WebJan 1, 2003 · The Young’s modulus of dentin as a function of orientation of the tubules as calculated from the elastic constants of Lees and Rollins (1972). There was a pronounced hexagonal (transverse isotropic) anisotropy in the Young’s modulus, a result that was forced by a priori assumptions of the symmetry. The Young’s modulus was greatest in … WebApr 1, 2024 · This material exhibit an elastic modulus near 20 GPa (Plotino et al., 2007) while dentin elastic modulus range from 10 to 30 GPa, according to its composition and tubules orientation (Kinney et al., 2003). Even though clinical trials (Ferrari et al., 2000a, Ferrari et al., 2000b, Grandini et al., 2005b) have already demonstrated that the use of ...
Biomineralization-inspired sandwich dentin desensitization …
WebNov 8, 2016 · The hardness of the resin-dentin interdiffusion zone was significantly lower than that of unaltered dentin. A gradient of moduli of elasticity was observed from the rather stiff dentin over a more elastic resin-dentin interdiffusion zone and adhesive resin layer to the restorative composite. WebThe purpose of this study was to compare the nano-hardness and elastic modulus among deciduous and permanent dentin, buccal and lingual sides, incisal, center and cervical areas, and outer, middle and inner layers. Three premolars and three deciduous canines were bucco lingually (BL) sectioned, and … blyth footballer
Effect of non-vital tooth bleaching photoactivated with blue or …
WebInvestigations into teeth mechanical properties provide insight into physiological functions and pathological changes. This study sought to 1) quantify the spatial distribution of … Weblesions in dentin from permanent teeth were exposed to colloidal hydroxyapatite and - tricalcium phosphate for 10 days. The micromechanical properties of these tissues were evaluated by nano-indentation. The elastic modulus of human carious dentin improved after samples were immersed in colloidal -tricalcium phosphate. The mineral density of ... WebThe Elastic Properties of Dentin The elastic properties of dentin are of paramount importance in all discussions of tooth strength. The elastic constants, usually defined in terms of a stiffness (Cij) or compliance (Sij) matrix, include the Young's modulus, shear … blyth free press