الفهرس 
The effect of two impression techniques on the fit of screw retained implant frameworks
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Abstract
Aim of the study: this is an in vitro study To compare two types of impression techniques the primary splinted impression technique and the non splinted technique to evaluate which type produces a more passive metal framework for framework for fixed screw retained prosthesis . Conclusion: Under the limitations of the present study, the splinted impression technique yielded statistically significant more accurate working casts than the non-splinted technique especially for the lower arch