not-yet-known not-yet-known not-yet-known unknown Abstract Radicular cysts in deciduous teeth can lead to root dilaceration in inherited permanent teeth, resulting in impacted permanent teeth. Early orthodontic traction should be performed to move the root from the bone cortex into the cancellous bone to obtain growth space. We presented an 11-year-old boy who underwent decompression and drainage of a radicular cyst in deciduous teeth, followed by early orthodontic traction of inherited permanent teeth with root dilaceration. After treatment, the radicular cyst in deciduous teeth healed, the orthodontic traction of inherited permanent teeth was in place, and favorable treatment outcomes were achieved.