An adjustable dental device for use with a CPAP system in the treatment of sleep apnea and snoring is comprised of an upper bite block, a lower bite block having one or more tongue retainers, means for adjustably connecting the upper bite block to the lower bite block, and means for connecting the dental device to a CPAP system. The adjustable dental device is compatible with a variety of CPAP systems, including systems that utilize nasal inserts and systems that utilize a nasal mask.
