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首页> 外文期刊>Dental Materials Journal >Effectiveness of sodium hypochlorite and sulfinic acid sodium salt treatment on dentin-resin bonding: Long-term durability of one-step self-etching adhesive
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Effectiveness of sodium hypochlorite and sulfinic acid sodium salt treatment on dentin-resin bonding: Long-term durability of one-step self-etching adhesive

机译：次氯酸钠和亚磺酸钠盐处理对牙本质-树脂粘接的有效性：一步式自蚀刻胶的长期耐久性

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This study aimed to evaluate the effect of sulfinic acid sodium salt interposition after acid and sodium hypochlorite treatment (NC treatment) on dentin bonding durability using a mild type one-step self-etching adhesive. Fifteen human third molars were randomly assigned into three experimental groups according to dentin pretreatment before applying the one-step self-etching adhesive: Cont group, without pretreatment; NC group, pretreatment with phosphoric acid and sodium hypochlorite gel; and NC+AC group, additional treatment with sulfinic acid sodium salt followed by the same pretreatment of the NC group. Microtensile bond strength was measured and the pre-treated dentin surface, fracture modes, and bonding interface were observed. The bond strength of the NC+AC group was significantly higher than that of the other groups (p <0.001). The dentin-adhesive interface was degraded after 1 year only in the Cont group. Our results demonstrated NC treatment improves bonding durability and application of sodium sulfinic acid salt after NC treatment improves bonding effectiveness.
机译：这项研究旨在评估使用温和型单步自蚀刻胶粘剂在酸和次氯酸钠处理（NC处理）后插入亚磺酸钠盐对牙本质粘合耐久性的影响。在应用一步自蚀刻胶之前，根据牙本质预处理将15个人的第三臼齿随机分为三个实验组：Cont组，不进行预处理; NC组，用磷酸和次氯酸钠凝胶预处理;和NC + AC组，再用亚磺酸钠盐进行治疗，然后对NC组进行相同的预处理。测量微拉伸粘合强度，并观察预处理的牙本质表面，断裂模式和粘合界面。 NC + AC组的粘合强度显着高于其他组（p <0.001）。仅在Cont组中，仅1年后牙本质-胶粘剂界面发生降解。我们的结果表明，NC处理可改善粘合耐久性，而在NC处理可改善粘合效果之后，应用亚磺酸钠盐。

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