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  • Title: Shear Bond Strength of Glass Ionomer Cement to Er, Cr:YSGG Laser-irradiated Dentin in Primary Teeth: An In Vitro Study.
    Author: Chikkanarasaiah N, P H.
    Journal: Int J Clin Pediatr Dent; 2022; 15(2):199-203. PubMed ID: 37457206.
    Abstract:
    BACKGROUND: The clinical success of restorative materials depends upon a good adhesion with the dentinal surface to resist various dislodging forces acting within the oral cavity. Shear bond strength is the resistance to forces that slides restorative material past tooth structure. The Er, Cr:YSGG pulsed laser irradiation may be used to prepare enamel, dentin, cementum, and bone effectively and cleanly without leaving a smear layer. AIM: To compare the shear bond strength of GIC to dentin treated with conventional cavity conditioning and laser irradiation methods. METHODOLOGY: Thirty samples of noncarious human primary molars which get exfoliated either due to physiologic reasons or extracted due to any therapeutic reasons were collected for the study. Occlusal enamel was removed and teeth were then embedded in self-cured acrylic mold. All the prepared specimens were disinfected with Chloramine T solution and stored in distilled water for 24 hours at room temperature and teeth were randomly divided into the following groups; group 1: conventional cavity conditioning and type IX GIC restoration, group 2: Er, Cr:YSGG conditioning and type IX GIC restoration. Specimens were then subjected to thermocycling and shear bond strength was evaluated using the Lloyd testing machine. STATISTICAL ANALYSIS: One-way ANOVA test followed by Tukey's HSD post hoc analysis was used to compare mean shear bond strength between two study groups. The level of significance [p-value] were set at p < 0.05. RESULT: Conditioning the dentin surface with Er, Cr:YSGG laser can increase the shear bond strength of glass ionomer restoration than conventional cavity conditioning. HOW TO CITE THIS ARTICLE: Chikkanarasaiah N, P H. Shear Bond Strength of Glass Ionomer Cement to Er, Cr:YSGG Laser-irradiated Dentin in Primary Teeth: An In Vitro Study. Int J Clin Pediatr Dent 2022;15(2):199-203.
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