Assertion: cementum's process | /r/HasProperty | involved removing enamel
Facets:
value: in grooves of a tooth
type: LOCATION
value: in the deep fissures
type: LOCATION
Source sentences:
text: In the past, the process of placing dental sealants involved removing enamel in the deep fissures and grooves of a tooth, followed by replacing it with a restorative material.