Farklı posterior kompozit rezin materyallerin mikrosertlik özelliklerinin değerlendirilmesi

SÖNMEZ, ŞAROĞLU; Işıl;, Işıl;; EKİCİ, Aylin;; Seda, Seda

doi:10.1501/dishek_0000000064

Cited by 2 publications

(2 citation statements)

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“…In the measurement of the bond strength of the materials to the dental tissues, shear bond resistance test is one of the in vitro mechanical test methods [12]. In the comparison of the adhesive materials of the current study, the shear bond resistance test was selected as a reliable and practical method [13]. The success of the restoration depends on the strength of the adhesive and tooth interface.…”

Section: Discussionmentioning

confidence: 99%

“…To be able to evaluate the long-term efficacy of the adhesive, short-term efficacy must first be defined [14]. Previous studies have reported that the thermal cycle had no effect on the initial shear bond strength of adhesive restorations [13]. Therefore, in the current study, theremal cycle was not applied in the evaluation of the dentin initial shear bond strength.…”

Section: Discussionmentioning

confidence: 99%

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The Effect of Ozone Gas on Dentin Shear Bond Strength

Yavuz¹

2015

Int J Oral Craniofac Sci

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The aim of this study was to investigate the effect of ozone used as cavity disinfectant on dentin bond strength of resin-based restorative material. Material and Method:The study included 36 adult 3rd molar teeth removed for surgical reasons. Each tooth was set in a cylindrical mould 2cm in diameter and 3cm high with the dentin surface parallel to the occlusal level and the roots remaining inside, with the help of autopolymerising acrylic. To obtain a standard smear layer, the teeth were filed. The teeth were randomly separated into 4 groups of 9. Ozone gas was applied to the dentin surfaces for 6 seconds (Prozone W&H, Bürmoos, Austria); Group 1 (single Bond Universal, Z250), Group 2 (ozone + single Bond Universal, Z250), Group 3 (Futurabond M, Grandio) Group 4 (Ozone + Futurabond M, Grandio). A 2mm resin layer was applied and polymerised with an LED light source for 20 secs (Light Emitting Diode-Elipar Freelight, 3M ESPE, Germany). The samples were applied with shear force of 1mm/min to breaking point. Results:No statistically significant difference was determined between the shear bond strength values of all the groups (p>0.05). No statistically significant difference was determined between the shear bond strength values in the paired comparison of the groups (p>0.05). Adhesive type fractures were determined in the majority of all the groups. Conclusion:The results of this study showed that ozone used for the purpose of disinfection had no negative effect on dentin shear bond strength.The aim of this in vitro study was to evaluate the effect of ozone gas on shear bond strength in self-etch adhesive systems. Material and MethodsThe study included 36 adult 3rd molar teeth removed for various reasons. Soft tissue remnants were cleaned from the teeth and left in +4˚C distilled water. Each tooth was set in a cylindrical mould 2cm in diameter and 3cm high with the roots remaining inside with the help of autopolymerising acrylic. To obtain smooth dentin surfaces in the crown, enamel tissue was removed with a diamond burr under water cooling so as to be parallel to the occlusal surface. The exposed dentin surface was then filed in a single direction for 30 seconds under water using 200, 400 then 600 density abrasion strips. Following the abrasion process, a standard smear layer was obtained.The teeth were randomly separated into 4 groups of 9. Ozone gas produced from a Prozone device (W&H, Bürmoos, Austria) was applied to the dentin surfaces with a corona tip in disinfectant mode for 6 seconds from a distance of 1mm. The following materials prepared in accordance with the manufacturer's recommendations were applied to the samples in each group (n=9): Group 1 (single Bond Universal, Z250), Group 2 (Ozone + Single Bond Universal, Z250), Group 3 (Futurabond M, Grandio) Group 4 (Ozone + Futurabond M, Grandio) (Table 1). A 2mm resin layer was applied and polymerized with an LED light source for 20 secs (Light Emitting Diode-Elipar Freelight, 3M ESPE, Germany). After preparation of the samples, they were incubated for 24 ho...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

The Effect of Ozone Gas on Dentin Shear Bond Strength

Yavuz¹

2015

Int J Oral Craniofac Sci

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Cam karbomer simanın fiziksel ve mekanik özelliklerinin in vitro koşullar altında değerlendirilmesi

Tatlı¹,

Özer²

2018

Turkish Journal of Clinics and Laboratory

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Aim: To evaluate the microtensile bond strength (μTBS) and microhardness of glass carbomer cement in comparison to conventional glass ionomer cement and compomer. Material and Methods: The bonding strength test involved 60, second deciduous molar teeth. The dentine bonding strength of the restorative materials was evaluated by a μTBS test. Failure modes were determined by light microscopy. Plexi-glass molds of 5 × 2 mm (diameter × depth) were used for Vickers' microhardness analysis. Seventy-five samples were evaluated, considering twenty-five samples for each material. The data were statistically analyzed by the Kruskal-Wallis test, at p≤0.05. Results: There was no significant difference between the μTBS of the glass carbomer (2.0 MPa) and glass ionomer (1.7 MPa) (p>0.05). However, the μTBSof the compomer (9.4 MPa) was higher than the glass carbomer and glass ionomer (p<0.001). No significant difference was found among the three materials, regarding adhesive, cohesive and mixed failure modes (p>0.05). The compomer presented the highest microhardness value, followed by the glass ionomer and finally, the glass carbomer (p<0.001). Conclusion: The glass carbomer cement showed a lower μTBSto the dentine than the compomer. Furthermore, the microhardness of the carbomer was lower than the compomer and glass ionomer.

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Farklı posterior kompozit rezin materyallerin mikrosertlik özelliklerinin değerlendirilmesi

Cited by 2 publications

References 0 publications

The Effect of Ozone Gas on Dentin Shear Bond Strength

The Effect of Ozone Gas on Dentin Shear Bond Strength

Cam karbomer simanın fiziksel ve mekanik özelliklerinin in vitro koşullar altında değerlendirilmesi

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