Medical dictionary. 2011.
mandibular retraction — 1. drawing back or retracting the mandible, accomplished by contraction of the middle and posterior parts of the temporal muscles and the suprahyoid muscle. the condition of the mandible in which it lies posterior to the orbital plane. Cf.… … Medical dictionary
protraction — In dentistry, the extension of teeth or other maxillary or mandibular structures into a position anterior to normal. [see protractor] mandibular p. a type of facial … Medical dictionary
Masseter muscle — Masseter Muscles of the head and neck … Wikipedia
Cranial kinesis — is the term for significant movement of skull bones relative to each other in addition to movement at the joint between the upper and lower jaw. It is usually taken to mean relative movement between the upper jaw and the braincase[1]. Most… … Wikipedia
