Assertion: acellular cementum | /r/HasProperty | deposited over the apex of the root
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Acellular-afibrillar cementum: without any cementoblasts or collagen fibers; overlies the enamel; covers parts of the dental crown Acellular-fibrillar cementum: without cementoblasts but with collagen fibers; directly overlies the dentin; is spread over the entire root Cellular-fibrillar cementum: with cementoblasts and collagen fibrils; often only deposited over the apex of the root