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Abstract
Composite bonding to teeth structure can be influenced using laser irradiation by increasing penetration depth of bonding adhesive forming modified hybrid layer. The effect of 940 nm diode laser on shear bond strength of self-etch adhesive to dentin has not been studied extensively in literature.
Aim: Aim of this study is to evaluate in vitro the effect of diode laser irradiation on shear bond strength of 7th generation self-etch adhesive system to human dentin.
Methodology: Ten therapeutically extracted non-carious, unrestored human premolars were collected (n = 10). The buccal and lingual surfaces of the teeth were ground with the help of a diamond disc under continuous water coolant until dentin was exposed. The specimens were divided in to two groups (05/ group). In group A (without laser), 7th generation dentin bonding adhesive (Beauti Bond) was applied on both buccal and lingual surfaces of specimens and light cured. In group B (with laser), 7th generation dentin bonding adhesive (Beauti Bond) was applied on both buccal and lingual surfaces followed by laser irradiation before light curing. After respective treatment for both the groups, composite build up was done in rectangular cylinder form. Shear bond strength was measured using Instron universal testing machine at cross head speed 0.5 mm/min.
Result: Level of significance was set at p value < 0.05. According to the results, it was found that the mean shear bond strength value in group with laser (11.56+0.27) was higher than the group without laser (6.25+0.47), but difference was statistically not significant.
Conclusion: Based on the results and within the limitation of this study, it may be concluded that irradiation with 940 nm diode laser after self-etch adhesive application can increase the bond strength of composite to dentin.
Keywords:
diode laser, self-etch adhesive, Beauti Bond, shear bond strength, human premolars
Cite Article:
"The Effects Of Diode Laser Irradiation On Shear Bond Strength Of 7th Generation Self-Etch Adhesive System To Human Dentin–An In Vitro Study", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.9, Issue 7, page no.317 - 321, July-2024, Available :http://www.ijrti.org/papers/IJRTI2407035.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator