The associations between diode laser (810 nm) therapy and chronic wound healing and pain relief: Light into the chronic wound patient's life

Tang, Di; Liu, Chunmei; Chen, Xia; Lv, Xian; Yuan, Lili; Xue, Dan; Song, Huapei

doi:10.1111/wrr.13066

Cited by 2 publications

(1 citation statement)

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“…Additionally, they can reduce postoperative pain and stimulate the healing process, leading to faster wound repair. [19][20][21] These clinical outcomes are closely linked to the effects that occur at the histological level within the tissue resection area. For this reason, it was proposed to conduct a histological study of gingivectomy samples obtained by using diode lasers with different wavelengths, aiming to evaluate whether the effect varies according to the wavelength.…”

Section: Discussionmentioning

confidence: 99%

Histologic Evaluation of Effect of Three Wavelengths of Diode Laser on Human Gingival Margins

Flórez,

Maz,

Domínguez

et al. 2023

J Lasers Med Sci

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Introduction: Available evidence suggests that the response of the intervened tissue is directly linked to the effects generated by the cutting instrument used. To determine the histological findings in gingival tissue margins excised through gingivectomies performed using 450 nm, 940 nm, and 980 nm diode lasers. The present study aimed to determine the histological findings in gingival tissue margins excised through gingivectomies performed using 450 nm, 940 nm, and 980 nm diode lasers. Methods: Gingival tissue samples were collected from 30 patients who had undergone gingivectomy procedures. Each study group comprised 10 patients who willingly provided their samples after providing informed consent. The visualization of histological findings was facilitated through Hematoxylin-Eosin staining. Additionally, variables related to pain and hemostasis were assessed during the intraoperative period. Results: The incision quality was categorized as irregular across all three wavelengths. Histological examination of the epithelial tissue revealed the absence of carbonization and the preservation of cell morphology in over 50% of the resection margin in samples obtained with the 450 nm and 940 nm wavelengths. In the connective tissue, observations included carbonization, collagen coagulation, and basophilia, with the 980 nm wavelength demonstrating the highest percentage of samples displaying collagen coagulation in more than 50% of the resection margin. Conversely, the 450 nm wavelength exhibited the highest degree of preservation of the fibroblast structure. Conclusion: Based on a comprehensive analysis of the study results, it can be inferred that the 450nm and 940nm wavelength lasers tend to produce less thermal damage and better cell preservation when compared to the 980nm wavelength.

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Section: Discussionmentioning

confidence: 99%