FIELD: medical equipment for prevention and treatment of snore and gnashing of teeth. SUBSTANCE: the device has a working member, connecting member with a reducing shoulder on it, first and second confining members provided with slots. The internal working member has a universal shape, the external confining members can move, the internal working member is positioned below the level of arrangement of the external confining members. EFFECT: enhanced convenience in use, safety of the patient due to employment of an additional external confining member and prevention of biting-through of the connecting member due to its manufacture of polymeric material, type Vitur TM. 7 cl, 1 dwg
