Wearing a mouth appliance designed to moe the lower jaw forward can be an effectie way to reduce snoring and improe sleep apnea symptoms, according to a May 2007 study in Otolaryngology Head and Neck Surgery.

• 据《耳鼻咽喉头颈外科杂志》二零零七年五月刊上登载的研究报道：已经成功设计一种使下颌前移的开口器械，佩带这种开口器能有效的减轻打鼾和改善睡眠呼吸暂停综合征。