Bölüm başkanı
YDÜ, YDÜ Diş Hekimliği Ortodonti AD
1979 Antalya'da doğmuştur. 2002 yılında Ankara Üniversitesi Diş Hekimliği Fakültesi'ni; 2009 yılında ise aynı üniversitenin Ortodonti AD'da doktora eğitimini tamamlamıştır. Ardından Yakın Doğu Üniversitesi'nde akademik yaşamına devam etmiştir. Bu süre zarfında, 2010 yılında yardımcı doçent; 2011 yılında The Ohio State Universite'nde, Columbus, OH, ABD, klinik gözlemci; 2012 - 2013 Kentucky Üniversitesi Lexington, KY, ABD, öğretim görevlisi ve araştırmacı; 2013 Michigan Universitesi AnnArbor, MI, ABD, konuk araştırmacı olarak çaılıştıktan sonra; 2015 Nisan ayında T.C. Üniversiteler Arası Kurulu tarafından Ortodonti bilim doçenti olmuştur.
YDÜ, YDÜ Diş Hekimliği Ortodonti AD
Ortodonti
Ankara Üniversitesi
Diş Hekimliği
Ankara Üniversitesi
Diş Hekimliği
Ankara Üniversitesi
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AIM: The occurrence of multiple supernumerary teeth is rare and often found in association with syndromes such as cleidocranial dysplasia, Gardner's syndrome or cleft lip and palate. Few examples of non-syndromal multiple supernumerary teeth have been reported. The aim of this multi-centre study was to investigate the prevalence of supernumerary premolar teeth in non-syndromic patients and to investigate the association between the presence of supernumerary premolar teeth and malocclusion type in a Turkish population. MATERIALS AND METHODS: The clinical records and panoramic radiographs of 10,700 patients (referred to three different university hospitals) were retrospectively examined for the presence of supernumerary premolars. Age, gender, orthodontic malocclusion type, the number of supernumerary premolars (two or more), the distribution, location, position (vertical, horizontal, inverted, mesio-angular), surgical approach, and related complications (pain, cystic changes, root resorption, or eruption disturbance of adjacent teeth) were recorded. RESULTS: Forty-two cases (13 Class I, 17 Class II, 12 Class III) of multiple mandibular supernumerary premolars in patients without an associated syndrome were detected. A total of 97 (27 Class I, 41 Class II, 29 Class III) supernumerary premolar teeth were found, with a prevalence of 0.39%. No statistical difference was found related to gender, malocclusion type and supernumerary premolars (p > 0.05). The majority of the extra premolars were located in the mandible, which was statistically significant (p < 0.05). CONCLUSION: The present study revealed that the prevalence of multiple supernumerary teeth was 0.39%. The most frequently impacted premolars were found in the mandible and more often associated with Class II malocclusions in the examined Turkish population.
OBJECTIVE: To evaluate the effect of diameter and orthodontic loading of a screw-type implantable device on bone remodeling. MATERIALS AND METHODS: Screw-shaped devices of four distinct diameters, 1.6, 2, 3, and 3.75 mm, were placed into edentulous sites in five skeletally mature beagle dogs (n = 14/dog) following premolar extraction. Using a split-mouth design, devices on one side were loaded using calibrated 2N coil springs. Epifluorescent bone labels were administered intravenous prior to sacrifice. Bone-implant sections (~ 70 µm) were evaluated to quantify bone formation rate (BFR), and other histomorphometric variables were assessed in the implant supporting bone. RESULTS: The mean BFR ranged from 10.93 percent per year to 38.91 percent per year. BFR in the bone adjacent to the device was lower for the loaded 1.6-mm screws when compared with the nonloaded 1.6-mm screws (P < .01) and the loaded 2.0-, 3.0-, and 3.75-mm diameter screws (P < .01). No significant differences in BFR were noted, regardless of loading condition, between the 2.0-, 3.0-, and 3.75-mm diameter screws. CONCLUSIONS: We detected a dramatic reduction in bone remodeling. Although orthodontic loading of 2N did not alter bone remodeling associated with screws with a 2.0-mm diameter or larger, it did decrease bone remodeling adjacent to a loaded 1.6-mm screw. The long-term effect of this diminished remodeling should be further investigated.
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