[per-ee-uh-don-shuh m, -shee-uh m]
- the bone, connective tissue, and gum surrounding and supporting a tooth.
Origin of periodontium
- the branch of dentistry dealing with the study and treatment of diseases of the periodontium.
Also per·i·o·don·tia [per-ee-uh-don-shuh, -shee-uh] /ˌpɛr i əˈdɒn ʃə, -ʃi ə/.
Origin of periodontics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (functioning as singular) the branch of dentistry concerned with diseases affecting the tissues and structures that surround teethAlso called: periodontology
C19: from peri- + -odontics, from Greek odōn tooth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for periodontia
1828; see periodontal.
Online Etymology Dictionary, © 2010 Douglas Harper
- The branch of dentistry concerned with the care and treatment of the tissues surrounding and supporting the teeth.periodontia
- 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.
- The branch of dentistry that deals with the study and treatment of the tissues surrounding and supporting the teeth, especially the gums.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.