gression

Displacement of a tooth backward. ... Origin: L. Grador, pp. Gressus, to walk, fr. Gradus, a step ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

gression

Type: Term Pronunciation: gres′shŭn Definitions: 1. Displacement of a tooth backward.
Found on http://www.medilexicon.com/medicaldictionary.php?t=38452
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