Upper airway surgery may be considered when CPAP and oral devices fail, with procedures targeting the soft palate

https://www.slideserve.com/nuallaqqkj/sleep-apnea-oral-appliance-care-maintenance-tips-for-better-results

Upper airway surgery may be considered when CPAP and oral devices fail, with procedures targeting the soft palate, tongue base, or nasal structures to reduce obstruction.