[PDF] Top 20 Residual stresses in the porcelain veneer layer of all-ceramic restorations

... indentation stresses 33 ...cementation layer, margin area or occlusal surface (see table ...study, all fracture origins were found at the site of load application, and stresses at these sites ... See full document

... veneering ceramic and zirconia core leads to the development of residual ...veneering ceramic, a gradient of stress appears in the ceramic at glass transition temperature (Tg), and the ... See full document

... the ceramic and zirconia structures, the development of flaws and defects at the core/veneer interface, as well as wetting properties and volumetric shrinkage of the veneer may affect the zirconia ... See full document

... The porcelain to laser sintered Co-Cr alloy when compared to cast Ni-Cr and Co-Cr alloys revealed no significant difference in bond ...of porcelain to metal (Sadeq ...and porcelain which improved the ... See full document

... veneering porcelain from underlying ceramic substrates has been reported for all- ceramic ...veneering porcelain or can be the result of the use of the weak veneer ...opaque ... See full document

... monolithic all-ceramic materials to simply remove the most common failing layer of the system and to avoid inherent residual thermal stresses in bilayered all-ceramic ... See full document

... and porcelain and to reduce the fracture risks under shear loadings, beryl- lium is added to the base-metal ...oxide layer and even- tually reduce the bond strength between metal and ...generated ... See full document

... group. Veneer fracture occurred more frequently in the SC specimens (n=7) under lower levels of ...group, ceramic veneer chipping occurred in only two specimens prior to core ...greater veneer ... See full document

... Considering that the interaction effect of the substructure and the cement on the final color of the restoration was found to be significant (P<0.001), Tukey’s test was applied for pairwise comparisons (Table 3). As ... See full document

... Bonded porcelain veneers have a number of significant advantages over metal-ceramic and all-ceramic crowns ...Most all-ceramic restorations require ...conventional ... See full document

... of veneer in the R direction are the major reasons for the reduced ACE of veneer-rein- forced ...glue layer, which contributes to the reduction in ACE especially when the Q -1 of the glue ... See full document

... of residual stress in butt welding of two AISI 304 stainless steel plates using a finite element based commercially available software, coupled thermal-mechanical three dimensional finite element model was ... See full document

... Congenitally missing lateral incisor presents a challenging treatment dilemma for the clinician as they are usually associated with malocclusion and other abnormalities. The esthetic and restorative application of dental ... See full document

... This is another acid- base reaction cement. Zinc oxide eugenol (ZOE) is a provisional luting cement. ZOE is commonly dispensed as two pastes and equal parts of the pastes are mixed until uniform in colour. Exposure to ... See full document

... The PSZ groups were considered the control groups. The research study design included two clinically relevant thickness (1.2 and 0.7 mm). Sorrentino et al used an in vitro research study in which monolithic zirconia ... See full document

... Various residual stress measurement methods have been used to evaluate the residual stresses in the rails, but according to the rail manufacturing standard, residual stresses in the ... See full document

... in all interfaces and also, the presence of porosity in structure was overlooked and at last, no thermal resistance was implemented in the cohesive contact of ... See full document

... sheet-type ceramic heater on the residual stress, deformation and compressive behavior of non-stiffened welded box ...sheet-type ceramic heater was able to control the required tem- perature history ... See full document

... The mean taper in this study was found to be 44.1˚ fa- ciolingually, 35.8˚ mesiodistally with an average taper of 39.98˚. These values were higher than what was recom- mended as acceptable in the literature (4˚ - 14˚) ... See full document

... the residual stresses with cyclic operational stresses, the entire stress cycle would ideally remain in the compressive region, resulting in retardation of crack ...compressive residual ... See full document