离子释放凹坑和裂缝密封剂与其他改性凹坑和裂缝密封剂在高温和超声振动下的效果比较:离体比较。

Q3 Dentistry
Nishtha Gosain, Noopur Kaushik, Nikhil Srivastava, Vivek Rana, Sakshi Bhardwaj
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引用次数: 0

摘要

背景:牙槽沟密封剂是预防牙合表面龋齿的重要工具,但尽管封闭了深牙槽沟,但由于材料的不完全渗透和保留丧失,导致微渗漏,导致牙合龋齿仍然是一个主要问题。目的:评价新近引进的离子释放型坑缝密封剂与含氟型和无定形磷酸钙(ACP)密封剂在唾液污染后受热和超声振动作用下的渗透深度和微泄漏的效果。研究设计:体外比较研究。材料和方法:取144颗牙合面完整的新拔牙/恒磨牙,根据所使用的密封剂类型分为3组(N = 48): 1组(释放离子)、2组(释放氟化物)和3组(含acp)。根据放置密封胶的方法将这些组进一步分为三个相同的亚组(n = 16) - a(常规),B(热)和C(超声振动)。清洁咬合面后,对咬合面进行蚀刻,并按组、亚组涂抹密封胶。然后将样品置于碱性品红染料中24小时。在体视显微镜下观察冠的穿透深度和微渗漏分析。统计分析:Kruskal-Wallis检验、Dunn事后检验、单因素方差分析(ANOVA)检验、Tukey事后检验。结果:离子释放坑裂密封剂(1组)在超声振动法下穿透深度最大,微泄漏最小(p < 0.005)。超声振动亚组与其他测试亚组相比,对裂隙的穿透性显著提高(p < 0.005)。结论:超声振动放置离子释放坑裂封闭剂(1组)在最大穿透深度和最小微漏方面效果最好。临床意义:与含acp和释放氟化物的其他密封剂相比,生物活性窝沟密封剂具有更高的机械强度、渗透深度和最小的微泄漏。此外,密封胶可以用热和振动处理,以增加材料的粘度,从而改善其性能。如何引用本文:Gosain N, Kaushik N, Srivastava N等。离子释放凹坑和裂缝密封剂与其他改性凹坑和裂缝密封剂在高温和超声振动下的效果比较:离体比较。中华临床儿科杂志,2015;18(7):864-870。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Efficacy of Ion-releasing Pit and Fissure Sealants Compared with Other Modified Pit and Fissure Sealants when Subjected to Heat and Ultrasonic Vibration: An <i>Ex Vivo</i> Comparison.

Efficacy of Ion-releasing Pit and Fissure Sealants Compared with Other Modified Pit and Fissure Sealants when Subjected to Heat and Ultrasonic Vibration: An <i>Ex Vivo</i> Comparison.

Efficacy of Ion-releasing Pit and Fissure Sealants Compared with Other Modified Pit and Fissure Sealants when Subjected to Heat and Ultrasonic Vibration: An <i>Ex Vivo</i> Comparison.

Efficacy of Ion-releasing Pit and Fissure Sealants Compared with Other Modified Pit and Fissure Sealants when Subjected to Heat and Ultrasonic Vibration: An Ex Vivo Comparison.

Background: Pit and fissure sealants are important tools for the prevention of dental caries on the occlusal surfaces, but despite sealing the deep pits and fissures, occlusal dental caries continues to be a major problem due to incomplete penetration and loss of retention of the material, leading to microleakage.

Aim: To evaluate the efficacy of recently introduced ion-releasing pit and fissure sealants in comparison to fluoride-releasing and amorphous calcium phosphate (ACP)-containing sealants in terms of their penetration depth and microleakage when subjected to heat and ultrasonic vibration postsalivary contamination.

Study design: An ex vivo comparative study.

Materials and methods: One hundred forty-four freshly extracted primary/permanent molars with intact occlusal surfaces were taken and divided into three equal groups (N = 48) based on the type of sealants applied-group 1 (ion-releasing), group 2 (fluoride-releasing), and group 3 (ACP-containing). These groups were further divided into three equal subgroups (n = 16) based on the method of sealant placement-A (conventional), B (heat), and C (ultrasonic vibration). After cleaning the occlusal surfaces, occlusal surfaces were etched and the sealants were applied as per groups and subgroups. Samples were then placed in basic fuchsin dye for 24 hours. The crowns were sectioned and examined under a stereomicroscope for penetration depth and microleakage analysis.

Statistical analysis: Kruskal-Wallis test, Dunn's post hoc test, one-way analysis of variance (ANOVA) test, and Tukey's post hoc test.

Results: Ion-releasing pit and fissure sealant (group 1) showed maximum penetration depth and minimum microleakage when subjected to ultrasonic vibration method (p < 0.005). The ultrasonic vibration subgroup exhibited significantly greater penetration into the fissures compared with the other test subgroups (p < 0.005).

Conclusion: Ion-releasing pit and fissure sealant (group 1) placed through ultrasonic vibration proved to be the best in terms of maximum penetration depth and minimum microleakage.

Clinical relevance: Bioactive pit and fissure sealants provide greater mechanical strength, penetration depth, and least microleakage compared to the other sealants, that is, ACP-containing and fluoride-releasing sealants. Additionally, the sealants can be treated with heat and vibration to increase the material's viscosity, thereby improving its properties.

How to cite this article: Gosain N, Kaushik N, Srivastava N, et al. Efficacy of Ion-releasing Pit and Fissure Sealants Compared with Other Modified Pit and Fissure Sealants when Subjected to Heat and Ultrasonic Vibration: An Ex Vivo Comparison. Int J Clin Pediatr Dent 2025;18(7):864-870.

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