RESEARCH AND EDUCATION In vitro evaluation of the marginal integrity of CAD/CAM interim crowns Kwang Yong Kelvin Khng, BDS, MS,a Ronald L. Ettinger, BDS, MDS, DDSc,b Steven R. Armstrong, DDS, PhD,c Terry Lindquist, DDS, MS,d David G. Gratton, DDS, … How to use integrity in a sentence. Thus, in vitro evaluations of this response may contribute to predict the clinical behavior of composite restorative materials 13 . It can be concluded that the addition of SPE to HP improves the marginal integrity … Always expects integrity … Marginal: Occasionally fails to meet expectations. Purpose: The aim of the present study was to examine the marginal integrity of a composite veneer, Artglass, in comparison to a ceramic veneer, IPS Empress, by using two different luting agents. Methods: Cavity preparations of 5 mm width and 1.5 mm depth were machined into dentin disks by means of a computer controlled milling system. RBC-restored specimens exhibited significantly smaller mean marginal gaps (1.70 μm, 7.56 μm) than RMGI-restored specimens (5.24 μm, 14.24 μm) in enamel and dentin margins, respectively. The study also aimed to evaluate the effect of grit blasting on marginal integrity of IPS Empress ceramic veneers. The morphology, marginal integrity, and materials' integrity were examined. The biggest drawbacks of composite materials are polymerization shrinkage and thermal expansion greater than the expansion of the tooth. Obtaining marginal integrity during filling cavities with composite materials determines tooth tissues protection against microleakage [1, 2, 20]. The aim of this in vitro study was to evaluate the marginal integrity of an alkasite restoration in comparison to that of a conventional composite resin restoration following intra-coronal bleaching with 30% hydrogen peroxide (HP) containing sweet potato extract (SPE) as an additive. Marginal integrity is one of the most crucial aspects involved in the clinical longevity of resin composite restorations 14 . PURPOSE: The aim of the present study was to examine the marginal integrity of a composite veneer, Artglass, in comparison to a ceramic veneer, IPS Empress, by using two different luting agents. Integrity definition is - firm adherence to a code of especially moral or artistic values : incorruptibility. An improved marginal integrity was seen with the alkasite material. Does not rank integrity particularly high on his list of priorities. Access cavities were prepared in 60 extracted human incisors. Lets expedience trump integrity. Rationalizes her less-than-meritorious behaviors. Subgroups A and C showed lesser marginal gaps under both the restorative materials. Purpose: To evaluate the effect of bacterial exposure on the marginal integrity of dentin-resin interfaces for composites with and without bioactive glass (BAG). 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