الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Purpose: This study aimed to compare between two different construction techniques (conventional and 3D printed)of two implant assisted complete mandibular overdenture regarding occlusion using digital occlusion analysis system (Occlusense). Methods: Six patients were selected for this study from the prosthetic department, Faculty of Dentistry, Mansoura University .All patients received mandibular implant assisted overdentures with two fabrication techniques conventional overdenture (group I) and 3d printed overdenture(group II) .Ball and socket attachments were used to retain the mandibular overdentures to the underlying implant fixtures. Conventional and 3D printed mandibular overdentures were compared and evaluated after 3 months regarding occlusion using occlusesnse. Results: There was significant difference in evenness of occlusal force distribution between both groups over time from T0 to T3 with more even occlusal force distribution in (group II) than in (group I). Conclusion: Within the limitation of this study, it was shown that implant overdentures constructed by 3d printing technique offer a promising results compared to conventionally constructed implant overdentures regarding occlusal force distribution. Key words: