This study aimed to explore the difference of teeth hypersensitivity and attrition among young and elderly patients of bruxism in Lahore. Data of 80 participants was collected using convenient sampling technique for this crossectional study. Chi-square test was used to explore the difference teeth hypersensitivity and attrition among young and elderly patients of bruxism. The results of chi-square revealed a significant difference of teeth hypersensitivity among young and elderly patients with bruxism (X2= 13.653, P<.001). Among young patients with bruxism, 34% had teeth hypersensitivity as compared to the elderly patients with bruxism which were 66%. Age wise significant difference was also found among patients of bruxism in terms of attrition (X2= 30.0, P<.001). Tooth attrition was found in 12.5% young patients with bruxism whereas in elderly patients, 87.5% of the sample was having teeth attrition. In conclusion, the age wise difference of teeth attrition and teeth hypersensitivity among patients of bruxism was to be significantly different.