Fracture resistance of cement-retained and screw-cement–retained milled posterior crowns with screw-access hole preparations before and after firing: An in vitro study
The Journal of Prosthetic Dentistry(2022)
摘要
The fracture strength of lithium disilicate crowns was not affected by a screw-access hole created during the blue state of the ceramic followed by repair with composite resin. Creating a screw-access hole after firing the ceramic reduced fracture strength.
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关键词
posterior crowns,fracture,cement-retained,screw-cement,screw-access
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