Effect of mechanical alteration of enamel surface on shear bond strength of different bonding techniques

Talan, Janvi; Gupta, Sachin; Nikhil, Vineeta; Jaiswal, Shikha

doi:10.4103/jcd.jcd_163_19

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…The teeth were sectioned mesiodistally with a diamond disc, held in a straight hand-piece, and observed under a stereomicroscope at 40X magnification for the depth of ML. According to the depth of dye penetration, it was scored as follows:[ 3 ] 0-Penetration up to coronal one-third, 1-Penetration up to middle one-third, and 2-Penetration up to apical one-third.…”

Section: Methodsmentioning

confidence: 99%

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Comparative analysis of bond strength and microleakage of newer generation bonding agents to enamel and dentin: An in vitro study

et al. 2020

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Aims: This study aims to evaluate the bond strength (BS) and microleakage (ML) of the newer bonding agents to enamel and dentin. Objective: (1) To analyze the BS between self-etch and total-etch adhesives. (2) To analyze the depth of ML between self-etch and total-etch adhesives. Materials and Methods: Sixty mandibular premolars were fabricated and randomly divided into three groups: Group I ( n = 20)-bonded with self-etch adhesive + nanohybrid, Group II ( n = 20) with total-etch adhesive + micro hybrid and Group III ( n = 20) with total-etch adhesive + nanocomposite. Teflon ring molds were used to make composite resin cylinders bonded to the buccal surface. Class II box cavity was prepared on the samples' proximal surface and condensed with composite resin with each group's specific bonding protocol. Shear BS and ML testing were conducted, and data analyzed. Statistical Analysis: Kruskal–Wallis analysis was done to statistically differentiate the BS and ML between the three experimental groups; the P < 0.05, it showed a statistically significant difference. Intergroup comparison was made using the Mann–Whitney U test. Conclusions: Within this study's limitation, resin bonded with self-etch G-Premio Bond used in selective etch technique showed the highest BS and resistance to ML.

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Section: Methodsmentioning

confidence: 99%

“…By combining hydrophilic and hydrophobic acid functional monomers, organic solvents, and water into a single-bottle solution, this method incorporates all the etching steps, priming, and bonding into one step, making it more user-friendly and less technique sensitive. [ 3 ]…”

Section: Introductionmentioning

confidence: 99%

Comparative analysis of bond strength and microleakage of newer generation bonding agents to enamel and dentin: An in vitro study

et al. 2020

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Estimation of the effect of acetone- or ethanol-based solvents on shear bond strength of composite resin using air- and blot-dry techniques

Jain,

Kunhappan,

Maheshwari

et al. 2024

Journal of Conservative Dentistry and Endodontics

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Background: An adequate amount of water is necessary to maintain the shape of collagen fibrils while excess water hampers dentin–resin bonding. Air-drying lacks control while blot-drying displaces water in a controlled manner. Solvents in adhesives affect the configuration of collagen fibrils. Thus, the present study aimed to compare the influence of air- or blot-drying methods on shear bond strength (SBS) of acetone- and ethanol-based adhesives. Materials and Methods: Thirty-six extracted noncarious third molars with similar crown heights were selected. Teeth were decoronated and randomly divided into two groups: after acid etching, Group I was treated with acetone-based adhesives and Group II with ethanol-based adhesives. They were again subdivided into subgroups A (blot-dried) and B (air-dried) containing nine samples each. Dentin surfaces were etched and rinsed. After the respective drying method, adhesive application and composite buildup were done. SBS was measured. The data were subjected to statistical analysis. Results: Acetone-based adhesive showed the highest SBS in both drying methods. Further, blot-dried dentin produced significantly higher SBS than air-dried dentin. Conclusion: Solvent type and drying methods have an effect on the bond strength of total-etch adhesives to dentin. Acetone-based adhesives used with blot-drying techniques showed the best results.

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Impact of gamma radiation on marginal adaptation of nanohybrid composite and composition of dental hard tissues – Scanning electron microscopy and X-ray diffraction analysis: An in vitro pilot study

Bansal,

Dora

et al. 2024

Journal of Conservative Dentistry and Endodontics

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Aims: This pilot study aimed to compare the marginal adaptation of composite resin at the tooth-restoration interface, before and after radiation. Subjects and Methods: Fifteen extracted premolars were divided into 2 experimental groups (based on the timing of irradiation) and 1 control group of 5 teeth each. In Group I (control group), teeth were restored but not exposed to radiation at any stage, Group II: teeth were irradiated before cavity preparation and restoration, and Group III: after cavity preparation and restoration employing selective etch technique, teeth were exposed to radiation. The samples were then sectioned buccolingually to analyze the extent of the marginal gap under scanning electron microscopy and compositional alteration of dental hard tissues by X-ray diffraction study. The data collected were analyzed statistically. Statistical Analysis Used: The statistical software used was IBM SPSS version 23 New York, USA, and analysis was done using two-way ANOVA followed by Turkey’s post hoc test, this difference in the mean marginal gap between all three groups was nonsignificant (P ≥ 0.05). Results: In the control group (Group I), a minimum gap (4.203 µm ± 0.533) was observed at the tooth-restoration interface, indicating the highest level of adaptation as compared to Group II (5.816 µm ± 0.762) and Group III (4.862 µm ± 1.018). This suggests that radiation adversely affected the bonding between composite materials and both enamel and dentin, attributed to the alterations induced by radiotherapy in the chemical, physical, and morphological properties of both tooth structure and composite resin. Conclusions: Ionizing radiations adversely affect the bonding between enamel, dentin, and composite resin. Hence, restorative procedures should be performed before undergoing radiotherapy.

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Effect of mechanical alteration of enamel surface on shear bond strength of different bonding techniques

Cited by 4 publications

References 11 publications

Comparative analysis of bond strength and microleakage of newer generation bonding agents to enamel and dentin: An in vitro study

Comparative analysis of bond strength and microleakage of newer generation bonding agents to enamel and dentin: An in vitro study

Estimation of the effect of acetone- or ethanol-based solvents on shear bond strength of composite resin using air- and blot-dry techniques

Impact of gamma radiation on marginal adaptation of nanohybrid composite and composition of dental hard tissues – Scanning electron microscopy and X-ray diffraction analysis: An in vitro pilot study

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