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Malekzadeh M, Nosrati M, Maleki D. Assessment of Dental Student' Knowledge of Tooth Wear: Diagnosis, Prevalence and Treatment: A Randomized Questionnaire-based Cross-sectional Study. Journal title 2018; 7 (3) :123-128
URL: http://3dj.gums.ac.ir/article-1-324-fa.html

Introduction: A sizable increase in the outbreak of tooth attrition and especially dental erosion has been observed. Detection of tooth wear procedure, adequate prevention, and effective interference in the early stage will avoid the adverse effect on teeth performance and elegance. Thus, the current study aimed to determine the level of awareness of senior dental students (general dentists) on the prevalence, prevention, and treatment of tooth wear. 
Materials and Methods: Materials and Methods: In this cross-sectional descriptive study, 122 senior students of dental school in Rasht, Bandar-e Anzali, Pardis, Iran, were examined through census method in 2016. The data collection tools were construction questionnaire consists of 25 questions which their validity and reliability have been approved. The obtained data were entered into SPSS V. 21 and descriptive statistics, mean, standard deviation and inferential statistics, independent t-test at the significant level of P<0.05 was used to analyze the data.
Results: The results of the present study showed that the majority of students had moderate awareness level. Test results showed that the students had authentic awareness only in three areas of the facet occlusion (P=0.001), in the early signs of tooth wear (P<0.001), and in occlusal loading (P=0.014). 
Conclusion: The results of this study showed that students had average information about prevalence, prevention, and treatment of various tooth wear stages. In this regard, it seems necessary to pay attention to teaching and learning content related to tooth wear.