with obstructive sleep apnea.

Three-dimensional cephalometric norms of Turkish Cypriots using CBCTimages reconstructed from a volumetric rendering program in vivo.

Original Article Turk J Med Sci, Volume 46, Issue 3, 2016, Pages 848-61

Abstract

Abstract BACKGROUND/AIM: The aim of this study was to create a database of 3D cephalometric measurements of Turkish Cypriot patients using a 3D rendering software program. MATERIALS AND METHODS: The study population comprised 121 subjects who had undergone cone beam CT imaging (CBCT). Invivo 5.1 software was used to generate cephalograms from the CBCT dataset that were then linked to the 3D hard-tissue surface representations. In total, 38 angular and 28 linear widely used measurements were recorded. RESULTS: The results demonstrated that males had significantly larger mean values than females for all linear measurements, except for dentoalveolar parameters (P < 0.05). Additionally, significant differences were found in most of the mandibular anteroposterior and vertical measurements, especially SNB, GoGn/SN, FMA, and MP/SN, between the sexes (P < 0.05). CONCLUSION: This is the first population-based study to focus solely on Turkish Cypriots' craniofacial anatomy and orthodontic characteristics. The present findings will produce 3D cephalometric normative data for the Cypriot population and will be valuable for oral and maxillofacial surgeons and orthodontists in Cyprus, the UK, Australia, Turkey, and other European countries who treat a large number of Turkish Cypriot patients.


Özet

Abstract BACKGROUND/AIM: The aim of this study was to create a database of 3D cephalometric measurements of Turkish Cypriot patients using a 3D rendering software program. MATERIALS AND METHODS: The study population comprised 121 subjects who had undergone cone beam CT imaging (CBCT). Invivo 5.1 software was used to generate cephalograms from the CBCT dataset that were then linked to the 3D hard-tissue surface representations. In total, 38 angular and 28 linear widely used measurements were recorded. RESULTS: The results demonstrated that males had significantly larger mean values than females for all linear measurements, except for dentoalveolar parameters (P < 0.05). Additionally, significant differences were found in most of the mandibular anteroposterior and vertical measurements, especially SNB, GoGn/SN, FMA, and MP/SN, between the sexes (P < 0.05). CONCLUSION: This is the first population-based study to focus solely on Turkish Cypriots' craniofacial anatomy and orthodontic characteristics. The present findings will produce 3D cephalometric normative data for the Cypriot population and will be valuable for oral and maxillofacial surgeons and orthodontists in Cyprus, the UK, Australia, Turkey, and other European countries who treat a large number of Turkish Cypriot patients.

Morphometric analysis of the infraorbital foramen, canal and groove using cone beam CT: considerations for creating artificial organs.

Original Article Int J Artif Organs, Volume 39, Issue 1, 2016, Pages 28-36

Abstract

Abstract PURPOSE: The aim of this study was to examine the anatomy and variations of the infraorbital foramen and its surroundings via morphometric measurements using cone beam computed tomography (CBCT) scans derived from a 3D volumetric rendering program. METHODS: 354 sides of CBCT scans from 177 patients were examined in this study. DICOM data from these images were exported to Maxilim® software in order to generate 3D surface models. The morphometric measurements were done for infraorbital foramen (IOF), infraorbital groove (IOG) and infraorbital canal (IOC). All images were evaluated by 1 radiologist. To assess intra-observer reliability, the Wilcoxon matched-pairs signed rank test was used. Differences between sex, side, age and measurements were evaluated using chi-square and paired t-test and measurements were evaluated using 1-way ANOVA tests. Differences were considered significant when p<0.05. RESULTS: The most common shape was oval for IOF and parallel for IOC without any accessory foramen. The results showed that females have smaller dimensions for the measurements between the two foramen rotundum (FR), FR-IOF, sella-FR, center of the IOF (cIOF)-nasion (N), cIOF-NB (nasion-B) (p>0.05). No significant difference was found according to age groups (p>0.05). CONCLUSIONS: These results provide detailed knowledge of the anatomical characteristics in this particular area. CBCT imaging with lower radiation dose and thin slices can be a powerful tool for anesthesia procedures like infra orbital nerve blocks, for surgical approaches like osteotomies and neurectomies and also for generating artificial prostheses.


