noun (used with a singular verb)
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. 2019
(functioning as singular) the branch of dentistry concerned with diseases affecting the tissues and structures that surround teethAlso called: periodontology
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
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 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.