PROBLEM TO BE SOLVED: To provide an orthodontic apparatus that can correct projecting teeth by a mouthpiece for covering up minimum necessary teeth.SOLUTION: An orthodontic apparatus 10 has: a mouthpiece 20 for front teeth installed so as to cover at least front teeth 3； far side locking means 30 installed at far side in an oral cavity 1 from the mouthpiece 20 for front teeth； and drawing means 40 for drawing the mouthpiece 20 for front teeth toward the far side locking means 30 by elastic force by being interposed between the mouthpiece 20 for front teeth and the far side locking means 30. The mouthpiece 20 for front teeth has: a body part 21 for covering up the teeth； and a locking part 25 positioned in a gum 5 side from the body part 21 and locking the drawing means 40.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】必要最低限の歯を覆うマウスピースで出っ歯を矯正することができる歯列矯正装置を提供する。【解決手段】少なくとも前歯３を覆うように設置される前歯用マウスピース２０と、前歯用マウスピース２０より口腔１内の奥側に設置される奥側係止手段３０と、前歯用マウスピース２０と奥側係止手段３０の間に介在させて、弾性力によって前歯用マウスピース２０を奥側係止手段３０の方に引っ張る引張り手段４０とを有する歯列矯正装置１０とした。前歯用マウスピース２０は、歯を覆う本体部２１と、本体部２１よりも歯茎５側に位置して引張り手段４０を係止する係止部２５とを有している。【選択図】図１
