Covalent adaptable networks as dental restorative resins: Stress relaxation by addition–fragmentation chain transfer in allyl sulfide-containing resins
نویسندگان
چکیده
منابع مشابه
Color of dental restorative resins.
The color of 7 composite resins, an unfilled restorative resin, and 3 glaze coatings was determined by reflection spectrophotometry and visually with Munsell color tabs. Statistically significant correlations existed between comparable parameters of the spectrophotometric and Munsell data. There was observable color variations among the 11 resins studied, but only 3 materials were within the ra...
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Cytotoxicity testing of dental restorative materials must be viewed as an assessment of hazards, that is the potential of the material to cause pulpal problems. In this context, composites, glass ionomers, amalgams, zinc-based cements and peroxide bleaching agents are all possible hazards to the pulp. The risks that these materials will cause pulpal toxicity in vivo can be partly estimated by a...
متن کاملColor Stability of Restorative Resins
The color stability of seven commercial composite resins, an unfilled resin, and three glazes was studied under conditions of accelerated aging by reflection spectrophotometry and visually with Munsell color tabs. After aging for 900 hours, most of the resins had lower values of luminous reflectance and excitation purity and higher values of dominant wavelength and contrast ratio compared to va...
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wachsenden Konzentrationen an B U d R bzw. BU steigen in beiden Fällen die Ausbeuten um den gleichen Betrag an. Be im B U wurden organische Peroxide nachgewiesen, die in saurem Medium eine Zeitlang stabil waren und sich zur Isodialursäure ( I D S ) umwandel ten 2 . D ie bei der BUdR-Radio lyse in neutralem M e d i u m intermediär nachzuweisenden Perox ide sind anderer Natur. Aus ihnen wird kein...
متن کاملPolymerization shrinkage of dental composite resins.
Aesthetic materials have always been a priority for the restoration of anterior teeth; increasingly, they have also gained prominence in the restoration of posterior teeth. This has been due to their advantages as an alternative to amalgam. Their drawbacks however, can include poor marginal adaptation, postoperative sensitivity and cuspal movement. These are particularly associated with the pol...
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ژورنال
عنوان ژورنال: Dental Materials
سال: 2010
ISSN: 0109-5641
DOI: 10.1016/j.dental.2010.06.007