Patent ID: 7192274
Filing Date: 2007-03-20
Classification: A61C

Abstract:
1. A ceramic orthodontic appliance comprising: a ceramic body having an elongated channel; and an archwire slot liner received in the channel, wherein the liner includes an occlusal section having a certain thickness, a lingual section having a certain thickness and a gingival section having a certain thickness, wherein the thickness of the lingual section is at least 250 percent of the thickness of at least one of the gingival section and the occlusal section, wherein each of the occlusal section, the lingual section and the gingival section is bonded directly to the ceramic body, wherein the liner is an assembly that comprises an outer elongated member having a generally overall “U”-shaped configuration in longitudinally transverse cross-sectional view, and wherein the assembly also includes an inner elongated member that is received in the outer member.