PROBLEM TO BE SOLVED: To provide a detachable orthodontic appliance that imparts a persistent proper force to each of dentitions of upper and lower jaws from a deciduous dentition period to the formation and completion of permanent dentitions.SOLUTION: An orthodontic appliance is characterized in that shape memory alloys 3 are embedded in an outer peripheral wall 2, an inner peripheral wall 4 and an occlusal surface 5 of each of upper and lower jaws of a U-shaped mouthpiece 1 formed from an elastic material or a flexible material, respectively.COPYRIGHT: (C)2015,JPO&INPIT【課題】 乳歯列期から永久歯列の形成、完成に上下顎歯列各々に、持続的、適切な力を付与する着脱自在の歯科矯正装置に関する。【解決手段】 弾性材料または可撓性材料から形成されたU字型マウスピース1の上下顎各々の外周壁2、内周壁4、咬合面5にそれぞれ形状記憶合金3を埋入していることを特徴とする歯科矯正装置である。【選択図】図1
