Influence of finish line design on marginal adaptation of electroformed metal-ceramic crowns

The Effect of Milling Metal Versus Milling Wax on Implant Framework Retention and Adaptation

“…However, internal adaptation is a prerequisite to achieve passivity of fit . Another factor that affects treatment success is the marginal fit of the restoration . Marginal adaptation is affected by several factors such as the prosthesis type, impression accuracy, restoration fabrication method, and accuracy of the laboratory procedure .…”

Influence of Tooth Preparation Design on Fitting Accuracy of CAD‐CAM Based Restorations

“…Also, it was easy to maintain the standardization of resin copings and improved fitting accuracy can be acquired by using this method. Shiratsuchi et al found 23.96 to 25.72 μm for metal–ceramic crowns on chamfer finish line and Bottino et al found lower marginal gap values in chamfer finish line for metal crowns. These results seem to be in agreement with this study.…”

“…[17][18][19][20] In addition to the evaluation of marginal fit, the effect of the type of margin configuration on the marginal adaptation of frameworks also requires examination. 21 Some in-vitro studies have shown that margin configuration of metal and zirconia frameworks are influencing the marginal fit of restorations. 4,[18][19][20][21][22][23][24] Contrary to these findings, some studies have also shown that the margin configurations have no significant effect on the marginal fit of ceramic crowns.…”

“…21 Some in-vitro studies have shown that margin configuration of metal and zirconia frameworks are influencing the marginal fit of restorations. 4,[18][19][20][21][22][23][24] Contrary to these findings, some studies have also shown that the margin configurations have no significant effect on the marginal fit of ceramic crowns. 25 The purpose of this study was to evaluate the marginal fit of metal and zirconia frameworks fabricated on different finish line configurations by measuring the marginal gap between the framework and master die.…”

The clinical potential and limits of the all-ceramic fixed partial denture restorations

“…33,41 Some authors indicated that, in order to fabricated an all-ceramic FPDs, a material would be required with fracture toughness 3 MPa/m ½ and flexural strength in excess of 300 MPa. 15 Shiratsuchi et al 42 indicated that marginal adaptation is one of the most important elements for long-term clinical success of restorations, because poor marginal adaptation increases the potential for micro leakage and plaque retention, which in turn raises the risk of recurrent caries and periodontal disease. Marginal discrepancies in the range of 100 mm have been reported to be clinically acceptable with regard to longevity of a restoration.…”