title: The effect of repeated firings and strength on marginal distortion in two ceramometal systems.
abstract: 1. Segments of the margin with porcelain adjacent to them did not change more than those without porcelain. 2. The marginal opening in the specimen made from the higher strength metal increased more than those made from the lower strength metal.
mesh_terms: D003442:Crowns; D003722:Dental Alloys; D001840:Dental Bonding; D003776:Dental Porcelain; D003799:Dental Stress Analysis; D003779:Denture Design; D006047:Gold Alloys; D006358:Hot Temperature; D013499:Surface Properties
chemical_list: D003722:Dental Alloys; D006047:Gold Alloys; D003776:Dental Porcelain