光固化灯导致的髓腔温度升高：一项体外研究。
Pulp chamber temperature increase from curing light units: an in vitro study.
作者信息
Cantekin Kenan, Buyuk Suleyman Kutalmis, Delikan Ebru, Pedük Kübra, Demirbuga Sezer
机构信息
Department of Pediatric Dentistry, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
Department of Orthodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
出版信息
J Dent Child (Chic). 2014 Sep-Dec;81(3):128-32.
PURPOSE
The purpose of this study was to compare temperature rises in the pulp chamber induced by halogen, plasma arc, and conventional light-emitting diode (LED) curing units with that induced via a new generation LED-curing unit (VALO) in extra power mode.
METHODS
A Class I cavity was prepared on the occlusal surface of 80 extracted caries- free mandibular third molars, which were filled with a microhybrid composite. A thermocouple wire was inserted into the pulp chamber of each tooth to measure temperature changes.
RESULTS
The greatest temperature increases were observed during polymerization of composite resin with a halogen curing unit (3.2 degrees Celsius), followed by plasma arc curing (2.07 degrees Celsius) and VALO curing (1.44 degrees Celsius); the lowest temperature rise was with conventional LED curing (1.01 degrees Celsius).
CONCLUSION
There were no statistically significant differences between conventional LED and VALO curing in extra power mode regarding pulp chamber temperature increases when polymerizing composite resin.
目的
本研究旨在比较卤素固化灯、等离子弧固化灯和传统发光二极管（LED）固化灯与新一代处于高功率模式的LED固化灯（VALO）在髓腔内引起的温度升高情况。
方法
在80颗拔除的无龋下颌第三磨牙的咬合面上制备I类洞型，并用微混合复合树脂进行充填。将热电偶丝插入每颗牙齿的髓腔以测量温度变化。
结果
在用卤素固化灯聚合复合树脂的过程中观察到温度升高幅度最大（3.2摄氏度），其次是等离子弧固化（2.07摄氏度）和VALO固化（1.44摄氏度）；温度升高幅度最小的是传统LED固化（1.01摄氏度）。
结论
在聚合复合树脂时，传统LED固化灯和处于高功率模式的VALO固化灯在髓腔温度升高方面无统计学显著差异。
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