Assertion: metal crown | /r/ObjectUse | used on molar
Facets:
value: typically
type: DEGREE
value: usually
type: TEMPORAL
Source sentences:
text: Metal crowns cannot be color matched to teeth and are usually used on molars.
text: Metal crowns are typically used on out-of-sight back molars; all-porcelain crowns are typically placed on front teeth; and porcelain-fused-to-metal crowns can be used on front or back teeth.