A night guard, also known as an occlusal guard or dental guard, is a dental device worn over the teeth at night to prevent damage caused by grinding or clenching. Night guards are custom-made to fit the individual's mouth and can be made from a variety of materials, including acrylic, silicone, and hard or soft plastics.
Night guards are used to treat a variety of dental problems, including temporomandibular joint (TMJ) disorders, bruxism (teeth grinding), and sleep apnea. TMJ disorders are characterized by pain and dysfunction in the jaw joint, while bruxism can lead to tooth damage, headaches, and jaw pain. Sleep apnea is a serious condition that can lead to heart disease, stroke, and other health problems.