Evaluation of Platelet-Rich Fibrin versus Collagen membranes in the treatment of dehiscence defects around dental implants. A Randomized Clinical Tria

Evaluation of Platelet-Rich Fibrin versus Collagen membranes in the treatment of dehiscence defects around dental implants. A Randomized Clinical Trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR201509000914264

Enrollment

Registered

2014-10-23

Start date

2014-10-01

Completion date

Unknown

Last updated

2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

the is no disease entity involved in the study

Interventions

Collagen membrane

Platelet Rich Fibrin (PRF)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Adult partially edentulous patients. 2.Healed alveolar ridge with buccolingual width < 6mm. 3.Adequate inter-arch space.

Exclusion criteria

Exclusion criteria: 1.Non-human subjects. 2.Non-submerged one-stage implantation. 3.Patients requiring immediate post-extraction implantation. 4.Studies applying bone graft alone to treat the dehiscence defect without a membrane and vice-versa. 5.Any systemic condition that may interfere with wound healing. 6.Pregnant females. 7.Smokers. 8.Incompliant patients or patients with poor oral hygiene.

Design outcomes

Primary

Measure	Time frame
Amount of bone fill of the dehiscence defect on re-entry	—

Secondary

Measure	Time frame
Thickness and quality of soft tissues;Pain and discomfort experienced by the patient post-surgically	—

Countries

Egypt

Contacts

Public ContactHassan Ahmad

hassan.ahmed@dentistry.cu.edu.eg00201015009014

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Feb 4, 2026