June 5, 2023 Reading time ~ 5 min Number of reads: 11853
Metal-ceramic crowns are considered one of the most durable restorations. They consist of 2 layers: a metal base and a ceramic veneer. The metal perfectly withstands even high chewing loads, while the ceramic gives the structure a natural look.
Unfortunately, ceramics are not as strong as dental alloys, and chipping of the top layer in crowns occasionally occurs.
Causes:
Violation of fabrication technology; Improper (overvalued) occlusion; Change in bite; Strong mechanical impact; Indications for repairRepair of a chipped crown is only possible if the problem is located in the ceramic layer. In these cases, restoration is possible even with large fragments. But if the metal part is affected, it is impossible to restore the old structure, it can only be replaced.
Therefore, dentists urge to treat dentures with care, their replacem…