• synonyms


noun (used with a singular verb)
  1. the branch of dentistry dealing with the study and treatment of diseases of the periodontium.
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Also per·i·o·don·tia [per-ee-uh-don-shuh, -shee-uh] /ˌpɛr i əˈdɒn ʃə, -ʃi ə/.

Origin of periodontics

1945–50; < New Latin periodont(ia) (see peri-, -odont, -ia) + -ics
Related formsper·i·o·don·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for periodontics


  1. (functioning as singular) the branch of dentistry concerned with diseases affecting the tissues and structures that surround teethAlso called: periodontology
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Derived Formsperiodontic, adjectiveperiodontically, adverb

Word Origin for periodontics

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 periodontics


1948, from periodontia (1914; see periodontal) + -ics. Periodontic (adj.) is attested by 1889.

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Online Etymology Dictionary, © 2010 Douglas Harper

periodontics in Medicine


  1. The branch of dentistry concerned with the care and treatment of the tissues surrounding and supporting the teeth.periodontia
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Related formsper′i•o•dontic adj.per′i•o•dontist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

periodontics in Science


  1. The branch of dentistry that deals with the study and treatment of the tissues surrounding and supporting the teeth, especially the gums.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.