| 单词 | periodontias |
| 释义 | periodontal /per-i-ō-dontˈəl/adjective(relating to tissues or regions) around a tooth ORIGIN: peri- (1) and odous, odontos tooth periodonˈtia /-shi-ə/, periodonˈtics or periodontolˈogy noun The branch of dentistry concerned with periodontal diseases periodonˈtist noun periodontīˈtis noun The inflammation of the tissues surrounding the teeth |
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