Self-harm behavior, defined as repetitive and deliberate attempts of harm to self-body without suicidal intentions and resulting in tissue damage, is classified in the text revision of Diagnostic and Statistical Manual of Mental Disorders fourth edition (DSM-IV-TR) under the sections of impulse-control disorder not otherwise specified and stereotypic movement disorder which falls under the category of disorders usually first diagnosed in infancy, childhood or adolescence. For DSM-V, a separate classification with the title of non-suicidal self-harm has been recommended and defined separately as personal history of self-harm under the section of other circumstances of personal history under the main category of other conditions that may be a focus of clinical attention. The most encountered form of self-harm behavior starting mostly in adolescence is harming by self-cutting and mostly legs and arms are chosen. Such behavior is generally accompanied with personality disorder, depression, substance abuse. In this article, a case of cutting, a common form of self harm behavior that involves one of the rare parts of the body, oral mucosa is discussed.
Key words: Cutting oral mucosa, impulse control disorder, self-harm
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