Valutazione della rugosità dello smalto in seguito a trattamenti di air-polishing eseguiti con vetri bioattivi

Prevenzione & assistenza dentale Pub Date : 2011-12-01 DOI:10.1016/j.pad.2011.09.001

E. Osorio , M. Toledano , R. Osorio , L. Levrini , I. Thompson , F. Foschi , S. Sauro

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Abstract

Objectives

To evaluate the roughness of the enamel surface after air-polishing.

Materials and methods

Fifteen specimens of enamel-MACOR treated with modified-Bioglass 45S5 (SS), aluminum trioxide (AO), or sodium bicarbonate (BS) were analyzed using confocal (CLSM) and atomic force (AFM) microscopy to identify profilometric and micro- and nano-roughness changes.

Results

AO-treated samples were significantly rougher (p > 0.05) than those treated with BS or SS. Surfaces treated with BS or SS were not significantly different from the untreated control surfaces (p > 0.05). AO powder produced the greatest profilometric changes, whereas BS and SS produced similar profilometric changes.

Conclusions

Air-polishing with SS or BS does not alter enamel roughness, although it may have mild profilometric effects during stain removal procedures.

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使用生物活性玻璃进行空气偏振处理后，对珐琅的粗糙度进行评估

目的评价空气抛光后牙釉质表面的粗糙度。材料和方法采用共聚焦显微镜(CLSM)和原子力显微镜(AFM)分析了15个经改性生物玻璃45S5 (SS)、三氧化二铝(AO)或碳酸氢钠(BS)处理的搪瓷- macor样品，以确定其轮廓和微观和纳米粗糙度的变化。结果sao处理后的样品明显粗糙(p >BS或SS处理的表面与未处理的对照表面无显著差异(p >0.05)。AO粉的形貌变化最大，而BS粉和SS粉的形貌变化相似。结论:用SS或BS进行空气抛光不会改变牙釉质的粗糙度，尽管在去除污渍过程中可能会产生轻微的轮廓效应。

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Prevenzione & assistenza dentale

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