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• The branch of dentistry dealing with diseases of the gums and other structures around the teeth

WordNet Word definitions in WordNet
n. the branch of dentistry dealing with diseases of the gums and other structures around the teeth [syn: periodontia ]

Wiktionary Word definitions in Wiktionary
n. (context dentistry English) The study of supporting structures of teeth—gums, alveolar bone, cementum, and the periodontal ligament—and diseases and conditions that affect them.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1948, from periodontia (1914; see periodontal ) + -ics . Periodontic (adj.) is attested by 1889.