Treatment of maxillary hypoplasia with a self-made tooth-borne distraction device / 实用口腔医学杂志

Objective: To evaluate the result of distraction osteogenesis in patients with pretnaxillary deficiency using a self-made tooth-borne distraction device. Methods: A self-made tooth-bome distraction device was used for advancement of the maxillary anterior segment in 28 patients. Results; 26 cases were corrected satisfactorily and have no any complications. In 2 cases the distraction device did not work during distraction. Conclusion: This device can improve the soft tissue profile and correct the space deficiency of the maxilla.

The treatment of scissors bite using maxillary molar retractor / 实用口腔医学杂志

In this paper,a maxillary molar retractor was introduced.It could control the direction of orthodontic force and provide a quick and easy solution for reposition of the tooth and correction of scissors-bite.