表面封闭对纳米混合树脂复合材料抗染色性的影响。

Effect of surface sealing on stain resistance of a nano-hybrid resin composite.

作者信息

Saygi Gunce, Karakoc Pinar, Serbes Isil, Erdemir Ugur, Yucel Taner

机构信息

Department of Operative Dentistry, Faculty of Dentistry, Istanbul University, Turkey.

Private Practice Turkey.

出版信息

J Istanb Univ Fac Dent. 2015 Apr 29;49(2):23-30. doi: 10.17096/jiufd.24298. eCollection 2015.

DOI:10.17096/jiufd.24298

PMID:28955532

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5573481/

Abstract

PURPOSE

This study investigated the influence of sealant application on stain resistance of a nanohybrid resin composite compared to the efficacy of a bonding agent used as a surface sealant on prolonging color stability of the resin composite.

MATERIALS AND METHODS

28 disc-shaped materials were prepared from a nano-hybrid resin composite Filtek Z550 and assigned to four groups: G1K: nonsealed; G2:Adper Single Bond; G3: Fortify ; G4: Biscover LV. After 24 h storage in distilled water at 37˚C, all specimens were subjected to thermocycling and immersed into coffee solution. Color measurements were performed using spectrophotometer (VITA Easyshade; Vident) according to CIELab* system.

RESULTS

Color change values were significantly different among the groups in each evaluation period except for after thermocycling (p<0.05). For 7 days evaluation period, the difference between G3 and G4 group was statistically significant while G4 exhibited statistically significant differences (p<0.05 and p<0.0001 respectively) compared to control (G1) in 14 day whereas no significant difference was found between GI and GII in 28-day evaluation period. However, ΔE values of sealed specimens (GIII, GIV) differed significantly from non-sealed (GI) specimens after 28 days of immersion in coffee solution (p<0.05 and p<0.0001 respectively).

CONCLUSION

It may be concluded that using a bonding agent as a surface sealant does not increase stain resistance of resin composites of the sealants evaluated. Biscover LV showed the highest efficacy to prolong color stability of the resin composite.

摘要

目的

本研究调查了与用作表面密封剂的粘结剂在延长树脂复合材料颜色稳定性方面的功效相比，应用封闭剂对纳米混合树脂复合材料抗染色性的影响。

材料与方法

用纳米混合树脂复合材料Filtek Z550制备28个圆盘形材料，并分为四组：G1K：未封闭；G2：Adper单组分粘结剂；G3：Fortify封闭剂；G4：Biscover LV封闭剂。在37˚C蒸馏水中储存24小时后，所有标本进行热循环并浸入咖啡溶液中。根据CIELab*系统使用分光光度计（VITA Easyshade；Vident）进行颜色测量。

结果

除热循环后外，各评估期组间颜色变化值差异均有统计学意义（p<0.05）。在7天评估期内，G3组和G4组之间的差异有统计学意义，而在14天时，G4组与对照组（G1）相比差异有统计学意义（分别为p<0.05和p<0.0001），而在28天评估期内G1组和G2组之间未发现显著差异。然而，在咖啡溶液中浸泡28天后，封闭标本（GIII、GIV）的ΔE值与未封闭标本（GI）有显著差异（分别为p<0.05和p<0.0001）。