statement of problem: currently there are three recognized theories about the diameter of prepared dowel space in endodontically treated teeth. diameter of the dowel is commonly contributed to the root fracture. purpose: this study used a 3 dimensional (3d) finite element method to predict stress distribution in endodontically treated central maxillary tooth with cast post and core with various...

Joint lockup due to dowel misalignment significantly affects joint and concrete pavement performance by causing distresses. The current paper presents an experimental study assess the effectiveness of standard pull-out test in evaluation effect on Jointed Plain Concrete Pavement (JPCP). tests were conducted at two different ages ; 3 28 days. results showed that or individually pulling misaligne...

Abstract The full-heavy tetraquarks $$cc{\bar{c}}{\bar{b}}$$ c ¯ b and $$bb{\bar{b}}{\bar{c}}$$ are systematically investigated within a quark model. meson–meson structure, diquark–antidiquark structure K-structure considered in...