SHEAR BOND STRENGTH OF NANO COMPOSITES WITH 2 DENTIN BONDINGS AFTER TOOTH PREPARATION WITH BUR AND ER: YAG LASER

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VALIZADEH SARA; MIRZAEI MANSOUREH

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Journal: JOURNAL OF LASERS IN MEDICAL SCIENCES Year:2018 | Volume:9 | Issue:SUPPL A (9TH WORLD CONGRESS OF SOLA) Page(s): 60-60

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Title

SHEAR BOND STRENGTH OF NANO COMPOSITES WITH 2 DENTIN BONDINGS AFTER TOOTH PREPARATION WITH BUR AND ER: YAG LASER

Author(s)

VALIZADEH SARA | MIRZAEI MANSOUREH

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Abstract

Background: According to the increasing use of dental nano-composite resin in anterior and posterior restorations, increasing bond strength is considered an important aspect of restorations. The differences in structure and characteristics of dental bonding can affect their bond strength to dentin. Nowadays, laser because of many different advantages is considered as a promising technology. The goal of this study is the comparison of bond strength of different dentin bindings in teeth that are prepped with bur and laser.Methods: Forty-eight intact third molars were collected, and after disinfection, put in acrylic mold. Then their enamel grinding was done to reach smooth dentin surface. The teeth were divided into 4 groups. Dentin preparation was done by bur in groups 1 and 2, using Single Bond Universal and Adper Single Bond 2 in these groups respectively. In groups 3 and 4, dentin was prepared by Er: YAG laser and the same 2 adhesives were applied according to manufacturer’s instructions. Then bonding strength test was done after placement of nano dental composite to these dentin surfaces.Results: Mean of bond strength in group 1 to 4 was respectively: 16.33±4.53 MPa, 17.5±4.44 MPa, 10.42±1.97 MPa and 8.08 ± 2.74. In the laser groups, the bond strength was significantly lower than in the bur groups.Conclusion: Laser in dentin preparation has an adverse effect on underlying dentin and reduces bond strength. Two dentin bondings didn’t show different bond strength values.

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APA: Copy

VALIZADEH, SARA, & MIRZAEI, MANSOUREH. (2018). SHEAR BOND STRENGTH OF NANO COMPOSITES WITH 2 DENTIN BONDINGS AFTER TOOTH PREPARATION WITH BUR AND ER: YAG LASER. JOURNAL OF LASERS IN MEDICAL SCIENCES, 9(SUPPL A (9TH WORLD CONGRESS OF SOLA)), 60-60. SID. https://sid.ir/paper/326068/en

Vancouver: Copy

VALIZADEH SARA, MIRZAEI MANSOUREH. SHEAR BOND STRENGTH OF NANO COMPOSITES WITH 2 DENTIN BONDINGS AFTER TOOTH PREPARATION WITH BUR AND ER: YAG LASER. JOURNAL OF LASERS IN MEDICAL SCIENCES[Internet]. 2018;9(SUPPL A (9TH WORLD CONGRESS OF SOLA)):60-60. Available from: https://sid.ir/paper/326068/en

IEEE: Copy

SARA VALIZADEH, and MANSOUREH MIRZAEI, “SHEAR BOND STRENGTH OF NANO COMPOSITES WITH 2 DENTIN BONDINGS AFTER TOOTH PREPARATION WITH BUR AND ER: YAG LASER,” JOURNAL OF LASERS IN MEDICAL SCIENCES, vol. 9, no. SUPPL A (9TH WORLD CONGRESS OF SOLA), pp. 60–60, 2018, [Online]. Available: https://sid.ir/paper/326068/en

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