Assertion: cementum's structure | /r/CapableOf | hold teeth
Facets:
value: in position
type: OTHER
Source sentences:
text: If left untreated, gingivitis will progress to periodontitis, a gradual destruction of the structures that hold teeth in position These structures are gingiva, bone, periodontal ligament and cementum , a bonelike substance covering the root of a tooth.