Obturator prostheses with intramucosal retention system in patients with maxillectomy.

Purpose: To evaluate the intramucosal retention system in patients' masticatory efficiency and quality of life in this case series.

Material And Methods: A total of 3 individuals with maxillectomy were included for rehabilitation with a complete obturator prostheses with an intramucosal retention system (OPI). The complete obturator prostheses was made for 60 days, and electromyography assessments and bite force were applied before, after 30, 60, and 90 days of surgery and prostheses installation.