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Nail biting, also known as onychophagy or onychophagia, is an oral compulsive habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking.
Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Paronychia aka "swollen nail" may be divided as occurring suddenly, acute, or gradually, chronic. Acute. Acute paronychia is an infection of the folds of tissue surrounding the nail of a finger or, less commonly, a toe, lasting less than six weeks.
Cognitive behavioral therapy was cited as experimental evidence based therapy to treat trichotillomania and nail biting; a systematic review found best evidence for habit reversal training and decoupling. Another form of treatment that focuses on mindfulness, stimuli and rewards has proven effective in some people.
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. [1] It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.
In the active skeletal growth, mouthbreathing, finger sucking, thumb sucking, pacifier sucking, onychophagia (nail biting), dermatophagia, pen biting, pencil biting, abnormal posture, deglutition disorders and other habits greatly influence the development of the face and dental arches.
A nail is a protective plate characteristically found at the tip of the digits ( fingers and toes) of all primates, corresponding to the claws in other tetrapod animals. Fingernails and toenails are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves and horns of vertebrates.
Onychoschizia, also known as nail splitting and brittle nails, is a splitting of the free-edged tip of the nail. There is also often a longitudinal split in addition to the separation of keratin layers.
Decoupling for body-focused repetitive behaviors. Decoupling [1] is a behavioral self-help intervention for body-focused and related behaviors ( DSM-5) such as trichotillomania, onychophagia ( nail biting ), skin picking and lip-cheek biting. The user is instructed to modify the original dysfunctional behavioral path by performing a counter ...
Specialty. Dermatology. Periungual warts are warts that cluster around the fingernail or toenail. They appear as thickened, fissured cauliflower-like skin around the nail plate. Periungual warts often cause loss of the cuticle and paronychia. Nail biting increases susceptibility to these warts.