Assertion: crown | /r/MadeOf | porcelain
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Crowns are usually made from porcelain or a mix of porcelain and metal.
text: Crowns are usually made from porcelain or a mix of porcelain and metal.
text: Crowns can be made from porcelain (a dental ceramic), metal or a combination called porcelain-fused-to-metal.
text: Crowns can be made from porcelain (a dental ceramic), metal or a combination called porcelain-fused-to-metal.