Effect of cement spacer on fit accuracy and fracture strength of 3-unit and 4-unit zirconia frameworks
Noha Morsy,
Mona Mohamed Ghoneim,
Yomna Ibrahim
Abstract:Background
Cement spacer is essential for compensating deformation of zirconia restoration after sintering shrinkage, allowing proper seating and better fracture resistance of the restoration. Studies assessing the effect of cement spacer on fit accuracy and fracture strength of zirconia frameworks are missing in the literature. Therefore, the aim of this study was to evaluate the effect of different cement spacer settings on fit accuracy and fracture strength of 3-unit and 4-unit zirconia fram… Show more
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