periodontics
英 [,perɪə'dɒntɪks]
- n. [口腔] 牙周病学（等于periodontia）
英英释意
- 1. the branch of dentistry dealing with diseases of the gums and other structures around the teeth
英文词源
- periodontics (n.)
- 1948, from periodontia (1914; see periodontal) + -ics. Periodontic (adj.) is attested by 1889.