say it: per-ee-uh-DAHN-tuhl
periodontal is an adjective meaning "of or relating to or involving or practicing periodontics". It is pronounced /ˌpɛɹiəˈdɑntəl/ — per-ee-uh-DAHN-tuhl. It carries one recorded sense.
Definitions, synonyms and semantic relations for periodontal come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.