1. The state of being thrust forward or projected. 2. In dentistry, a position of the mandible forward from centric relation. [L. protrusio]
- bimaxillary p. the excessive forward projection of both the maxilla and the mandible in relation to the cranial base. SYN: double p..
- bimaxillary dentoalveolar p. the positioning of the entire dentition forward with respect to the facial profile.
- double p. SYN: bimaxillary p..

* * *

pro·tru·sion prō-'trü-zhən n
1) the quality or state of protruding <the \protrusion of a jaw>
2) something (as an anatomical part) that protrudes

* * *

1. forward movement of the lower jaw.
2. a malocclusion in which some of the teeth are further forward than usual. Compare retrusion.

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pro·tru·sion (pro-trooґzhən) [L. protrudere to push forward] 1. extension beyond the usual limits, or above a plane surface. 2. the state of being thrust forward or laterally, as in masticatory movements of the mandible; see also subentries under projection.

Medical dictionary. 2011.

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  • protrusión — f. anat. patol. Desplazamiento de un órgano hacia delante a causa de un aumento del propio volumen o por una causa posterior que lo empuja. Medical Dictionary. 2011. protrusión …   Diccionario médico

  • protrusion — 1640s, from Fr. protrusion, noun of action from L. protrudere (see PROTRUDE (Cf. protrude)) …   Etymology dictionary

  • Protrusion — Pro*tru sion, n. 1. The act of protruding or thrusting forward, or beyond the usual limit. [1913 Webster] 2. The state of being protruded, or thrust forward. [1913 Webster] …   The Collaborative International Dictionary of English

  • Protrusion — (von lat. protrusio „Vorschieben, Fortstoßen“) steht für die Bandscheibenprotrusion, eine degenerative Veränderung der Zwischenwirbelscheiben die Protrusio acetabuli, eine Vorwölbung von Hüftpfanne und kopf in das kleine Becken die Protrusio… …   Deutsch Wikipedia

  • protrusion — protrusion. См. ответвление. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • protrusión — protrusión. f. Acción y efecto de protruir. * * * ► femenino Desplazamiento de un órgano o estructura hacia adelante …   Enciclopedia Universal

  • protrusion — *projection, protuberance, bulge …   New Dictionary of Synonyms

  • protrusión — f. Acción y efecto de protruir …   Diccionario de la lengua española

  • protrusion — [prō tro͞o′zhən, prətro͞o′zhən] n. [< L protrusus (see PROTRUSILE) + ION] 1. a protruding or being protruded 2. a protruding part or thing SYN. PROJECTION …   English World dictionary

  • Protrusion — Une protrusion est une position avancée ou mouvement vers l avant d un organe. Réflexe de protrusion : Réflexe présent lors des premiers mois de la vie du nourrisson, basé sur des mouvements de langue qui induisent le recrachement des… …   Wikipédia en Français

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