Introduction Snoring and obstructive sleep apnea (OSA) are common sleep-related problems that can affect both health and quality of life. For many people, lifestyle changes, positional therapy, and nasal treatments are helpful, but sometimes additional solutions are needed. Mandibular Advancement Devices (MADs) are one of the most widely used oral appliances designed to reduce snoring and mild-to-moderate sleep apnea. They work by repositioning the lower jaw (mandible) to keep the airway open during sleep. This article explores how MADs work, their benefits, limitations, and important considerations before choosing one. How Mandibular Advancement Devices Work Mechanism of Action Who Typically Benefits…