periodontics
(dentistry) The study of supporting structures of teeth—gums, alveolar bone, cementum, and the periodontal ligament—and diseases and conditions that affect them.
plural of empty page
plural of Edgcumbe
(zoology) Shaped like an ascidian.
彼女は重度の歯周病の患者を何人も見て、歯肉、歯槽骨、セメント質、歯根膜といった歯を支える組織およびそれらに影響を与える疾患の治療と予防に専念するために歯周病学を専攻することを選んだ。
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