الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Dental implants, nowadays, are a powerful treatment option that the professional clinician offers daily. One of the most serious and prevalent problems associated with the restorative aspect of dental implants is loosening and fracturing of screws. computer-aided design/compute-raided manufacturer technology for implant restorations is expanding and can be used to overcome waxing, casing, and finishing processes as well as the errors associated with them. This in vitro study was performed to show the effect of conical hybrid stock and CAD/CAM abutments on the strain developed around implant and screw loosening.