Dental erosion has been reported with varying prevalence in the population. The term dental erosion describes the processes that do not involve bacteria. Dental erosion can have intrinsic and extrinsic causes. Intrinsic causes include vomiting, rumination, regurgitation, gastro oseophageal reflux. Extrinsic causes include acidic foods such as citrus fruits and acidic beverages. The presence of erosive lesions warrants the evaluation of a proper case history to note and know the specific reason, so that further damage can be halted. It is essential that etiology of erosion can be identified earliest as the clinical management of the patient is based on management of etiological factors.

Key words Tooth wear, Erosion, Gastrooesophagical reflux, Vomiting