Clinical trial Recruiting at 1 site Interventional Ages 18 to 99

Improving gum tissue around teeth and implants using two grafting techniques

Official title: Gain of Keratinized Mucosa Around Teeth and Dental Implants Using a Combination of Strip Gingival Graft and Acellular Dermal Matrix

Run by University of Alabama at Birmingham · NCT04920136 · Data updated 2026-11-12

This study is testing two different methods to improve gum tissue around teeth and implants to see which one works better for patients.

Quick facts

Study typeInterventional
Ages18 Years to 99 Years
SexAll
Enrollment20 (estimated)
SponsorUniversity of Alabama at Birmingham
Academic / other
Locations1 site (Birmingham, Alabama)
StatusRecruiting
StartedSeptember 17, 2021
Main results expectedDecember 30, 2026
Study endsDecember 30, 2027
Registry record updatedJuly 22, 2026
Trial IDNCT04920136 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are English-speaking adults over 18 years old with teeth or implants lacking keratinized tissue.

Probably not a fit

Patients with active periodontal disease or systemic conditions that affect healing may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This investigation compares two techniques for enhancing the quality of gum tissue in areas lacking keratinized tissue. It is a randomized controlled trial that evaluates the effectiveness of a Free Gingival Graft (FGG) versus a combination of a Strip Gingival Graft (SGG) and Acellular Dermal Matrix (ADM). The study aims to determine which technique leads to better clinical outcomes, such as increased keratinized tissue and improved aesthetics, as well as patient-centered outcomes like pain and swelling. Participants will be monitored for changes in tissue quality and overall satisfaction with the results.

Why it matters

Potential benefit: If successful, this study could provide patients with improved gum tissue health and aesthetics around their teeth and dental implants.

How similar studies have gone: Other studies have shown promising results with similar grafting techniques, indicating potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* English speaking
* At least 18 years old
* Able to read and understand informed consent document
* Patients with teeth/implants lacking keratinized tissue.
* Must be a patient of the UAB Dental School
* Presence of periodontally healthy, non-carious neighboring teeth, healthy implants or edentulous ridges on either side of the involved site(s)

Exclusion Criteria:

* Non-English speaking
* Less than 18 years old
* Smokers/tobacco users (\>10 cigarettes/day)
* Patients with systemic pathologies or conditions contraindicating oral surgical procedures or adversely affecting wound healing
* Presence of active periodontal disease
* Previous soft tissue grafting at the site(s) to be treated

Where it's running

  • Unversity of Alabama at Birmingham, School of Dentistry
    Birmingham, Alabama, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.