PURPOSE: An oral device preventing snoring caused by mandibular type lower jaw advancement which enables small movement of a lower jaw and a temporomandibular joint is provided to prevent snoring and a sleep apnea syndrome by smoothening the supply of oxygen through a horizontal thorough hole in the center of a base which supports and forms an upper tooth fixing groove and a lower tooth operating groove as a uniform body.CONSTITUTION: An oral device preventing snoring caused by mandibular type lower jaw advancement which enables small movement of a lower jaw and a temporomandibular joint comprises an upper tooth fixing groove (51) which accommodates upper tooth in a fixed state a lower tooth operating groove (61) which accommodates the lower tooth in a vertical direction with distance of 0.5-2.0 millimeters and to a horizontal direction with distance of 0.3-0.5 millimeters enabling movement a maxillomandibular frame which forms the upper tooth fixing groove and the lower tooth operating groove in a uniform body and a horizontal thorough hole (54) which is formed in the maxillomandibular frame on a corresponding area of front tooth between the upper tooth fixing groove and the lower tooth operating groove.COPYRIGHT KIPO 2013본 발명은 윗니를 고정상태로 수용하는 윗니 고정홈(51)아랫니를 수직방향이격 0.5~2.0㎜, 일측 수평방향이격 0.3~0.5㎜로 이동 가능토록 수용하는 아랫니 가동홈(61)상기 윗니 고정홈(51)과 아랫니 가동홈(61)을 단일체로 형성하는 일체형 수용틀(50)상기 윗니 고정홈(51)과 아랫니 가동홈(61) 사이의 앞니 대응 부위의 상하악일체형틀(50)에 형성한 수평통공(54)을 포함하는 하악과 턱관절의 소범위운동을 허용하는 상하악일체형 하악전진코골이방지 구강장치이다.
