Grinding and gnashing the teeth. Bruxism is due to clenching of the teeth other than in chewing and is associated with forceful lateral or protrusive jaw movements. This results in grinding or rubbing the teeth together. Bruxism usually occurs during sleep. It is sometimes done to such an excess that it damages the occlusal surfaces of the teeth, particularly the molar teeth, and may contribute to the temporomandibular joint (TMJ) syndrome. The word "bruxism" comes from the Greek "brychein" meaning "to grind or gnash the opposing rows of upper and lower molar teeth."
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A clenching of the teeth, associated with forceful lateral or protrusive jaw movements, resulting in rubbing, gritting, or grinding together of the teeth, usually during sleep; sometimes a pathologic condition. [G. brucho, to grind the teeth]

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brux·ism 'brək-.siz-əm n the habit of unconsciously gritting or grinding the teeth esp. in situations of stress or during sleep

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a habit in which an individual grinds his teeth, which may lead to excessive wear. This usually occurs during sleep.

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brux·ism (brukґsiz-əm) [Gr. brychein to gnash the teeth] involuntary, nonfunctional, rhythmic or spasmodic gnashing, grinding, and clenching of teeth (not including chewing movements of the mandible), usually during sleep, sometimes leading to occlusal trauma. Causes may be related to repressed aggression, emotional tension, anger, fear, and frustration. See also bruxomania and clenching.

Medical dictionary. 2011.

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Look at other dictionaries:

  • bruxism — bruxísm s.n. Automatism masticator prin mişcări bruşte, repetate, în cursul somnului; bricomanie. (după fr. bruxomanie) Trimis de Anonim, 13.09.2007. Sursa: MDN …   Dicționar Român

  • bruxism — grinding the teeth unconsciously, from Gk. ebryxa, aorist root of brykein to gnash the teeth …   Etymology dictionary

  • bruxism — [bruk′siz΄əm] n. [< Gr ebryxa, aorist root of brykein, to gnash the teeth + ISM] the habit of unconsciously grinding one s teeth, usually while asleep …   English World dictionary

  • Bruxism — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 29661 ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = 001413 eMedicineSubj = eMedicineTopic = MeshID = Bruxism (from the Greek βρυγμός (brugmós), gnashing of teeth ) is the grinding of the teeth,… …   Wikipedia

  • bruxism — noun Etymology: irregular from Greek brychein to gnash the teeth + English ism Date: 1932 the habit of unconsciously gritting or grinding the teeth especially in situations of stress or during sleep …   New Collegiate Dictionary

  • bruxism — /bruk siz euhm/, n. Pathol. See teeth grinding. [1935 40; < Gk *bryx(is) a gnashing of teeth (brýk(ein) to gnash, bite + sis SIS) + ISM] * * * …   Universalium

  • bruxism — noun /ˈbɹʌk.sɪz.əm/ The habit or practice of grinding of the teeth, as while sleeping, or due to stress or certain drugs. See Also: bruxomania …   Wiktionary

  • bruxism — n. compulsive grinding of the teeth (particularly during sleep) …   English contemporary dictionary

  • bruxism — [ brʌksɪz(ə)m] noun Medicine involuntary habitual grinding of the teeth, typically during sleep. Origin 1930s: from Gk brukhein gnash the teeth + ism …   English new terms dictionary

  • bruxism — brux·ism …   English syllables

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