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[per-ee-uh-don-tiks] /ˌpɛr i əˈdɒn tɪks/
noun, (used with a singular verb)
the branch of dentistry dealing with the study and treatment of diseases of the periodontium.
Also, periodontia
[per-ee-uh-don-shuh, -shee-uh] /ˌpɛr i əˈdɒn ʃə, -ʃi ə/ (Show IPA)
Origin of periodontics
1945-50; < New Latin periodont(ia) (see peri-, -odont, -ia) + -ics
Related forms
periodontic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for periodontics


(functioning as sing) the branch of dentistry concerned with diseases affecting the tissues and structures that surround teeth Also called periodontology
Derived Forms
periodontic, adjective
periodontically, adverb
Word Origin
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
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Word Origin and History for periodontics

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

Online Etymology Dictionary, © 2010 Douglas Harper
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periodontics in Medicine

periodontics per·i·o·don·tics (pěr'ē-ə-dŏn'tĭks)
The branch of dentistry concerned with the care and treatment of the tissues surrounding and supporting the teeth. Also called periodontia.

per'i·o·don'tic or per'i·o·don'ti·cal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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periodontics in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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