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Nail biting is an oral habit of biting one's fingernails, which can be a sign of anxiety, stress or other disorders. It can lead to infections, dental problems, social stigma and low self-esteem. Learn about the signs, symptoms, related disorders and treatment options for nail biting.
Dermatophagia is a type of pica that involves gnawing or biting one's own skin, usually at the fingers, nails, or mouth. It can be a symptom of OCD, autism, or other conditions, and it can cause infections, bleeding, and discoloration.
Morsicatio buccarum is a condition of chronic cheek biting or chewing that causes irritation or injury to the inside of the mouth. Glassblowing is one of the possible causes of this condition, along with stress, poor dental alignment, or psychological disorders.
Stereotypic movement disorder is a motor disorder with onset in childhood involving restrictive and/or repetitive, nonfunctional motor behavior. It is not due to a substance, autism, or another medical condition, and it may interfere with normal activities or result in bodily injury.
Biting the fingers and lips is a definitive feature of Lesch–Nyhan syndrome; in other syndromes associated with self-injury, the behaviors usually consist of head banging and nonspecific self-mutilation, but not biting of the cheeks, lips and fingers. Lesch–Nyhan syndrome ought to be clearly considered only when self-injurious behavior ...
Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's teeth shift out ...
Temporomandibular joint dysfunction (TMD) is a term for pain and dysfunction of the jaw muscles and joints. It can be caused by various factors, such as trauma, inflammation, disc displacement, or neoplasia, and has no single definition or treatment.
Onychophagia, or nail biting, is a pretty common habit, affecting an estimated 20 to 30 percent of the population. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...