How to optimize bonding procedures on healthy and hypomineralized enamel in orthodontics?

L' Orthodontie francaise Pub Date : 2023-11-06 DOI:10.1684/orthodfr.2023.137

Elisabeth Dursun, Jean-Pierre Attal

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Abstract

Introduction: Bonding to enamel is a daily problem for the orthodontist. While bonding to healthy enamel is nowadays well mastered, bonding to hypomineralized enamel is much less so. The aim of this article was to help the orthodontist to optimise bonding, whatever the clinical situation.

Material and method: Based on data from the literature, the clinical and microscopic characteristics of healthy and hypomineralised enamel, including amelogenesis imperfecta (AI), molar incisor hypomineralization (MIH), fluorosis or erosion will be described. Proposals for optimising bonding will then be identified and summarized.

Results: Bonding to enamel is reliable, but the use of an etch-and-rinse mode (even with a universal adhesive) is recommended. For AI, MIH and fluorosis, the use of sodium hypochlorite after etching seems to significantly increase bonding. No treatment is needed for eroded enamel. However, deep resin infiltration for severe MIH or superficial resin infiltration for fluorosis would reduce the risk of enamel fracture during bracket removal.

Conclusion: It is important to be aware of the characteristics of the dental substrate and the materials used to optimize procedures.

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如何在正畸中优化健康和低矿化牙釉质的粘接程序？

简介：附着在牙釉质上是正畸医生的日常问题。虽然现在已经很好地掌握了与健康牙釉质的结合，但与低矿化牙釉质的结合要少得多。本文的目的是帮助正畸医生优化结合，无论临床情况如何。材料和方法：根据文献资料，描述健康和低矿化牙釉质的临床和微观特征，包括成釉不全（AI）、磨牙-切牙低矿化（MIH）、氟中毒或侵蚀。然后将确定并总结优化结合的建议。结果：与牙釉质的粘合是可靠的，但建议使用蚀刻和冲洗模式（即使使用通用粘合剂）。对于AI、MIH和氟中毒，蚀刻后使用次氯酸钠似乎可以显著增加结合。侵蚀的搪瓷不需要处理。然而，严重MIH的深层树脂浸润或氟中毒的浅层树脂浸润可以降低托槽去除过程中牙釉质断裂的风险。结论：了解牙科基质的特性和所用材料对优化手术过程很重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

L' Orthodontie francaise

CiteScore

0.40

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0.00%

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