Biotivity A-C Membrane Socket Preservation Study

Official title

Prospective, Assessment of Alveolar Ridge Preservation Using Biotivity™ Amnion Chorion Membranein Atraumatic Extraction Socket

Overview

This is a prospective, randomized controlled pilot clinical trial evaluating the efficacy of a human placental-derived amnion chorion membrane (Biotivity™ A/C Plus Membrane) versus a conventional collagen membrane in alveolar ridge preservation (ARP) following atraumatic extraction of single posterior teeth. A total of 12 subjects will be enrolled at the University of Maryland School of Dentistry. The study aims to assess both soft tissue wound healing and hard/soft tissue dimensional changes over a 5-month period prior to dental implant placement. Throughout the approximately 6-month study duration, participants will undergo oral exams, x-rays, surgical procedures, and follow-up visits. All participants will undergo routine tooth extraction, bone graft material and barrier placement, and dental implant placement. Participation in the study is voluntary, and the alternative is to continue routine dental care. Risks include minor discomfort from procedures such as tooth extraction and implant placement. The major benefit of participation in the study is the preservation of jaw dimensions following extraction, which will simplify the placement of a dental implant.

Detailed description

This randomized, controlled, parallel-arm clinical study investigates the use of Biotivity™ A/C Plus Membrane, a bioactive human amnion chorion-derived barrier membrane, in alveolar ridge preservation (ARP) of Type I or II extraction sockets. Subjects will be randomized to receive either the investigational amnion chorion membrane or a conventional collagen membrane (CopiOs Extend) over cancellous allograft (Puros®) after flapless tooth extraction in the premolar or molar region (excluding third molars).

The study will evaluate:

Primary outcome: soft tissue wound healing over 5 months using standardized wound healing indices.

Secondary outcomes: hard and soft tissue dimensional changes using CBCT and intraoral scanning, histologic evaluation of new bone formation, and implant placement feasibility.

Subjects will be followed across nine visits, including baseline (screening), ARP surgery, post-operative evaluations at multiple time points, and re-entry for implant placement at 5 months. The final implant-supported restoration will be delivered after implant integration, with continued follow-up for histologic and radiographic outcomes.

This study aims to determine whether the amnion chorion membrane provides superior soft tissue healing and volumetric bone preservation compared to conventional membranes in ARP procedures, with the goal of improving clinical outcomes in implant dentistry.

Interventions

• Device Amnion chorion membrane
  Alveolar ridge preservation of a single extraction socket site with a barrier membrane Biotivity™ A/C Plus.
• Device Collagen membrane
  Alveolar ridge preservation of a single extraction socket site with a barrier membrane CopiOs..

Primary outcome measures

• Soft Tissue Wound Healing Score Using Wound Healing Indices [Time frame: Over the course of the study (From the time of study enrollment Alveolar Ridge Preservation [Visit 2] to 5-month dental implant placement [Visit6].]

Secondary outcome measures (2)

• Radiographic measurement of Mean Change at 4 Months Measured by CBCT [Time frame: Over the course of the study (4 months, From the time of study enrollment Alveolar Ridge Preservation [Visit 2] to 6-month dental implant placement [Visit 9]).]
• Soft Tissue Change from Baseline to 4 Months Using Intraoral Scans [Time frame: Over the course of the study (4 months, From the time of study enrollment Alveolar Ridge Preservation [Visit 2] to 6-month dental implant placement [Visit 9]).]

Eligibility criteria

Inclusion criteria

• Provision of informed consent
• At least 18 years old
• In need of one posterior tooth (premolar or molar), excluding third molars, planned for extraction and replacement with a dental implant
• Type I or II extraction socket/ ridge identified at the time of enrolment with cone-beam CT scan
• At least one retained natural tooth adjacent to the study site

Exclusion criteria

• Insufficient interocclusal or interdental space to allow for an implant- supported prosthesis
• Previous interventions performed involving soft and/or bone grafting in the study site
• Active caries
• Uncontrolled periodontal disease present
• Evidence of active periapical, radicular, or endodontic lesions on teeth adjacent to study site
• History of recent extraction of an adjacent tooth (mesial and distal) to study site within 6 months of enrollment
• Current smoker with self-reported history of more than 10 cigarettes or equivalent per day
• Self-reported use of smokeless tobacco or e-cigarette
• Self-reported history of current alcohol or drug abuse
• Systemic or local disease or condition that would compromise bone metabolism, post-operative healing and/or osseointegration e.g. uncontrolled diabetes with self-reported most recent HbA1c > 8.0 within last six-month13,14
• Systemic corticosteroids or any other medication that would influence bone metabolism, post-operative healing, and/or osseointegration
• Pregnancy, as confirmed by a urine pregnancy test at screening.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Allocation

Randomized

Model

Parallel assignment

Masking

Single blind

Primary purpose

Treatment

Study locations

United States · 1 center

• University of Maryland School of Dentistry — Baltimore

Identifiers

NCT: NCT07091448 · HP-00114841

Primary sources (government registries)

• ClinicalTrials.gov (US NIH)

View this study on ClinicalTrials.gov ↗