Orofacial complications associated with forward repositioning of the mandible in snore guard users.

Snoring and obstructive sleep apnea (OSA) result from a collapse of the tongue, soft palate, and pharynx, causing temporary airway blockage. Acrylic mandibular advancement splints and Herbst appliances are used to relieve snoring and mild OSA. Repositioning the mandible forward may have an adverse effect on the orofacial and dentoalveolar structures of susceptible individuals. This article reports two cases in which orofacial complications developed following the utilization of snore guard appliances.