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Within the limitation of the present study, it can be concluded that the restoration design affected the failure load of ceramics.

Conclusion : Comparison of CAD/CAM manufactured implant-supported crowns

author: Elif Yein Mustafa Hayati Atala | publisher: drg. Andreas Tjandra, Sp. Perio, FISID

Conclusions

Within the limitation of the present study, it can be concluded that the restoration design affected the failure load of ceramics. Monolithic design had a statistically significant effect on the failure load of two different ceramics (LDS > ZLS). Veneer application had opposite effects on two different ceramics which increased the failure load of ZLS and reduced it for LDS without a statistically significant difference. Nevertheless, both materials are suitable for implant-supported crown as the failure loads of whole crown restorations were higher than posterior occlusal loads. Different restorative materials did not influence the stress distribution, but monolithic restorations reduced the stress concentration on the implant and bone.

Availability of data and materials

All data generated or analyzed during this study are included in this published article.

Abbreviations

CAD/CAM:

Computer-aided design/computer-aided manufacturing

LDS:

Lithium disilicate

ZLS:

Zirconia-reinforced lithium silicate

FEA:

Finite element analysis

Pmax:

Tensile strength

Pmin:

Compressive strength

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Share: Posted 2020-11-08 02:09:34
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