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Bladzijde 1 van 268 resultaten
Fracture Resistance of Teeth with Simulated Perforating Internal Resorption Cavities Repaired with Different Calcium Silicate-based Cements and Backfilling Materials.
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BACKGROUND
This study assessed the fracture resistance (FR) of teeth with simulated perforating internal resorption cavities repaired with different calcium silicate-based cements (CSCs) and backfilling materials.
METHODS
Ninety-six mandibular premolar teeth were used. Twelve of the teeth were
Push-out bond strength of three different calcium silicate-based root-end filling materials after ultrasonic retrograde cavity preparation.
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OBJECTIVE
The aim of this study was to evaluate the bond strength of three calcium silicate-based root-end filling materials.
METHODS
The root canals of 30 single-rooted teeth were endodontically treated; their root ends were resected and root-end cavities were prepared using ultrasonic tip. The
Penetration of ions from silicate cement restorations into Copalite--covered cavity walls.
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This study aimed to asses the effect of silicate cement on Copalite -covered cavity walls in extracted human teeth. Class V cavities were prepared in 24 premolars and filled with silicate cement (Bio-Trey). Four cavities were unlined, the rest of the cavities were lined with 1 or 2 layers of
Adaptation of silicate and Adaptic to the margins of cavities. A scanning electron microscope study.
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The effects of etching of the enamel, on the adaptation of silicate and Adaptic to the cavity walls was examined with the scanning electron microscope. Replica methods were utilized to ensure that no shrinkage of the filling materials was caused by the vacuum in the instrument. It was shown that
[Epidemiologic studies. I. Secondary caries in tooth areas restored by silver-tin-amalgam, silicate cement or inlays].
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On the basis of epidemiologic studies on 10 106 sugjects from the population of the town of Rostock, the authors deal with the frequency of filled tooth areas and their affection by secondary caries with special regard to filling materials (silver-tin amalgam, silicate cement, inlay). The low
Effect of novel chelating agents on the push-out bond strength of calcium silicate cements to the simulated root-end cavities.
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To compare the effects of different chelating agents on the push-out bond strength of calcium silicate-based cements to the simulated root-end cavities. Root-end cavities were prepared on the roots of fifty extracted maxillary anterior teeth. The specimens were then randomly divided into 5 groups (n
Migration of aluminum silicate from the oral cavity to the submandibular region, with foreign body granuloma formation: report of a case.
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We present the first case of foreign body granuloma in the cervical (submandibular) region as a result of migration of noninjected aluminium silicate particles from the oral mucosa. This migration can be explained by macrophage phagocytosis and transport through the local lymphatic network and
Effect on caries of self-application of a zirconium silicate paste containing 9% stannous fluoride.
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A 2-year clinical trial was conducted using an adolescent population from a low-fluoride area to evaluate the anticaries effect of self-applications of zirconium silicate paste containing 9% stannous fluoride. tthree study groups totaling 464 children, with an initial average of 12.8 years,
Root caries: distribution and uptake of elements in lesions adjacent to silicate or amalgam restorations.
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In carious lesions adjacent to silicate or amalgam restorations outer lesions of the cementum showed the same content and distribution of Ca, P, Mg, and S as did primary lesions in this area, but differed from these in having an increased content of Zn, Al, and probably F (silicate cases) and Zn,
Physico-mechanical characteristics of tri-calcium silicate pastes as dentin substitute and interface analysis in class II cavities: effect of CaCl2 and SBF solutions.
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The influence of using simulated body fluid (SBF) as a curing medium on some characteristics of pure single tri-calcium silicate (C3S) bio-cement was investigated. CaCl2 salt solution was used as an accelerating liquid for setting and hardening of C3S pastes in
Fluoride release from varnish-coated silicates and from cavity liners and fissure sealants.
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Progress report concerning the current status of the self-application of the stannous fluoride-zirconium silicate preventive dentistry paste program for the mass control of dental caries.
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A clinical evaluation of the dental caries experience in children receiving a self-applied stannous fluoride-alkali aluminum silicate prophylactic paste during a twelve-month study period.
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[Influence of the depth of the cavity on marginal infiltration of NaI-131 radioisotope in dental restorations with silicate cement, zinc phosphate cement or chemically activated acrylic resin].
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[Influence of depth of the cavity preparation on the marginal infiltration of radioisotope (NaI-131) in dental restoration with silicate cement, zinc phosphate cement and chemically activated acrylic resin].
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