نتایج جستجو برای: shear bond strength test
تعداد نتایج: 1109635 فیلتر نتایج به سال:
Background and Aim: dentin desensitizers may affect dentin organic matrix properties or occlude dentinal tubules which may have adverse effects on the bonding performance of adhesive systems. The aim of this study was invitro evaluation of Gluma desensitizer and Tokuyama Shield Plus effects or shear bond strength of (BISCO) all-bond universal bonding system. Materials and Methods: 30 caries f...
BACKGROUND This in vitro study is intended to compare the shear bond strength of recent self-etching primers to superficial, intermediate, and deep dentin levels. MATERIALS AND METHODS All teeth were sectioned at various levels and grouped randomly into two experimental groups and two control groups having three subgroups. The experimental groups consisted of two different dentin bonding syst...
ARTICLE INFO Abstract Article History: Received 2 August 2015 Accepted 2 November 2015 Statement of Problem: There is no enough published data about the shear bond strength of resin modified glass ionomer adhesives on caries-affected primary tooth dentin excavated using minimally invasive systems. Objectives: To evaluate the shear bond strength of 2 different adhesives (one resin modified glass...
objective: considering the use of triple antibiotic paste (tap) for root canal treatment of open apex teeth, this study aimed to assess the effect of tap and calcium hydroxide (ch) on bond strength of composite to dentin. methods: this in-vitro study was conducted on 32 extracted human premolar teeth. after disinfection with 2% thymol solution, the enamel on the buccal surface of specimens wa...
BACKGROUND Debonding of brackets commonly occurs during orthodontic treatment. Due to increase in costs replacement of a damaged bracket is not liked by the dentist. This study is done to assess the shear bond strength of recycled brackets using different methods. MATERIALS AND METHODS This study was conducted using five groups of orthodontic brackets (0.022" × 0.028", MBT prescription) bonde...
the purpose of this study was to evaluate the effect of er:yag laser on the shear bond strength of resin modified glass ionomer (rmgi) to enamel.twenty extracted caries-free human premolars were selected. the teeth were embedded in acrylic resin. the buccal surfaces of each sample were ground to plane enamel with carbonated disc. the teeth were randomly divided in two groups. in the first group...
Abstract: The purpose of this study is to produce scarf joint through explosive welding process (EXW). The scarf weld is a process in which the final bond interface is oblique. With applying the explosive welding technique, this joint can create a metallic bond between similar or dissimilar metals. In this study, chamfered end of aluminum and copper plates were joined explosively and named scar...
Introduction: Nowadays resin cements are commonly used in operative dentistry but the strength of micro- shear bonds of these cements was different in various studies. The aim of this study was to compare the micro-shear bond strength of three resin cements with different mechanisms consisting of maxcem, variolink II and panavia F2.0 to bovine tooth dentin. Methods: Thirty nine longitudinal sl...
Resin-bonded fixed partial dentures (F.P.D) can be used for conservative treatment of partially edentulous patients. There are numerous studies regarding the strength of resin composite bond to base meta! alloys. Shear bond strength of three resin systems were invistigated. In this study these systems consisted of: Panavia Ex, Mirage FLC and Marathon V. Thirty base metal specimens were prepared...
AIM To test the solubility of dual cure resin modified resin cement in a food simulating solution and the shear bond strength compared to conventional Glass ionomer cement. MATERIALS AND METHOD The materials tested were self-adhesive dual cure resin modified cement and Glass Ionomer (GIC). Twenty Teflon moulds were divided into two groups of tens. The first group was injected and packed with ...
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