EVRE 3-4 PERİODONTİTİSLİ HASTALARDA ALT 1. MOLAR DİŞLERİN KÖK MORFOLOJİSİ İLE PERİODONTİTİS YIKIM DÜZEYİ VE YIKIM HIZI ARASINDAKİ İLİŞKİNİN DEĞERLENDİRİLMESİ
Durmaz, Murat Haktan
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Objective: Tooth root morphology and dimensions are considered as local risk factors for periodontal disease. The aim of this study is to evaluate the effect of root morphology, especially root width, on periodontitis destruction rate and destruction level. Materials and Methods: In our study, panoramic radiographs and cone beam computed tomography of patients who applied to Hacettepe University Faculty of Dentistry Department of Periodontology were examined. In addition, the clinical examination information available in the archive of some of these patients was also evaluated. Panoramic radiographs and clinical examination data of a group of patients without periodontitis were evaluated as a control group. While creating the research report, 95% confidence interval was used for the significance level. Results: A total of 108 individuals were included in the study. While 47.2% of the participants were women, 52.8% were men. The average age of the participants was determined as 40.27. The mean amount of destruction (radiographic bone loss, RCC) of all participants was 4.02 mm, the mean rate of destruction (RCC/Age) was 0.98, and the mean level of destruction (percentage of bone loss, RCC/CC) was 28.45. When the root morphology measurements are examined, the root length (M) is 14.32, the root length (D) is 13.88, the root stem length is 4.20, the root width average (K) is 3.62, the root width average ( It was determined that O) had a mean of 2.92, and mean of root width (A) had a mean of 2.21. All root width mean measurements showed a statistically significant negative correlation with RCC, RCC/Age, RCC/CI. Root stem lengths and RCC, RCC/Age, RCC/KU showed a statistically significant negative correlation. When we compared teeth 36 and 37, the mean RCC, RCC/Age, RCC/KU mean of teeth 36 were found to be statistically significantly higher. When the root widths of these teeth were examined, the average of all root widths was found to be statistically significantly lower in teeth 36. When we compared the patient and control groups on panoramic radiography measurements, no significant difference was found. When panoramic radiography measurements and cone beam computed tomography measurements were compared, it was determined that there was a certain level of difference between them, but this difference was consistent in all measurements. In patients with different levels of destruction in their 36 and 46 teeth, a statistically significant negative correlation was observed between the level of destruction and the widths of the root at the middle third (-0.650) and coronal third level (-0.588). There was no correlation between root length and destruction level (-0.068). Findings of the research; Root width of less than 3,225 mm (specificity 0.848) in the middle third and less than 2,425 mm in the apical third (specificity 0.922) seem to be threshold values for disease degree and stage. Conclusion: The findings of this study; In patients with stage 3 and 4 periodontitis, the fact that the root width is low at the middle and apical third level is determinative in terms of the percentage of bone loss and the degree of periodontal disease.