| 摘要 |
FIELD: dentistry. ^ SUBSTANCE: after tooth root is subject to some wobbling in periodontal gap, root is removed. To remove tooth root, pin is introduced into it and fixed inside. Link member, pulling unit, is brought in contact with pin. Resting pulling unit is introduced into mouth cavity and daft force is applied to tooth to remove its root. Draft member, acting onto tooth root at its axial direction, is inclined inside draft unit in the direction being perpendicular to axial direction of tooth root. Device for removing tooth root has pin, introduced into tooth root and fixed inside it, draft member introduced into pin, and pulling unit connected with draft member. Pulling unit has elongated main case and pulling support mounted for shift in longitudinal direction relatively main case. Stressed pulling member, pulled between pin and draft support, rests against guide member connected with main case. ^ EFFECT: strong power at little force. ^ 14 cl, 4 dwg
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