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Dennis Ouye, CDT
President at LDL Designs, Inc.
Dennis Ouye, CDT
President at LDL Designs, Inc.
This PFM restoration failed due to a lack of support for ceramic at the marginal ridge. Note the fracture at the lingual margin due to possible flexure in that area.
Dennis Ouye, CDT
President at LDL Designs, Inc.
Like metal, zirconia should be extended to the contact point of adjacent teeth to support the ceramic at the marginal ridges.
Dennis Ouye, CDT
President at LDL Designs, Inc.
The porcelain is supported by the zirconia rod at the contact point where occlusal forces are the greatest.
