正畸粘接剂和清洁程序对脱落后釉质染色敏感性的影响。
Influence of orthodontic adhesives and clean-up procedures on the stain susceptibility of enamel after debonding.
机构信息
Department of Dentistry, Korea University, Seoul, Korea.
出版信息
Angle Orthod. 2011 Mar;81(2):334-40. doi: 10.2319/062610-350.1.
OBJECTIVE
To determine the influence of the type of orthodontic adhesive system, such as conventional acid-etching (CE) and self-etching primers (SEPs), on the stain susceptibility of enamel surface after debonding. Effects of clean-up procedures on the enamel surface were also determined.
MATERIALS AND METHODS
Two types and four brands of adhesive systems were investigated using 135 human premolars. Unbonded teeth were used as controls. Three-dimensional scanning of the enamel surface was performed before bracket bonding, after debonding, and after clean-up procedures. The color of each tooth was measured before bracket bonding and again after debonding and clean-up procedures. This was followed by methylene blue staining. The stain susceptibility of the enamel surface was measured after finishing only (F-condition) and after finishing/polishing (FP-condition).
RESULTS
After debonding, the amount of residual adhesive resins in CE materials was greater than that in SEP materials. For the F-condition, staining color change in SEP materials was significantly higher than that in CE materials. For the FP-condition, staining color change in both CE and SEP materials was not different from those of the control.
CONCLUSIONS
The SEP system would show less stain susceptibility if the thin residual adhesive resin layer after debonding is removed by polishing.
目的
确定正畸粘接系统的类型（如传统酸蚀[CE]和自酸蚀底胶[SEP]）对离解后牙釉质表面的染色敏感性的影响。还确定了清洁程序对牙釉质表面的影响。
材料和方法
使用 135 个人类前磨牙研究了两种类型和四种品牌的粘接系统。未粘接的牙齿作为对照。在粘接前、离解后和清洁程序后对牙釉质表面进行三维扫描。在粘接前和离解后以及清洁程序后测量每个牙齿的颜色。然后进行亚甲基蓝染色。仅在完成（F 条件）和完成/抛光（FP 条件）后测量牙釉质表面的染色敏感性。
结果
离解后，CE 材料中的残留粘接树脂量大于 SEP 材料。对于 F 条件，SEP 材料的染色颜色变化明显高于 CE 材料。对于 FP 条件，CE 和 SEP 材料的染色颜色变化与对照组无差异。
结论
如果通过抛光去除离解后薄的残留粘接树脂层，SEP 系统的染色敏感性会降低。
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