Abstract：Objective: To investigate the efficacy of semiconductor laser in the treatment of elderly chronic periodontitis and its effects on periodontal probing depth (PD), clinical attachment loss (CAL) and gingival crevicular bleeding index (SBI). Methods: A total of 148 elderly patients with chronic periodontitis admitted to our hospital from January 2018 to December 2020 were randomly divided into control group and study group, with 74 cases in each group. The control group was treated with subgingival curettage, and the research group was treated with semiconductor laser. PD, Cal and SBI were detected by periodontal probe. The levels of high-sensitive C-reactive protein (hs-CRP), tumor necrosis factor (TNF-α), interleukin-6 (IL-6) and interleukin-8 (IL-8) were determined by radioimmunoassay. PI value was evaluated by probe. Superoxide dismutase (SOD) was determined by xanthine oxidase method. Glutathione peroxidase (GSH-Px) was determined using a reduced glutathione (GSH) detection kit. Nitric oxide (NO) was used by nitrate reductase method. Results: The indexes of PD (3.18±1.02), CAL (3.24±1.21) and SBI (0.58±0.16) in the study group were lower than those in the control group (3.79±1.01), (3.92±1.32) and (1.12±0.23), and the difference was statistically significant (P<0.05). The levels of hs-CRP (10.3±2.1), TNF-α (12.3±4.1), IL-6 (2.8±0.2) and IL-8 (2.5±0.1) in the study group were lower than those in the control group (14.7±3.1) (19.2±6.3) (4.4±0.9) (4.6±0.2). The difference was statistically significant (P<0.05). The PI values of grade 0 (58.1%), grade 1 (37.8%), grade 2 (2.7%) and grade 3 (1.4%) in the study group were higher than those of grade 0 (51.4%), grade 1 (28.4%), grade 2 (12.2%) and grade 3 (8.1%) in the control group, with statistical significance (P<0.05). Conclusion: Semiconductor laser is effective in treating chronic periodontitis in the elderly.
李淑华, 周永敏, 丁红忠. 老年慢性牙周炎患者半导体激光治疗的有效性及对患者PD CAL SBI的影响[J]. 河北医学, 2021, 27(8): 1308-1312.
LI Shuhua, ZHOU Yongmin, DING Hongzhong. Effectiveness of Semiconductor Laser Therapy in Elderly Patients with Chronic Periodontitis and Its Effect on PD CAL and SBI. HeBei Med, 2021, 27(8): 1308-1312.
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2021, Vol. 27 
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