研究氟化物溶液对牙釉质侵蚀影响的复刻技术。

Q Dentistry
Swedish dental journal Pub Date : 2012-01-01
Carl Hjortsjö, Anders Mjølnerød, Anders Skaare, Grazyna Jonski, Alix Young, Anders Ekfeldt
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引用次数: 0

摘要

未标记:这项体外研究的目的是开发一种复制技术,旨在复制暴露于侵蚀挑战的牙釉质表面。然后使用复制技术在体外侵蚀模型中比较不同氟化物(F)溶液处理牙釉质的效果。将人类臼齿分成两部分(共34个标本),每个标本用印模材料分离一半。第一部分:将10个标本暴露于0.18%或1.8%的柠檬酸中,去除印模材料,制备复制品。所有标本和复制模型均通过轮廓术和扫描电镜进行分析。第二部分:用天然0.1 mol/L f溶液(HF, SnF2, NaF和TiF4)处理24个样品,去除压印材料,然后暴露于1.8%的柠檬酸中。制备复制品,并通过轮廓术和扫描电镜进行分析。测量每个f溶液中f处理区域和未处理区域之间的中位高度差。两位作者对SEM显微照片进行了定性分析。结果:第一部分-复制品显示了牙齿标本的良好地形再现。在0.1 mol/L F条件下,部分ⅱ-HF比其他氟化物溶液具有更强的抑制侵蚀作用。扫描电镜显示,只有在用HF-和TiF溶液处理的样品中,f处理和未处理表面之间才有明确的边界。综上所述,本方法能够区分不同氟化物处理牙釉质对体外牙侵蚀的影响。该技术还需要进一步测试,以便在体内和体内使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A replica technique for studying the effect of fluoride solutions on enamel erosion.

Unlabelled: The aim of this in vitro study was to develop a replica technique aimed at reproducing an enamel surface exposed to erosive challenge. The replica technique was then used to compare the effect of treating enamel with different fluoride (F) solutions using an in vitro erosion model. Human molar teeth were split in two (total n=34 specimens), and half of each specimen was isolated with impression material. Part I: 10 specimens were exposed to either 0.18% or 1.8% citric acid, the impression material was removed and replicas were prepared. All specimens and replica models were analysed by profilometry and SEM. Part II: 24 specimens were treated with native 0.1 mol/L F-solutions (HF, SnF2, NaF and TiF4), the impression material was removed, and the specimens were then exposed to 1.8% citric acid. Replicas were prepared and analysed by profilometry and SEM. The median height difference between the F-treated areas and the non-treated areas for each F-solution was measured. SEM micrographs were analysed qualitatively blind bytwo of the authors.

Results: Part I--Replicas showed good topographical reproduction of the tooth specimens. Part II--HF had a significantly greater erosion-inhibiting effect than the other fluoride solutions at 0.1 mol/L F as shown by profilometry. SEM revealed a clearly defined border between F-treated and non-treated surfaces only for specimens treated with HF- and TiF solutions. In conclusion, the present replica technique was able to differentiate between the effect of treating enamel with different fluorides against dental erosion in vitro. The technique should be tested further for possible use in situ and in vivo.

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来源期刊
Swedish dental journal
Swedish dental journal 医学-牙科与口腔外科
CiteScore
0.85
自引率
0.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Swedish Dental Journal is the scientific journal of the Swedish Dental Association and the Swedish Dental Society. It is published 4 times a year to promote practice, education and research within odontology. Manuscripts containing original research are accepted for consideraion if neither the article nor any part of its essential substance has been or will be published elsewhere. Reviews, Case Reports and Short Communications will also be considered for publication.
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