Willi Glas Crowns eliminate the "blue gums" phenomenon.
Maier
H J
HJ
D002516:Ceramics; D003442:Crowns; D003776:Dental Porcelain; D003779:Denture Design; D005882:Gingival Diseases / Q000517:prevention & control*; D005898:Glass; D006801:Humans; D010859:Pigmentation Disorders / Q000517:prevention & control*
C047475:Dicor ceramic; D003776:Dental Porcelain