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Hatami M, Mirzaei M, Saeed N. Relationship between Tooth Loss and Physical Activity, Dietary Habits and Smoking in Residents of Yazd City (YaHS Study). JSSU 2021; 29 (1) :3389-3403
URL: http://jssu.ssu.ac.ir/article-1-5235-en.html

Introduction: Tooth loss is debilitating and affects the quality of life. This problem has multiple etiologies like microorganisms, physical activity, nutrition and smoking. The aim of this study was to determine the relationship between tooth loss and physical activity, dietary habits and smoking in adults of Yazd City.
Methods: This descriptive cross sectional study was conducted using the information of registration phase of the Yazd People's Health Study on 9966 residents in the age group of 20 to 70 years between 2014 and 2015. The data were obtained using standard questionnaires. Frequency and relationship between the variables were analyzed using SPSS 23 statistical software with descriptive and Chi-square statistical test.
Results: The data of 4949 (49.9%) men and 5017 (50.6%) women were analyzed in this study. 23.3% of population had lost 9 teeth and more. There was a statistically significant relationship between tooth loss and age, physical activity, dietary habits and smoking (P ≤ 0.0001). However, there was no statistically significant relationship between tooth loss and gender (P = 0.84).
Conclusion: Considering the limitations of this study, resulted that aging, poor dietary habits, lack of physical activity and smoking related with tooth loss, but there is no relationship with gender.