To provide an orthodontic brace for improving crowding of anterior teeth portion, reconstruction of dentition and reconstruction of chin position, promotion of growth and development of mandible, induction to an ideal position to improve lowering of tongue, orthodontics suitable for habitualization Providing equipment.SOLUTION: The front tooth row fitting portion of the upper jaw having a shape covering the upper tooth front portion of the set-up tooth model which represents the ideal maxillary anterior tooth portion and the lower jaw anterior tooth portion of the patient in a fitted state 1 and an orthodontic appliance main body 3 integrally molded with a lower jaw side front tooth row fitting portion 2 having a shape covering the lower tooth front anterior portion of the set-up dental model in a fitted state, wherein the orthodontic appliance main body 3 is formed of a resin material having elasticity or flexibility and a concave curved surface suitable for guiding the tongue obliquely upward forward is formed on the lingual side of the orthodontic appliance main body 3 And a tongue guiding portion 4 having the tongue guiding portion 4 is provided.BACKGROUND OF THE INVENTION【課題】前歯部の叢生改善、歯列矯正と顎位の再構築 下顎骨の成長発育促進及び、舌の低位改善となる理想的な位置への誘導、習慣づけを行うのに適した歯科矯正具の提供。【解決手段】患者の理想的な上顎前歯部及び下顎前歯部の歯列状態を表すセットアップ歯型模型の上顎側前歯部を嵌合した状態で覆う形状を有した上顎側の前歯列嵌合部1と、前記セットアップ歯型模型の下顎側前歯部を嵌合した状態で覆う形状を有した下顎側の前歯列嵌合部2が一体成形された歯科矯正具本体3から成り、歯科矯正具本体3が、弾性又は可撓性を備えた樹脂素材にて形成されており、当該歯科矯正具本体3の舌側には、舌を斜め上方前方に向かって誘導するのに適した凹状湾曲面を有した舌誘導部4が設けられている。【選択図】図1
