نتایج جستجو برای: rounded shoulder
تعداد نتایج: 34567 فیلتر نتایج به سال:
BACKGROUND Musculoskeletal disorders are common problems among dentists. These conditions may lead to inappropriate postures and impairment in physical and psychological function. On the other hand, poor postures and inappropriate ergonomic may result in a wide variety of musculoskeletal disorders. OBJECTIVES The aim of this study was to investigate the prevalence of common postural disorders...
The present study evaluated the marginal and internal adaptation of single-tooth zirconium dioxide (ZrO2) ceramic copings or crowns with three different finish line designs. Twenty-four steel dies were prepared for maxillary central incisor crowns with the following finish line designs: shoulder (S), rounded shoulder (RS), and chamfer (C) preparations. Twenty-four standardized ZrO2 ceramic copi...
We focus on two important classes of lattices, the well-rounded and cyclic. show that every lattice in plane is similar to a cyclic lattice, use this parameterization count planar similarity defined over fixed number field with respect height. then investigate properties irreducible root lattices arbitrary dimensions, particular classifying those are simple cyclic, i.e. generated by rotation sh...
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