Objective: The treatment of partial or complete denture installation can be challenged by a shallow vestibule. As a preventive, the vestibule must be deepened. The purpose of deepening the vestibule is to improve the esthetics and retention of the denture by increasing the width of the attached gingiva. Methods: The patient visited the Department of Periodontics, Dental and Oral Hospital Universitas Airlangga to eliminate tartar. The patient says that his maxillary front tooth had fallen out the day before and that he wished it replaced. A previous history of hypertension and takes amlodipine 10 mg daily regularly. Because the patient's vestibule is shallow, vestibuloplasty is required to deepen it. Conventional surgical procedures were used to perform vestibuloplasty. Results: One week post-surgical, there was minimal inflammation surrounding the stitches, periodontal pack falls out on the fifth day, and thread suture remains. On the 14th day, there was no inflammation and the clinical results were as expected. Conclusion: Vestibular deepening is effective in increasing the depth of the vestibule and the width of keratinized gingiva.