Comparative Evaluation of the Effect of Different Concentrations of Silver Diamine Fluoride on the Shear Bond Strength of Composite Resin on Primary Tooth Dentin: An In Vitro Study.

Q3 Dentistry

International Journal of Clinical Pediatric Dentistry Pub Date : 2026-02-01 Epub Date: 2026-02-12 DOI:10.5005/jp-journals-10005-3417

Sanjana Deka, Seema Chaudhary, Naveen Manuja, Chaitra Ravishankar Telgi, Ashish Amit Sinha, Kounali Parasar

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Abstract

Background: Silver diamine fluoride (SDF) is a nominally invasive agent for caries arrest, but its impact on composite resin bond strength in primary teeth remains unclear.

Aim: To review the effect of different SDF concentrations (12%, 30%, 38%) on the shear bond strength (SBS) of resin composite to primary tooth dentin.

Materials and methods: Forty surgically removed primary teeth were assigned to four groups: Control (no SDF) and three experimental groups (12%, 30%, or 38% SDF). After demineralization and SDF application, the resin composite was bonded to dentin. SBS was quantified with the aid of a universal testing machine, and the data were subjected to statistical evaluation.

Results: The control group showed the highest SBS (10.28 MPa), while SDF-treated groups exhibited significantly lower values (7.36-7.72 MPa). The analysis revealed no statistically significant intergroup disparity among the SDF concentrations (p > 0.05).

Conclusion: SDF pretreatment reduces composite resin bond strength to primary dentin, but the concentration (12-38%) does not significantly influence the outcome. Clinicians should consider this when combining SDF with composite restorations.

Clinical significance: Despite a reduction in bond strength, this study supports the use of SDF because of its therapeutic efficacy in arresting carious lesions in primary teeth, as different concentrations (12-38%) do not significantly affect composite bonding. SDF can be confidently used in minimally invasive pediatric care where long-term caries control is a priority.

How to cite this article: Deka S, Chaudhary S, Manuja N, et al. Comparative Evaluation of the Effect of Different Concentrations of Silver Diamine Fluoride on the Shear Bond Strength of Composite Resin on Primary Tooth Dentin: An In Vitro Study. Int J Clin Pediatr Dent 2026;19(2):223-227.

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不同浓度氟化二胺银对复合树脂对乳牙本质剪切结合强度影响的体外比较研究

背景：氟化二胺银（SDF）名义上是一种有创阻龋剂，但其对乳牙复合树脂结合强度的影响尚不清楚。目的：探讨不同SDF浓度（12%、30%、38%）对树脂复合材料与原牙本质剪切结合强度（SBS）的影响。材料和方法：将40颗手术拔除的乳牙分为4组：对照组（无SDF）和3个实验组（SDF为12%、30%或38%）。在脱矿和SDF应用后，树脂复合材料与牙本质结合。利用万能试验机对SBS进行量化，并对数据进行统计评价。结果：对照组SBS最高（10.28 MPa）， sdf处理组显著低于对照组（7.36 ~ 7.72 MPa）。SDF浓度组间差异无统计学意义（p < 0.05）。结论：SDF预处理降低了复合树脂与初级牙本质的结合强度，但浓度（12-38%）对结果影响不显著。临床医生在结合SDF和复合修复体时应考虑到这一点。临床意义：尽管结合强度降低，但本研究支持使用SDF，因为它具有抑制乳牙龋齿病变的治疗效果，不同浓度（12-38%）对复合结合没有显著影响。SDF可以自信地用于微创儿科护理，长期控制龋齿是一个优先事项。如何引用本文：Deka S， Chaudhary S， Manuja N等。不同浓度氟化二胺银对复合树脂对乳牙本质剪切结合强度影响的体外比较研究中华临床儿科杂志，2016;19(2):223-227。

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