retrusion

retrusion

[ri-troo-zhuhn, -shuhn]
noun Dentistry.
1.
the act of moving a tooth backward.
2.
a condition characterized by the backward displacement of a tooth or teeth.

Origin:
1650–60; < Latin retrūs(us) removed, concealed (past participle of retrūdere; see retrude) + -ion

retrusive [ri-troo-siv] , adjective
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American Heritage
Medical Dictionary

retrusion re·tru·sion (rĭ-trōō'zhən)
n.
Retraction from any given point, especially the backward movement of the mandible.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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