To assess the efficacy of minimally invasive Vestibular Incision Subperiosteal Tunnel Access (VISTA) with collagen membrane and Advanced Platelet-rich Fibrin (A-PRF) in the treatment of multiple buccal gingival recession type 1(RT1) Cairo Classification.

Inclusion Criteria:

• (18-50) years old with at least 2 sites with gingival recession type (RT1) Cairo Classification (GR with no interdental attachment loss). The interdental CEJ is not detectable clinically on the labial surfaces of the teeth.
• Recession in the maxillary anterior region ≥1 mm of attached gingiva, pocket depth (PD) of <3 mm, recession depth (RD) ≥2 mm, and gingival index (GI) score ≤1.
• Systemically healthy, willing individuals with good oral hygiene and without contraindications for surgical interventions

Exclusion Criteria:

• the presence of severe systematic diseases or immunodeficiency and contraindicated with surgical interventions.
• Allergies to medicaments used in the treatment process.
• Patients with removable or fixed dentures.
• Patients with cervical abrasion, direct and indirect restorations involving the cervical areas of the maxillary anterior.
• Participants with smoking, tobacco chewing, and alcohol consumption.
• The presence of high frenal attachment and participants who had previously undergone any periodontal surgical procedure or regenerative therapy in the past 1 year at the same site of the planned treatment.