Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
periodontic is an adjective meaning "of or relating to or involving or practicing periodontics". It carries one recorded sense.
Definitions, synonyms and semantic relations for periodontic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.