<![CDATA[Regressive changes of the teeth include a variety of alterations in the dental tissues, mechanical tear andwear of tooth is a consequence of both pathological and physiological means. Tooth surface loss can beclassified primarily as attrition, abrasion, abfraction and erosion. To assess the prevalence of attrition,abrasion, erosion and abfraction among patients visiting private college hospital in Chennai. Data of thepatients retrieved was from the dental records of the hospital. Patients with attrition, abrasion, erosionand abfraction were shortlisted. Total study sample, n=7300 patients. Data was tabulated in excel andstatistically analysed. From the statistical analysis, it was significant that the most prevalent type of toothwear was attrition(49.7%), followed by abrasion(48.3%), erosion(1%) and abfraction(0.97%) (chi squaretest- p-value= 0.000- significant). Within the limitations of this study, it showed that there was a significantprevalence of attrition followed by abrasion, erosion and abfraction with a male predilection, predominantlybetween the age group of 41-60 years, reported to private college hospital in Chennai.]]>
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