[PDF] Top 20 Effect of different preventive agents on bracket shear bond strength: in vitro study

... during different step of orthodontic bracketing is still debatable due to its effect on SBS of orthodontic brackets ...in bond strength of orthodontic brackets in enamel treated either with ... See full document

... the effect of surface treatment on the shear bond strength of luting cement to a glass- infiltrated alumina ...The shear bond strength values were measured in a universal ... See full document

... invitro study, there is a highly significant difference was reported between metal ceramic groups (M1, M2 and M3) and zirconia ceramic groups (Zr1, Zr2 and ... See full document

... a bond strength of 6-8 MPa would be clinically ...in vitro bond strengths has been ...in vitro is clinically acceptable. It is known that bond strengths achieved in vitro ... See full document

... whitening agents on hard dental tissues are tooth sensitivity during bleaching is the most common side effect with the degree of sensitivity varying between ... See full document

... higher bond strength than that of acid etched porcelain surface (Lee, ...The bond with ceramics occurs via condensation reaction between the silanol group (Si–OH) of the ceramic surface and the ... See full document

... current study, 10,000 cycles were applied because this was the highest frequency of cyclic loading submitted during fatigue testing [9, ...present study, no significant differences were observed in either ... See full document

... encouragement and effort and without him this thesis too would not have been completed. I have been amazingly fortunate to have had the opportunity to study under his guidance. I also thank him in particular with ... See full document

... achieved shear bond strength values suitable for clinical ...a study in which also 10,000 cycles were applied, but with previous etch- ing using hydrofluoric ... See full document

... The bonding protocol following the manufacturer’s instructions was carried out. All 30 incisor facets were conditioned with 3 different procedures. Later silane coupling agent was applied to each conditioned ... See full document

... any effect on the shear bond strength of orthodontic bracket adhesives on the tooth ...the effect of bleaching so that efficient and successful orthodontic treatment outcomes are ... See full document

... J.J. LINDEN et al (1991) 13 determine the effects of porcelain opacity, chemical catalyst, and exposure time on polymerization of light- activated resin-composite cements. Samples of microfill and hybrid composites, with ... See full document

... Three conditions which are usually suggested for repair of metal ceramic restorations are: - Fracture in porcelain with no metal exposure, fracture with both porcelain and metal exposure and fracture with substantial ... See full document

... bond strength was tested through a custom made apparatus to direct the tension mostly to the metal- ceramic ...Although, different values of bond strength are expected with ... See full document

... These preventive agents could be applied after bonding the orthodontic brackets, but this may not be easy all the times especially where there are severely crowded or partially erupted ...these ... See full document

... the bond between the restoration and the ...primary effect of enamel etching is to increase the surface area and thereby change the surface substrate from a low energy hydrophobic surface to a high-energy ... See full document

... measure shear bond strength, the specimens were placed in between the jigs of the universal testing machine and a pointed shearing rod was placed on to the composite resin/glass ionomer interface and ... See full document

... this study. G2 and G4 showed 70% and 40%, respectively, bond failures located at the enamel- adhesive interface (ARI 0) and 30-50% were having mixed fractures (ARI ...these bracket bases but there ... See full document

... The effect of the residual oxygen layer is neutralized by sodium ascorbate by allowing free radical polymerization of resin base materials to proceed without premature termination by restoring the altered redox ... See full document

... present study, the treatment with CPP-ACP and the use of light-cure adhesive showed slightly inferior results as compared to the control group, but this differ- ence was ...slightly different from the ... See full document