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Use of a Custom-Made Acrylic Palatal Stent to Minimize Donor Site Morbidity After Suture-Free Epithelialized Gingival Graft Harvesting: A Randomized Clinical Trial
Sponsor: University of Turin, Italy
Summary
Epithelialized gingival graft (EGG) harvesting from the palate is associated with postoperative morbidity, including pain and bleeding, due to healing by secondary intention. The effectiveness of palatal stents in reducing donor-site morbidity, particularly in suture-free techniques, remains unclear. This randomized controlled clinical trial evaluates the effect of a custom-made acrylic palatal stent (APS) compared with no stent on postoperative outcomes following EGG harvesting. The primary outcome is postoperative pain assessed using a visual analog scale (VAS). Secondary outcomes include other patient-reported measures, clinician-reported healing, and exploratory assessments of tissue healing.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
44
Start Date
2025-01-07
Completion Date
2026-05-24
Last Updated
2026-07-02
Healthy Volunteers
Yes
Interventions
Custom-Made Acrylic Palatal Stent
A custom-made acrylic palatal stent (APS) will be fabricated prior to surgery based on an impression of the maxillary arch. The device will be thermoformed, trimmed, polished, and adjusted for proper fit and retention. Following epithelialized gingival graft (EGG) harvesting, the APS will be positioned over the palatal donor site to provide mechanical protection and stabilization of the blood clot. The stent will be worn continuously during the early healing phase according to the study protocol.
No Palatal stent
Following epithelialized gingival graft (EGG) harvesting, no protective device will be applied to the palatal donor site. Hemostasis will be achieved through local anesthesia only, without the use of sutures, pressure, or additional hemostatic agents. Healing will occur by secondary intention
Locations (1)
C.I.R. Dental School
Torino, Torino, Italy