periodontium


peri·odon·tium

noun \ˌper-ē-ō-ˈdän-ch(ē-)əm\
plural peri·odon·tia \-ch(ē-)ə\

Definition of PERIODONTIUM

: the supporting structures of the teeth including the cementum, the periodontal ligament, the bone of the alveolar process, and the gums

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