Özet

Abstract PURPOSE: The aim of this study was to examine the anatomy and variations of the infraorbital foramen and its surroundings via morphometric measurements using cone beam computed tomography (CBCT) scans derived from a 3D volumetric rendering program. METHODS: 354 sides of CBCT scans from 177 patients were examined in this study. DICOM data from these images were exported to Maxilim® software in order to generate 3D surface models. The morphometric measurements were done for infraorbital foramen (IOF), infraorbital groove (IOG) and infraorbital canal (IOC). All images were evaluated by 1 radiologist. To assess intra-observer reliability, the Wilcoxon matched-pairs signed rank test was used. Differences between sex, side, age and measurements were evaluated using chi-square and paired t-test and measurements were evaluated using 1-way ANOVA tests. Differences were considered significant when p<0.05. RESULTS: The most common shape was oval for IOF and parallel for IOC without any accessory foramen. The results showed that females have smaller dimensions for the measurements between the two foramen rotundum (FR), FR-IOF, sella-FR, center of the IOF (cIOF)-nasion (N), cIOF-NB (nasion-B) (p>0.05). No significant difference was found according to age groups (p>0.05). CONCLUSIONS: These results provide detailed knowledge of the anatomical characteristics in this particular area. CBCT imaging with lower radiation dose and thin slices can be a powerful tool for anesthesia procedures like infra orbital nerve blocks, for surgical approaches like osteotomies and neurectomies and also for generating artificial prostheses.

Large arteriovenous malformation of the oromaxillofacial region with multiple phleboliths.

Review Oral Surg Oral Med Oral Pathol Oral Radiol, Volume 114, Issue 4, 2012, Pages 147-158

Abstract

Vascular tumors are the most common benign tumors of the head and neck in infancy and childhood. Vascular anomalies of the head and neck were divided into 2 categories including hemangiomas and vascular malformations. Oral and maxillofacial hemangiomas and vascular malformations are congenital lesions with various clinical characteristics, manifestations, indications, and possibilities for treatment. This paper reports a case of large arteriovenous malformations including a description of the features demonstrated by panoramic radiography, cone beam computed tomography, and magnetic resonance imaging. The differential diagnosis and treatment modalities (including embolization with N-butylcyanoacrylate in this case) are also discussed following the case presentation, along with the available literature review.


Özet

Vascular tumors are the most common benign tumors of the head and neck in infancy and childhood. Vascular anomalies of the head and neck were divided into 2 categories including hemangiomas and vascular malformations. Oral and maxillofacial hemangiomas and vascular malformations are congenital lesions with various clinical characteristics, manifestations, indications, and possibilities for treatment. This paper reports a case of large arteriovenous malformations including a description of the features demonstrated by panoramic radiography, cone beam computed tomography, and magnetic resonance imaging. The differential diagnosis and treatment modalities (including embolization with N-butylcyanoacrylate in this case) are also discussed following the case presentation, along with the available literature review.

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    ORAL DIAGNOSIS AND RADIOLOGY

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  • 2015 AKADEMİK YILI

    ORAL DIAGNOSIS AND RADIOLOGY

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    ORAL DIAGNOSIS AND RADIOLOGY

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    ORAL DIAGNOSIS AND RADIOLOGY

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  • 2016 GÜZ

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  • 2014 BAHAR

    ORAL SURGERY AND BASIC ORAL RADIOLOGY 1

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    ORAL SURGERY AND BASIC ORAL RADIOLOGY 1

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  • 2017 AKADEMİK YILI

    ORAL DIAGNOSIS AND RADIOLOGY

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    ORAL DIAGNOSIS AND RADIOLOGY

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    ORAL DIAGNOSIS AND RADIOLOGY

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  • 2015 GÜZ

    ORAL SURGERY AND BASIC ORAL RADIOLOGY 2

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  • 2017 AKADEMİK YILI

    ORAL DIAGNOSIS AND RADIOLOGY

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