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Clin oral invest:预热冲洗液在根管内温度变化

2017-12-16 MedSci MedSci原创

本研究的目的是测试周围介质的温度,流量,灌注时间和根尖通畅对注射在根管内的冲洗液的温度的影响。

本研究的目的是测试周围介质的温度,流量,灌注时间和根尖通畅对注射在根管内的冲洗液的温度的影响。

材料和方法:将热电偶插入不同位置的切牙中,以监测在21,45或60℃注射期间和之后的冲洗温度。将牙齿浸入21和37℃的水浴中。

结果:预热的注射器使用达2.5分钟,然后从60℃冷却到45℃以下。冲洗温度根尖部高于冠部(P≤0.028)。冲洗时间对平均温度没有影响(P≥0.333),但根尖通畅性降低了根管内温度(P = 0.004)。牙齿外面测得的最高温度是39℃。

结论:在冲洗过程中,60°C下预热冲洗液在整个根管内温度高于45°C。冲洗完成后,温度迅速下降。

原始出处:

Ricardo G. Macedo, et al. Temperature evolution of preheated irrigant injected into a root canal ex vivo. Clinical oral investigstions. 2017 December. doi:10.1007/s00784-017-2086-2

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    2018-07-16 小几洁
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