periodontal
adjective medical specialized uk/ˌper.i.əʊˈdɒn.təl/ us/ˌper.i.oʊˈdɑːn.t̬əl/
牙周的;影响牙周组织的
relating to the gums (= the pink flesh in the mouth in which the teeth are fixed) and other tissues around the teeth
Periodontal disease is a bacterial infection of the gums and teeth. 牙周病是牙龈和牙齿出现的细菌感染。
The periodontal ligaments attach to the tooth for stability. 牙周韧带附着在牙齿上以保持牙齿稳定。