Assertion: cementum | /r/HasProperty | a layer of connective tissue
Facets:
value: below the gumline
type: LOCATION
Source sentences:
text: Cementum: A layer of connective tissue that binds the roots of the teeth firmly to the gums and jawbone.
text: Cementum is the layer of connective tissue below the gumline covering the root of a human tooth.