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    Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns
    (Hindawi Ltd, 2014) Arslan, Seher Gunduz; Dildes, Neval; Kama, Jalen Devecioglu
    The aim of this retrospective study was to examine hyoid bone position and C1 (atlas) morphology in males and females and analyze these parameters with respect to different sagittal skeletal patterns via cephalometry, with the goal of identifying cephalometric norms. Lateral cephalometric radiographs from 120 individuals (average age: 21.1 + 2.9 years) were classified according to their ANB angle (Class I, II, or III) and used to assess 14 parameters. Class I and II patients showed significant differences in Hy-NSL, Hy-PD, Hy-CVT, Lum, and a-p measurements. These parameters were consistently larger in males than in females. Intergroup comparisons among males showed significant differences in the SNA, ANB, Hy-CVT, X, and Z measurements. The hyoid was positioned more inferiorly and anteriorly and was more prominent in males than in females in all groups. Among participants exhibiting a Class I skeletal pattern, C1 was also larger in the anterior-posterior direction in males than in females. In the sagittal plane, the hyoid was positioned similarly in males with either Class I or III skeletal patterns but was positioned posteriorly in males with a Class II skeletal pattern. In addition, the vertical position of C1 varied with sagittal skeletal pattern in males.
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    Öğe
    The effects of morus nigra on the alveolar bone loss in experimentally-induced periodontitis
    (Istanbul Univ Press, Istanbul Univ Rectorate, 2019) Yildirim, Tuba Talo; Ozan, Gonca; Dundar, Serkan; Bozoglan, Alihan; Karaman, Tahir; Dildes, Neval; Kaya, Can Ayhan
    Purpose The aim of this study is to evalute the anti-inflammatory effects of morus migra on experimentally-induced periodontitis in rats. Materials and Methods Twenty-four Wistar-albino rats were randomly divided into three groups: control group (C, n=8), experimental periodontitis (PER, n=8), experimental periodontitis and treated with Morus nigra (MN+PER, n=8) (50 mg/kg per day for 21 days). After 21 days, the rats were sacrificed, and alveolar bones were evaluated histopathologically and histometrically analyzed to obtain level of alveolar bone loss. The detection of RANKL and OPG were immunohistochemically performed. Serum and tissue levels of MMP-8 and MMP-13 were also analyzed. Results Morus nigra treatment decreased tissue MMP-8 and MMP-13 levels and there were significant differences in the case of tissue levels of MMP-8 and MMP-13 between groups PER and MN+PER (p=0.035, p=0.041). There were no significant differences among all the groups serum levels of MMP-8 and MMP-13 (p=0.067, p=0.082). In the histometric evaluation, alveolar bone loss was greater in the PER group compared to C and MN groups (p=0.035). Immuno-histochemical staining of RANKL activities were found significantly lower (p=0.037) and OPG activities were found significantly higher in MN+PER group when compared to PER group (p=0.021). Conclusion The present study reveals that systemic administration of Morus nigra significantly inhibited the regional alveolar bone resorption and contributes to periodontal healing in the rat experimental-periodontitis models.
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    Öğe
    Handedness of orthodontists and its impact on practice
    (Sivas Cumhuriyet Üniversitesi, 2012) Odabaş, Bahar; Dildes, Neval; Genç, Celal; Veli, İlknur; Özer, Torun
    Objectives: To assess the handedness prevelance of orthodontists and analyse the discomfort of left-handedorthodontists on practice. Materials and Methods: A questionnaire about the laterality of orthodontists and their discomfort was preparedand distributed to our orthodontic society members. 173 questionnaires were investigated.Results: Fifteen of the participants were left-handed individuals. Of all the 15 samples, only 1 practitioner hadbeen educated with left hand manipulation while studying dentistry. One of the 7 private practioners preferredleft-handed chair for his clinic. Regarding left-handed participants working with right-sided chair, 4 of themthought this situation depresses their treatment quality and 9 of them refused. Most of the left-handedparticipants complaint about the university education. Conclusions: Left-handed orthodontists afford to adapt themselves to a right-handed world. They could to beeducated on left-handed dental chairs to display a more skillful clinical performance.