A device for treating sleep apnea, the device comprising a tongue attachment member and a maxilla attachment subassembly. The tongue attachment member is fabricated having a sheath interlock member extending upward from a dorsal side of a sheath. The sheath is shaped to conform to a surface of an individuals tongue. A tongue receiving cavity is formed within the sheath, the cavity comprising an opening provided at a proximal end for receiving the individuals tongue. The sheath is referenced having a dorsal side and a ventral side. A sheath interlock member extends outward from the dorsal side. The maxilla tray is shaped to conform to and removably engage with an individuals upper dental arch. A tray interlock member extends from an interlock side of the maxilla tray and is positioned to interlock with the sheath interlock member, whereby the system extends an individuals tongue forward to treat sleep apnea.
