Background: Tooth wear is a common problem but most often left untreated. The present study was conducted to evaluate the factors responsible for dental erosion in school children. Materials & Methods: The present study was conducted in the department of Pedodontics. It comprised of 205 school children age ranged 5-14 years of both genders. Careful oral examination was done in all patients and O’Sullivan Index was used for recording dental erosion. Results: Out of 205 patients, boys were 115 and girls were 90. The reason for dental erosion was sweets in 104 patients, snacks in 35, lemon in 80 and sweets in 82 patients. Anterior teeth were involved in 170 cases and posterior teeth in 35 cases. The difference was significant (P< 0.05). Conclusion: Authors found that causative factors for dental erosion were sweets, lemon, cold drinks and snacks.
Key words: Dental erosion, Children, Posterior