نتایج جستجو برای: resin composite
تعداد نتایج: 146929 فیلتر نتایج به سال:
OBJECTIVE To investigate the reinforcing effect of short E-glass fibre fillers on fracture related mechanical properties of dental composite resin with a semi-interpenetrating polymer network (IPN) polymer matrix. METHODS Experimental short fibre composite (FC) resin was prepared by mixing 22.5 wt% of short E-glass fibres, 22.5 wt% of IPN-resin and 55 wt% of silane treated silica fillers usin...
Introduction Recurrent or secondary caries develops at the margin of restorations and causes restorative failure. We conducted this study to compare the performance of Phosphor Storage Plate (PSP) and Cone Beam Computed Tomography (CBCT) scan in detecting buccal recurrent caries under amalgam and composite resin restorations. Materials and Methods Class V cavities were prepared on the buccal...
background: the clinical success of sandwich technique depends on the strength of resin-modified glass ionomer cement (rmgic) bonding to both dentin and resin composite. therefore, the shear bond strength (sbs) of resin composite bonded to rmgic utilizing different resin adhesives versus a gic-based adhesive was compared. materials and methods: in this in vitro study, 84 holes (5×2 mm) were pre...
The purpose of this in vitro study was to compare the microleakage of occlusal resin composite and three glass ionomer/ resin composite techniques. Class I occlusal preparations were initiated on forty molar teeth. Teeth were randomly assigned to four groups of ten. Groups were restored as follow: 1) Solo Plus / Point 4 resin composite, 2) Fuji IX/ Fuji Bond LC/ Point 4, 3) Fuji IX/ Experimenta...
Background and purpose: Deep fissures of occlusal surface in recently erupted first permanent molars are prone to accumulation of bacterial plaque. Sealing these fissures by appropriate flowing materials, as pit and fissure sealants, is a conservative way to prevent caries. The purpose of this study was to compare retention of flowable composite resin by resin modified glass ionomer sealant in ...
PURPOSE The objective of this study was to investigate the effect of surface treatments on microtensile bond strengths (MTBSs) of two types of indirect resin composites bonded to a conventional direct resin composite. MATERIALS AND METHODS Indirect resin composite blocks of Ceramage and SR Nexco were prepared in a plastic mold having a dimension of 10 × 10 × 4 mm. These composite blocks were ...
While traditional shade guides have been developed to facilitate shade selection for various restorative procedures, these tools are often fabricated according to the properties of porcelain materials rather than composite resin options. Contemporary composite resin restorations are often fabricated using incorrect guides that can compromise the final result. This article describes a predictabl...
To evaluate and compare the solubility and sorption of orthodontic bonding cements after immersion in different solutions, five different cements were used: a fluoride-containing resin composite, a light-cured glass ionomer cement, a light-cured resin composite, a paste-paste chemically cured resin composite, and a liquid-paste chemically cured resin composite. Five different solutions were emp...
OBJECTIVE The aim of this study was to compare the shear bond strength (SBS) of resin modified glass ionomer (RMGI) and composite resin for bonding metal and ceramic brackets. MATERIALS AND METHODS Eighty-eight human premolars extracted for orthodontic purposes were divided into 4 groups (n=22). In groups 1 and 2, 22 metal and ceramic brackets were bonded using composite resin (Transbond XT),...
Factors contributing to the incompatibility between new adhesive systems and various composite resin restorations Dr. F. Maleknejad* - Dr. H. Moosavi** *- Associate Professor of Operative Dentistry Dept. - Faculty of Dentistry – Mashhad University of Medical Sciences. **- Assistant Professor of Operative Dentistry Dept. - Faculty of Dentistry – Mashhad University of Medical Sciences. ...
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