Assertion: cementum's matrix | /r/HasProperty | precementum
Facets:
Source sentences:
text: A layer of new matrix (precementum or cementoid) is deposited onto the external surface of the dentin by the surface root lining cells in a polar pattern.
text: A layer of new matrix (precementum or cementoid) is deposited onto the external surface of the dentin by the surface root lining cells in a polar pattern.