Suresh Sneha, Katiyar Srashti, Kumari Amrita, Sharma Prachi, Kumari Rosy, Sharma Vaishali
Department of Periodontics and Oral Implantology, Buddha Institute of Dental Sciences and Hospital, Patna, Bihar, India.
Department of Periodontology and Oral Implantology, Mahatma Gandhi Dental College and Hospital, Jaipur, Rajasthan, India.
J Pharm Bioallied Sci. 2025 May;17(Suppl 1):S751-S753. doi: 10.4103/jpbs.jpbs_28_25. Epub 2025 Mar 19.
Clinical applicability, postoperative pain and post-op bleeding using diode lasers are not substantial, except for literature data depicting controversial results.
To assess the efficacy of laser-assisted cosmetic Gingivectomy for smile lift on postoperative pain and bleeding in fixed orthodontic treatment.
The study assessed 60 healthy subjects undergoing orthodontic treatment and aged 17-29 years requiring only gingivectomy for esthetics in the anterior maxillary region. Subjects were randomly divided into two groups of 30 subjects each as Group I was experimental and underwent laser-assisted surgery and Group II as traditional surgery with a scalpel. The bleeding rate after surgery was assessed using WHO bleeding criteria. VAS (visual analog scale) was used to assess postsurgical pain immediately after surgery and 2 hours after surgery in subjects who took analgesics.
Mean bleeding rates were 1.13 and 0.34 in conventional scalpel surgery and laser groups, respectively, which was significantly lesser with laser with < 0.05.VAS scores in the experimental laser group were 0, showing no postoperative pain and 1 in the conventional surgery group mean pain of 5.2 from 10. The difference in VAS1 values in the control and experimental groups was statistically significant with < 0.001.
The present study concludes that a 940 nm laser is a promising tool for the reduction of postoperative pain and postoperative bleeding in subjects that need cosmetic smile lift surgeries after orthodontic treatment.
除了文献数据显示出有争议的结果外，二极管激光在临床适用性、术后疼痛和术后出血方面的效果并不显著。
评估激光辅助美容性牙龈切除术在固定正畸治疗中提升笑容时对术后疼痛和出血的疗效。
该研究评估了60名接受正畸治疗、年龄在17 - 29岁之间、仅需对上颌前部区域进行美学牙龈切除术的健康受试者。受试者被随机分为两组，每组30人，第一组为实验组，接受激光辅助手术，第二组为传统手术刀手术组。术后出血率采用世界卫生组织出血标准进行评估。对于服用镇痛药的受试者，使用视觉模拟量表（VAS）在术后即刻和术后2小时评估术后疼痛。
传统手术刀手术组和激光组的平均出血率分别为1.13和0.34，激光组的出血率明显更低，P < 0.05。实验激光组的VAS评分为0，显示无术后疼痛，传统手术组的评分为1，平均疼痛为10分中的5.2分。对照组和实验组VAS1值的差异具有统计学意义，P < 0.001。
本研究得出结论，940纳米激光对于正畸治疗后需要进行美容性笑容提升手术的受试者来说，是一种有望减少术后疼痛和术后出血的工具。
