Related Experiment Video
Updated: May 27, 2026

05:09
Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
Published on: April 28, 2023
Vestibuloplasty: allograft versus mucosal graft
H M Hashemi1, A Parhiz, S Ghafari
1Oral and Maxillofacial Surgery, Shariati Hospital, Tehran University of Medical Science, Tehran, Iran. hamid5212@yahoo.com
International Journal of Oral and Maxillofacial Surgery
|November 26, 2011
Summary
This study compared alloderm and mucosal grafts for vestibuloplasty. Results show alloderm is as effective as mucosal grafts for improving vestibule depth and reducing relapse.
Area of Science:
- Oral and Maxillofacial Surgery
- Regenerative Medicine
Background:
- Vestibuloplasty is a surgical procedure to deepen the oral vestibule.
- Graft materials are essential for successful vestibuloplasty outcomes.
- Alloderm and mucosal grafts are commonly used, but their comparative efficacy needs further investigation.
Purpose of the Study:
- To compare the efficacy of alloderm and mucosal grafts in vestibuloplasty.
- To evaluate vestibule depth and graft relapse over time.
- To determine the optimal graft material for vestibuloplasty procedures.
Main Methods:
- A randomized controlled trial with a split-mouth design was conducted on 20 edentulous patients.
- Vestibuloplasty was performed using the Clark technique, with half the vestibule covered by alloderm and the other half by mucosal graft.
- Vestibule depth and relapse were measured immediately and at 1, 3, and 6 months post-surgery.
Main Results:
- The width of fixed tissue in the alloderm graft was significantly lower than in the autograft at 1, 3, and 6 months (P<0.05).
- No statistically significant difference in relapse was observed between the alloderm and mucosal grafts at any time point.
- Both graft types demonstrated successful vestibuloplasty outcomes.
Conclusions:
- Alloderm is as effective as mucosal grafts for vestibuloplasty.
- Further research is warranted to explore long-term outcomes and patient-reported satisfaction.
- Graft selection should consider patient-specific factors and surgical goals.
