protrusion

(redirected from maxillary protrusion)
Also found in: Dictionary, Thesaurus.

protrusion

 [pro-troo´zhun]
extension beyond the usual limits, or above a plane surface.

pro·tru·sion

(prō-trū'zhŭn),
1. The state of being thrust forward or projected.
2. In dentistry, a position of the mandible forward from centric relation.
[L. protrusio]

herniated disk

Herniated intervertebral disk, herniated nucleus pulposus, prolapsed intervertebral disk, slipped disk Neurology The herniation of an intervertebral disk, most commonly, lumbar; the term herniation in this context describes a spectrum of disk defects
Herniation disk types, used for MRI exams
Bulge–circumferential symmetric extension of the disk beyond interspace
Protrusion–focal or asymmetric extension of the disk beyond interspace
Extrusion–more extreme extension of the disk beyond interspace Note: Bulges and protrusions on MRI examination are common findings in normal subjects, and appear to be coincidental findings–NEJM 1994; 331:69oa  

pro·tru·sion

(prō-trū'zhŭn)
1. The state of being thrust forward or projected.
2. dentistry A position of the mandible forward from centric relation.
[L. protrusio]

pro·tru·sion

(prō-trū'zhŭn)
1. In dentistry, position of mandible forward from centric relation.
2. The state of being thrust forward or projected.
[L. protrusio]
References in periodicals archive ?
Upon patient extra-oral profile n represent the number of patients examination, a class II skeletal relation presented in 78% of patients, showing maxillary protrusion and/or mandibular retrognatia with more than 4mm profile convexity.
In our study, all patients selected suffered had bi- maxillary protrusion and associated increased verti- cal dimensions.