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Evaluating the Barrier Function, Regenerative Capacity, and Soft Tissue Outcomes of Acellular Dermal Matrix
A Prospective, Double-Arm, Randomized Controlled Trial Evaluating the Barrier Function, Regenerative Capacity, and Soft Tissue Outcomes of Acellular Dermal Matrix Compared to Resorbable Collagen Membranes in Edentulous Ridge Augmentation
Who can join
Ages 18 to 85 · All sexes · Healthy volunteers welcome
Full eligibility criteria
Inclusion Criteria: * English speaking * At least 18 years old * Must be a patient of the UAB Dental School * Able to read and understand informed consent document * Patients presenting with a diagnosed need horizontal ridge augmentation with GBR without simultaneous implant placement, to allow for future dental implant placement. * Presence of periodontally healthy, non-carious neighboring teeth and/or healthy restored dental implants on either side of the edentulous span planned for GBR, or unhealthy adjacent teeth to be extracted during the same visit. * ≤4 mm ridge width in a Seibert Class I Edentulous span19 * No anticipated need for surgical and/or endodontic care at planned teeth adjacent to the proposed surgical site during the study period. Exclusion Criteria: * Non-English speaking * Less than 18 years old * Smokers/nicotine users (defined as currently reporting use of any form of tobacco/nicotine products) * Patients with systemic pathologies or conditions contraindicating oral surgical procedures or adversely affecting wound healing, including: * Uncontrolled diabetes (HbA1c \> 7%) * Untreated periodontal disease * History of head/neck radiation * IV bisphosphonates * Immunocompromised state * Pregnancy * Acute infection at site * Documented or suspected allergy or sensitivity to any study product
About the study
This investigator-initiated study will compare ADM and resorbable cross-linked collagen membrane barriers for guided bone regeneration at atrophic lateral ridge augmentation sites.
What is being tested
- Guided Bone Regeneration with ADM (AlloDerm) as a barrier (procedure)
- Guided Bone Regeneration with Resorbable Crosslinked Collagen Matrix (Mem-Lok) as a barrier (procedure)
Sponsor: University of Alabama at Birmingham · Participants: 70 · Started: Sep 10, 2026
Contact the study team
- Maria Geisinger, DDS, MS · Phone: 205-934-4984
- Sarah Startley, DMD · Phone: 205-975-8711
Official record on ClinicalTrials.gov — NCT07613047
Locations in the U.S.
| Alabama | University of Alabama at Birmingham, Birmingham |
From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.