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首页> 外文期刊>Journal - Canadian Dental Association >In vitro comparison of peak polymerization temperatures of 5 provisional restoration resins.
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In vitro comparison of peak polymerization temperatures of 5 provisional restoration resins.

机译：5种临时修复树脂的峰值聚合温度的体外比较。

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BACKGROUND: The heat produced by provisional restoration materials may injure the dental pulp. This study measured and compared peak temperatures during polymerization of 5 materials used in the fabrication of provisional restorations. METHODS: The tested materials were 2 self-curing resins (Integrity and Protemp) and 3 dual-cure resins (Iso-Temp, TCB Dual Cure and Provipont DC). A mould the size of a maxillary molar tooth was fabricated to contain 0.5 cc of resin. The temperature rise of the different materials was recorded every 10 seconds over a 10-minute period. RESULTS: The rise in temperature of Integrity (peak temperature of 33.8 degrees C) and Protemp Garant (35.6 degrees C) was significantly higher than the rise in temperature of Iso-Temp (29.5 degrees C), TCB Dual Cure (28.4 degrees C) and Provipont DC (29.5 degrees C). CONCLUSION: Use of the dual-cure resins in provisional restorations may reduce the risk of pulp injury.
机译：背景：临时修复材料产生的热量可能会伤害牙髓。这项研究测量并比较了用于制造临时修复体的5种材料在聚合过程中的峰值温度。方法：测试的材料是2种自固化树脂（完整性和临时性）和3种双固化树脂（等温，TCB双重固化和Provipont DC）。制作上颌臼齿大小的模具，使其包含0.5 cc树脂。在10分钟的时间内，每10秒记录一次不同材料的温升。结果：完整性温度（峰值温度为33.8摄氏度）和临时温度（35.6摄氏度）的升高明显高于等温（29.5摄氏度），TCB双固化（28.4摄氏度）的升高。和Provipont DC（29.5摄氏度）。结论：在临时修复体中使用双重固化树脂可减少牙髓受伤的风险。

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