Influence of Er:YAG Laser-activated Post Space Irrigation on Fiber Post Microleakage

doi:10.13701/j.cnki.kqyxyj.2021.08.016

Abstract

Abstract: Objective: To study the influence of Er:YAG laser-activated post space irrigation on fiber post microleakage. Methods: A total of 30 extracted upper incisors with similar size and shape were randomly divided in 3 groups. After　conventional root canal treatment and post space preparation, three kinds of irrigation (sodium chloride solution, 2.5% sodium hypochlorite, and Er:YAG laser with 2.5% sodium hypochlorite) were applied to the post space. After sticking fiber post with bond, the specimens were cut out 6 mm　from cement-enamel junction. The degree of microleakage was measured by Glucose oxidase-peroxidase (GOD-POD) method. Results: The microleakage　degrees of sodium chloride solution, 2.5% sodium hypochlorite, and Er:YAG laser with 2.5% sodium hypochlorite were (0.941±0.096) mmol/L, (0.911±0.075) mmol/L, and (0.889±0.102) mmol/L, respectively (P＜0.05). Conclusion: Er:YAG laser-activated post space irrigation can reduce the microleakage of fiber post.

Key words: fiber post, Er:YAG laser, irrigation, microleakage

ZHANG Min, ZHANG Xiaojie, ZHENG Cangshang, ZHU Yaomin. Influence of Er:YAG Laser-activated Post Space Irrigation on Fiber Post Microleakage[J]. Journal of Oral Science Research, 2021, 37(8): 746-749.

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