| abstract |
The utility model discloses a periodontal ligament leads to open osteogenesis device that removes molar in near, including setting up the first belt ring on the molar or the premolar in the scarce teeth area near and setting up the second belt ring on the removal molar in need near, first belt ring and second belt ring pass through the spiral and lead the opening ware and connect, the spiral stretches out the ware and sets up in the buccal surface side of tooth, the spiral draws and opens the ware and includes first buccal side slider, hob, nut, second buccal side slider and buccal side slide bar; the first tongue side sliding block and the second tongue side sliding block are arranged on the tooth tongue side; the first tongue side sliding block and the second tongue side sliding block are connected through a tongue side sliding rod and an elastic device. The utility model provides a long distance lead to the problem of molars deflection and slope when nearly well removal molars among the prior art. |