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Effect of GaAlAs 940 Laser on Pain and Wound Healing After Free Gingival Graft
Sponsor: University of Medicine and Pharmacy at Ho Chi Minh City
Summary
This randomized controlled clinical trial aims to evaluate the biomodulatory effects of a 940-nm GaAlAs diode laser on postoperative pain control and wound healing at the palatal donor site following free gingival graft harvesting. Adult patients undergoing free gingival graft surgery will be randomly allocated to receive either a single session of adjunctive diode laser irradiation immediately after surgery or sham laser irradiation without therapeutic laser energy delivery. Postoperative pain will be assessed using a visual analog scale, while clinical parameters related to wound healing, including bleeding tendency, epithelialization, and wound size reduction, will be evaluated at predefined follow-up time points. The findings of this study may contribute to the clinical understanding of photobiomodulation in free gingival graft surgery.
Official title: Single Application 940 nm GaAlAs Photobiomodulation Immediately After Free Gingival Graft Harvesting: Randomized Controlled Trial of Early Postoperative Pain and Palatal Wound Area Reduction
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
34
Start Date
2024-10-01
Completion Date
2025-10-01
Last Updated
2026-10-08
Healthy Volunteers
Yes
Interventions
940 nm GaAlAs diode laser
A single session of 940-nm GaAlAs diode laser irradiation is applied to the palatal donor site immediately after free gingival graft harvesting using a continuous, non-contact mode (0.1 W, 4 J/cm² for 40 seconds), in combination with the use of a palatal stent.
palatal stent
After suturing was completed at the recipient site, sham laser irradiation was performed without therapeutic laser energy delivery, followed by placement of a palatal stent.
Locations (1)
Faculty of Dentistry, University of Medicine and Pharmacy at Ho Chi Minh City
Ho Chi Minh City, Vietnam