The metal-ceramic restoration: the problem remain.
D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003116:Color; D003722:Dental Alloys; D001840:Dental Bonding; D003776:Dental Porcelain; D008669:Metallurgy; D013314:Stress, Mechanical; D013499:Surface Properties; D013816:Thermodynamics
D003722:Dental Alloys; D003776:Dental Porcelain