Effect of Injectable Platelet-rich Fibrin (i-PRF) on Wound Healing After Gingivectomy (i-PRF-GIN)

August 21, 2026 updated by: Şeyma Çardakçı

Clinical and Biochemical Evaluation of the Effect of Injectable Platelet-rich Fibrin Applied to the Operation Site After Gingivectomy

This study evaluates the clinical and biochemical effects of injectable platelet-rich fibrin (i-PRF) on wound healing after gingivectomy, a surgical procedure used to treat gingival overgrowth. Using a split-mouth design, i-PRF was applied to the surgical site on one side of the mouth (test group), while the other side was treated with conventional gingivectomy alone, without any additional material (control group). Clinical periodontal parameters (plaque index, gingival index, probing depth, clinical attachment level, and bleeding on probing) were assessed at baseline, before surgery, and 28 days after surgery. Additionally, levels of PDGF, IGF-1, and IL-18 in gingival crevicular fluid were measured before surgery and on the third postoperative day to evaluate the biochemical impact of i-PRF on wound healing. A total of 31 participants aged 15-50 years were included in the study.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

31

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey (Türkiye)
    • None Selected
      • Ankara, None Selected, Turkey (Türkiye), 06220
        • Afyonkarahisar Health Sciences University, Faculty of Dentistry

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:Achieving an optimal level of oral hygiene following Phase I periodontal therapy

  • Presence of bilateral, symmetric chronic inflammatory gingival overgrowth in the anterior mandibular or maxillary region
  • Absence of attachment loss and bone loss at the surgical site
  • Absence of systemic conditions that could affect wound healing and periodontal surgical outcomes, such as uncontrolled diabetes, cancer, HIV, or metabolic bone diseases
  • No use of systemic corticosteroids, immunosuppressive agents, radiotherapy, and/or chemotherapy prescribed or taken within 2 months prior to the study intervention, which could affect study outcomes, wound healing, and the coagulation mechanism
  • Normal physiological hormonal balance

Exclusion Criteria:

Patients unable to achieve optimal oral hygiene or with poor compliance/communication

  • Presence of any systemic disease adversely affecting periodontal health and post-procedural wound healing (e.g., diabetes, rheumatoid arthritis, neurological disorders, pulmonary and renal diseases)
  • Use of medications known to cause gingival overgrowth, including immunosuppressants, anticonvulsants, and calcium channel blockers
  • Pregnancy or lactation in female participants
  • Presence of moderate to advanced gingivitis or periodontitis
  • Current smoking

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: i-PRF Group
In this split-mouth designed study, the right side of the jaw served as the test site. Following conventional gingivectomy, injectable platelet-rich fibrin (i-PRF) was applied to the surgical wound before placement of the periodontal dressing.
Biological: injectable Platelet-Rich Fibrin (i-PRF)
Autologous injectable platelet-rich fibrin, prepared by centrifugation of the patient's own venous blood, applied directly to the gingivectomy wound site.
Other Names:
  • gingivectomy
Procedure: Conventional Gingivectomy
Standard surgical excision of overgrown gingival tissue using periodontal knives.
Other: Control Group
In this split-mouth designed study, the left side of the jaw served as the control site. Conventional gingivectomy was performed and periodontal dressing was placed, without application of any additional material to the wound site.
Procedure: Conventional Gingivectomy
Standard surgical excision of overgrown gingival tissue using periodontal knives.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change in Gingival Crevicular Fluid (GCF) IL-18, IGF-1 and PDGF Levels
Time Frame: Immediately before surgery (baseline) and postoperative day 3
Immediately before surgery (baseline) and postoperative day 3

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Şeyma Çardakçı

Collaborators

Afyonkarahisar Health Sciences University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 1, 2022

Primary Completion (Actual)

July 1, 2023

Study Completion (Actual)

September 1, 2023

Study Registration Dates

First Submitted

August 21, 2026

First Submitted That Met QC Criteria

August 21, 2026

First Posted (Actual)

August 25, 2026

Study Record Updates

Last Update Posted (Actual)

August 25, 2026

Last Update Submitted That Met QC Criteria

August 21, 2026

Last Verified

August 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Sude1408
  • 2022/120 (Other Identifier: Afyonkarahisar Health Sciences University Clinical Research Ethics Committee (2011-KAEK-2))

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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