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Year : 2019  |  Volume : 10  |  Issue : 2  |  Page : 338-343

Influence of diode laser on the bond strength of self-etching adhesive systems to human dentin: An in vitro study

Department of Conservative Dentistry, Mallareddy Dental College for Women, Hyderabad, Telangana, India

Correspondence Address:
Dr. Nimeshika Ramachandruni
Department of Conservative Dentistry, Mallareddy Dental College for Women, Hyderabad, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ccd.ccd_589_18

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Introduction: The treatment of dental tissues before adhesive restorative procedures is an important step in the bonding protocol and determines the clinical success of restorations. Aim: The aim of this study is to evaluate in vitro the influence of diode laser on the shear bond strength of one- and two-step self-etch (SE) adhesives to dentin when the laser is applied over the adhesives before photopolymerization. Methodology: About 20 freshly extracted noncarious intact maxillary premolars were collected, and the buccal and lingual surfaces of the tooth were ground with the help of diamond disk under water coolant till dentin was exposed. The specimens were divided into two groups of 10 each. Buccal surfaces of all the specimens were exposed to diode laser before light curing (test/experimental group) act as control group. In Group I, Clearfil SE with laser was used on the buccal surface, whereas in Group II, G-bond SE adhesive with laser was used on the buccal surface. Shear bond test was measured using an universal testing machine and the values were obtained in megapascals (MPa). Results: P < 0.05 was considered statistically significant. According to the results, it was found that the mean bond strength values of the laser-treated groups were significantly higher than groups not treated with laser. Conclusion: Within the limitations of this study, it can be concluded that mean bond strength Clearfil SE with and without laser was significantly higher than G-bond with and without laser values.

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