Usur (artificial abrasion, Latin: Usura) is a limited loss of substance that mostly occurs on the incisal edges of the teeth through "bad habits", e.g. B. professional holding of tools (nails, pins) or acids (pipetting) occurs; also known as pipe smokers or pipe smokers hole .
This article is about a health issue. It is not used for self-diagnosis and does not replace a diagnosis by a doctor. Please note the information on health issues !