[PDF] Top 20 Clinical evaluation of the failure rate of metallic brackets bonded with orthodontic composites

... In the present clinical study, three bond failure were observed (Table 1) during the study ...evaluated the shear bond strength of this composite using different enamel ... See full document

... investigated the effect of the incorporation of an iodonium salt in experimental composites, on the bond strength of metallic brackets bonded to ... See full document

... purpose of this study was to evaluate the bond strength of metallic orthodontic brackets to feldspathic ceramic with different etching times, bonding materials and ... See full document

... for the infiltration of bacteria, liquids, molecules and ions through the cavity ...some clinical effects such as marginal discoloration, secondary caries, and dental sensitivity and finally ... See full document

... protect the enamel. However, it is not known if this addition can affect the shear bond strength (SBS) below clinically acceptable ...composite with or without TiO 2 was applied on bracket base; in ... See full document

... then the theorem is proved. Now let us consider a circle with centre at origin and radius ...Thus the equation of circle is x²+y²=r².The equation of the chord at ‘a’ ... See full document

... obtainment of correct results of the ...characteristic of good castability even in temperatures close to liquidus curve, what suggests implementation of low temperature of ... See full document

... study, the resinous material adhesion was found to be influenced by the type of fluoride ...Considering the benefits of the materials that release fluoride, the ... See full document

... Brazil), with the buccal face of parallel to the tube height, with the cementoenamel junction located 3 mm above the acrylic ...resin. The buccal face of all ... See full document

... Optimisation of the turbine mixer’s performance during the preparations of the sand mix still remains an important issue as this mixer type is now in widespread ...techniques of ... See full document

... during orthodontic treatment to obtain the dental move- ment are composed of materials with distinct physical in- tegrity, structural compositions and mechanical proper- ...in the oral ... See full document

... in the production of casting ...9]. The spectrum of rapid prototyping uses can be expanded by the application of the rapid tooling ...One of the RT ... See full document

... emphasize the central part among the other composition, the architect 'in the middle third of the main wall had arranged an extensive ...46p]. The building itself was ... See full document

... from the temperature of casting the bronze to the mould on Figure ...From the introduced cross - section of casts from the probe TDAg, it results that it together ... See full document

... by the Ethical Committee (CEP-12/06). As selection criteria, the teeth had to be intact and free from res- torations, caries, or root ...wear. The surfaces of each tooth were polished ... See full document

... to the water glass modified by the suspension of ZnO nanoparticles in propanol ...presents the changes of the contact angle value Θ in time, for the water glass modified ... See full document

... source of corrosion is generated by contact of the body of the bracket with the clip or spring designed to maintain the arch wire at th e slot’s ...damage ... See full document

... contains evaluation of influence of selected parameters on sensitivity of a numerical model of ...solidification. The investigated model is based on the heat conduction ... See full document

... during orthodontic treatment for aesthetic purposes or to anticipate the replacement of restorations after completion of the ...evaluate the effectiveness of tooth ... See full document

... systems of linear equations Ax = b, where A, b are known matrices and x is a vector of ...Systems of linear equations play a prominent role in economics, engineering, physics, chemistry, computer ... See full document