Clinical Efficacy and Bacteriological Analysis on Er:YAG Laser with Three Parameters in Treatment of Early Peri-implantitis

doi:10.13701/j.cnki.kqyxyj.2020.05.020

Abstract

Abstract: Objective: To evaluate the clinical efficacy and anaerobic bacteria content of Er:YAG laser irradiation with different energy parameters on early peri-implantitis. Methods: 90 patients with early peri-implantitis were included, who were randomly devided into four groups A, B, C, and D. Baseline values were recorded: plaque index (PLI), bleeding index (BI), probing depth (PD), and defect depth (DD). A, B and C groups were irradiated with Er:YAG laser at 40mj, 60mj, and 80mj, respectively. The degree of pain was recorded by visual analogue scale (VAS) during operation. Group D was treated with minocycline hydrochloride. Clinical treatment was 1 time per week for 3 times. The total clinical efficacy after the 8 weeks were compared. Gingival crevicular fluid for each tooth was collected to culture and analyze the content of anaerobic bacteria before treatment, after laser irradiation, and after scaling. Results: There was no significant difference in the rate of total clinical effective after 8 weeks for each group (P>0.05), but the change of bacterial content for each group was statistically significant (P<0.05). Conclusion: Among the safety range, the rate of total clinical effective for Er:YAG laser with different energy parameters on early peri-implantitis was not obvious after 8 weeks. However, the microbial changes were significant, and as the laser energy increasing, the bactericidal property was stronger.

Key words: different energy, Er:YAG laser, peri-implantitis, anaerobic bacteria, minocycline hydrochloride

JIA Yongna, GOU Xiaorui, JIANG Dandan, TANG Xiaoxue, ZHOU Zheng. Clinical Efficacy and Bacteriological Analysis on Er:YAG Laser with Three Parameters in Treatment of Early Peri-implantitis[J]. Journal of Oral Science Research, 2020, 36(5): 486-489.

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