Abstract
The aim of this study was to report the case of a Class III prepuberal patient treated by a maxillary protraction using four miniscrews. The screws were installed between maxillary first molars and second premolars and between mandibular canines and first premolars. A 1/4˝ intermaxillary elastics were used in both sides, ligating the upper-lower screws to perform a maxillary protraction and correction of the Class III malocclusion. A bite plate made by resin flow was made on lingual surfaces of the mandibular incisors to eliminate occlusal interference. After 16 months of treatment, it was possible to see a significant improvement of patient’s facial profile, with overcorrection in overjet and preservation of the tissues and integrity of dental roots.
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