الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
Purpose: The aim of this study was to evaluate the effect of secondarily splinting implant analogues with resin prior to impression pouring on the passive fit of screw-retained frameworks using single screw test.
Materials and methods: The sample of this study consisted of ten patients; All patients were completely edentulous, free of systemic diseases and with adequate interarch distance. The patients received four implants in each arch. Two impression pouring techniques were obtained. Technique 1: master casts generated from non-splinted coping impression technique and the impressions were poured directly without splinting the implant analogues. Technique 2: master casts generated from non-splinted coping impression technique, while implant analogues were splinted with autoploymerized acrylic resin before pouring. Single screw test was used to evaluate the passivity.
Results: The result showed greater passivity value for secondary splinting impression pouring technique with statistically significant difference when compared with non-splinting impression pouring technique (P = 0.012).
Conclusions: Implant frameworks constructed from secondary splinted technique demonstrate statistical significant passive fit when compared to frameworks constructed from non-splinted technique. Secondary splinting of implant analogues prior to pouring was easy and reliable method to obtain accurate master casts, and non-splinted technique should always be verified to assess accuracy before constructing the framework.