[per-ee-uh-don-shuh m, -shee-uh m]
- the bone, connective tissue, and gum surrounding and supporting a tooth.
Origin of periodontium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Word Origin and History for periodontium
1828; see periodontal.
Online Etymology Dictionary, © 2010 Douglas Harper
- The tissues that surround and support the teeth, including the gums, cementum, periodontal ligament, and alveolar and supporting bone.alveolodental membrane peridental membrane
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.