Introduction: Gingival recession was treated with gum drop technique (GDT) along with pericardial membrane, advanced platelet rich fibrin (A-PRF) and injectable platelet rich fibrin (i-PRF) in the defect sites for regeneration of soft tissue.
Patient concerns: Several 3-4 mm of recession sites in the maxillary right and left canine and premolar region. These sites were selected and divided into two groups: A and B based on the application with A-PRF and pericardium, respectively. Probing pocket depth (PPD), clinical attachment level (CAL), recession height (RH), recession width (RW) and keratinized tissue width (KTW) were assessed. The keratinized tissue width (KTW) was measured as the distance between the marginal gingiva and the mucogingival junction.
Treatment: The defects were treated with the GDT following irrigation with i-PRF and followed up for 6 months. Both groups achieved significant root coverage which was stable even after 6 months post operatively. Keratinized tissue showed a 1 mm gain with pericardial membrane.
Keywords: Biological factors; gingival recession; guided tissue regeneration; microsurgery; platelet-rich fibrin.