Platelet Rich Fibrin in the Treatment of Localized Gingival Recessions

NCT ID: NCT01793389

Last Updated: 2013-08-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

22 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-01-31

Study Completion Date

2011-11-30

Brief Summary

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The present study deals with treatment of localized gingival recessions. The hypothesis of this study is that platelet rich fibrin can be used an alternative to subepithelial connective tissue graft in the coverage of denuded roots. If the platelet rich fibrin will prove to be similarly effective as subepithelial connective tissue graft, it will be possible to avoid a donor site and to decrease patient discomfort after operation.

Detailed Description

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The main objective of this split-mouth, randomized, controlled clinical trial was to compare the clinical efficacy of platelet rich fibrin (PRF) in combination with the coronally advanced flap (CAF) to the use of subepithelial connective tissue graft (SCTG) in combination with CAF in the treatment of localized gingival recessions.

Primary outcome variables were percentage of complete root coverage and change in gingival recession expressed as recession reduction in millimeters at follow-up visits. The secondary outcome variables included keratinized tissue and gingival thickness gain.

Sample size has been estimated in 22 subjects per treatment groups. Random allocation of the treatment sites to test (CAF+ PRF) and control (CAF + SCTG) groups will be performed using a computerized selection of random numbers for allocation of the study groups.

Periodontal parameters including plaque index (25) (PI), gingival index (26) (GI), probing depth (PD), clinical attachment level (CAL), and gingival recession parameters including recession depth (RD), recession width (RW), recession area (RA), keratinized tissue width (KTW), gingival thickness (GT) were assessed by a calibrated examiner. At baseline and 1, 3 and 6 months, RD, RW, RA, KTW were evaluated by means of both clinical and digital assessment. GI and PI were recorded at baseline and 1, 3 and 6 months, however PD, CAL, and GT were evaluated at baseline and 6 months. PD and CAL were recorded by a Williams probe accurate to the nearest 0.5 mm. GT was evaluated at baseline and 6 months using #15 endodontic reamer attached to a rubber stopper inserted perpendicularly into the gingival tissue 2 mm below the gingival margin; thickness was measured to the nearest 0.1 mm using a caliper.

Clinical images obtained at baseline and 1, 3 and 6 months after surgery from each treatment site and digitized in a computer image analysis system. Using a 4-mm length wire was used to check the reproducibility of the pictures. RD was measured from the cement-enamel junction (CEJ) to the gingival margin, RW was measured tangentially at the mid-facial CEJ, RA was calculated as the area within the contour of denuded root. KTW recorded as the distance from the mucogingival junction (MGJ) to the gingival margin. Duplicate measurements were made for RD, RW, RA and KTW. Percent root coverage and complete root coverage was calculated RA according to the following standard formulae.

Follow-up of subjects will be 6 months.

Conditions

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Gingival Recession

Keywords

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gingival recession fibrin connective tissue root coverage microsurgery case-control studies

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Subepithelial connective tissue graft

Soft tissue harvested from palatum of the subjects.

Group Type ACTIVE_COMPARATOR

Subepithelial connective tissue graft

Intervention Type PROCEDURE

Platelet Rich Fibrin

Autogenous platelet and leukocyte fibrin material was obtained from blood.

Group Type EXPERIMENTAL

Platelet Rich Fibrin

Intervention Type PROCEDURE

Interventions

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Subepithelial connective tissue graft

Intervention Type PROCEDURE

Platelet Rich Fibrin

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Similar bilateral or contralateral Miller Class I or II localized gingival recessions at least ≥ 2 mm located on incisors, canines or premolars on both jaws
* Identifiable CEJ
* Age ≥ 18 years
* Presence of tooth vitality and absence of restorations and superficial caries in the area to be treated
* No periodontal surgical treatment in the previous 24 months on the involved sites
* Gingival thickness at least ≥ 0.8 mm for the recession area
* Sufficient palatal donor tissue for the indicated SCTG.

Exclusion Criteria

* Smoking
* Patients with a pregnancy or lactation period or self-reported history of antibiotic medication within three months
* Molar, mobile or teeth with crown or filling were also excluded.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Ege University

OTHER

Sponsor Role lead

Responsible Party

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Gülnihal Eren, Research Asisstant

Dr.

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Gülnihal Eren, PhD

Role: PRINCIPAL_INVESTIGATOR

Ege University School of Dentistry

Gül Atilla, Professor

Role: STUDY_DIRECTOR

Ege University School of Dentistry

Locations

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Ege University School of Dentistry Department of Periodontology

Izmir, , Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

Other Identifiers

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2010-Dis-002

Identifier Type: -

Identifier Source: org_study_id