Assertion: crown | /r/MadeOf | combination
Facets:
value: usually
type: DEGREE
Source sentences:
text: Crowns can be made from porcelain (a dental ceramic), metal or a combination called porcelain-fused-to-metal.
text: A crown is usually made of porcelain, metal (like gold or stainless steel) or a combination of the two.
text: Crowns can be made from porcelain (a dental ceramic), metal or a combination called porcelain-fused-to-metal.