The meshing impact on transmission system and internal gear pair its the load sharing dynamic characteristics of are not well understood yet. In this paper, models pairs planetary were successfully constructed, point, time force accurately obtained. Meshing in is obviously affected by eccentricity error, installation other errors. Due to difference error each component, external gears branch le...

Oral rehabilitation of endodontically treated roots is inherently difficult, and the functional loads result in extremely complex structural responses of the oral tissues. The objective of this study was to evaluate, by finite element analysis, stresses induced in an endodontically treated maxillary central incisor that was restored with a cast metallic post and core system and a overlying cera...

PURPOSE The purposes of this study are to determine if there is a difference in the papilla fill between implant and teeth comparing immediate provisionalized and delayed single tooth implant restorations, and to determine the relationships between the vertical and horizontal bone levels to papilla filling the inter-dental region with single implant restorations. PATIENTS AND METHODS Two grou...