Prevalence of teeth loss among patients of partial prosthetic department in dental faculty of tabriz from 1380 to 1390

Abstract

Edentulous is common impairment in human societies and prevalence of it shows health status of the population. The aim of this study was to determine prevalence of partial edentulismamong patients to use the results in public health promotion and disease prevention programs. Materials & Methods: This descriptive-cross sectional study was conducted ondossiers of 471 patients that referred to removable prosthodontic department in dental faculty of Tabriz from 1380 to 1390. The general informations of patiens about age, gender and history of dental examinations were collectedin a questionnaire. Data were analyzed using descriptive and analytic statistics methods in SPSS20 software. The Chi-square test wasused for comparisons tooth loss in maxilla and mandible, and among male and female subjects. In this study p-values less than 0.05 were considered significant. Results: The mean age of the study population was 45 years, and there were 277 (58.8%) females. Prevalence of tooth loss in maxilla and mandible was more in women than men. A total of 3146 teeth were extracted. The type of tooth that most frequently extracted in mandible were first molar (15.5%) , second molars (13.6%) and third molars (12.9%), and in maxilla werefirst molar (8.1%), third molars (6.9%) and second premolars (6.6%) respectively. Conclusions: Prevalence of tooth loss was more in mandible than maxilla and among women more than men. First molar had most frequent tooth loss either maxilla or mandible.