Insufficient Vestibular Sulcus Depth

This randomized controlled clinical study will evaluate whether the use of oxidized regenerated cellulose (Reoxcel Sigma Knit) in addition to standard Clark vestibuloplasty improves vestibular sulcus depth and patient comfort in individuals with insufficient vestibular depth. A total of 36 participants will be assigned to either Clark vestibuloplasty with oxidized regenerated cellulose or standard Clark vestibuloplasty with periodontal dressing. Vestibular sulcus depth and keratinized gingival tissue will be assessed before treatment and at 1 and 3 months after surgery. Postoperative pain and analgesic use will also be evaluated during the first 7 days after surgery.