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الحشوات الراتنجية الزهريه الهجينه

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 Publication date 2015
  fields Dentistry
and research's language is العربية
 Created by Shamra Editor




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Bob Winter. on April 16,2013
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The aim of this study was to compare microleakage of resin-based sealant Helioseal F with or without bonding agent. Fifty-six sound human maxillary first premolar teeth were collected which were extracted for orthodontic purpose, then the teeth we re randomly divided into two main equal groups; group (1) and group (2), the first group was treated with Tetric N Bond bonding agent, whiles the second group without.
The filling material bonding to the wall of the root canal is so important with regard to decreasing the apical microscopic leakage. The aim of this study is to assess the ability of new resin root canal filling materiales (Resilon) in bonding to th e canal internal wall, bond strength, and to determined the nature of bond failure, and compare this with two kinds of traditional root canal filling materials.
Etching by phosphoric acid is considered an important factor to achieve resin bonding to Primary enamel. Bond strength was significantly higher in the third group (etching for 35sec) than the other groups (etching for (15), (25), or (45)sec). The re were no significant differences in bond strength between etch durations: (15), (25), or (45) sec.
For children, it is very important to reduce the treatment time, thus the aim of this study is to determine the shortest yet the most effective application time for resin infiltrant Icon to achieve complete penetration into proximal caries lesions, and to evaluate its ability to infiltrate.
Debonding of acrylic denture teeth from denture base is the most common failure in removable dentures . The purpose of this study was to evaluate shear bond strength between acrylic denture teeth and heat cure denture base resin with different surface treatment and modifications on the ridge lap area By Using Conventional Method and Blasting Method.

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