Randomized Controlled Study on Short-term Clinical Effects of Er:YAG Laser Versus Subgingival Glycine Air Polishing in Treatment of Peri-implantitis

doi:10.13701/j.cnki.kqyxyj.2024.01.011

Abstract

Abstract: Objective: To compare the short-term clinical effects of Er:YAG laser and subgingival glycine air polishing (GPAP) in the treatment of peri-implantitis. Methods: A total of 38 patients with peri-implantitis from August 2020 to January 2022 were selected as the study subjects. They were divided into Er:YAG laser group (Group A) and GPAP group (Group B) by random number table method. Ultrasound subgingival scaling was performed by the same doctor who did not know the grouping condition. Then, Group A was treated with Er:YAG laser, and Group B was treated with GPAP. The mean probing depth (MPD), bleeding on probing (BOP), and clinical attachment loss (CAL) were examined. Results: In contrast to baseline level, the MPD and BOP indexes in Group A and Group B were significantly lowered 6 months after operation (P＜0.05), and the effect of Group A was better than that of Group B [(1.98±0.34) mm vs. (2.43±0.51) mm;0.68±0.75 vs. 1.21±0.71;P＜0.05]. The CAL index was significantly reduced in Group A after treatment [(2.10±0.39) mm vs. (1.21±0.27) mm; P<0.001], however, no significant improvement in Group B after treatment (P>0.05). Conclusion: Er:YAG laser treatment was more effective than GPAP in treating peri-implant soft tissue inflammation, and patients treated with Er:YAG laser recovered the lost bone tissue to some extent within an observation period of 6 months.

Key words: implant teeth, peri-implantitis, Er: YAG laser, subgingival glycine air polishing

ZHENG Zejun, ZHANG Ying, SUN Jinmeng, WEI Yanan, DING Xiaoling, DING Gang. Randomized Controlled Study on Short-term Clinical Effects of Er:YAG Laser Versus Subgingival Glycine Air Polishing in Treatment of Peri-implantitis[J]. Journal of Oral Science Research, 2024, 40(1): 56-60.

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