Treatment of Class II malocclusion with noncompliance miniscrew implant–supported distalization system

Treatment options of Class II malocclusion include extraoral headgears, functional appliances, and conventional full-fixed appliances with intermaxillary elastics or combined with tooth extractions. Various appliances have been used to distalize the maxillary molars. However, there are disadvantages, including laboratory time, patient compliance, and expenses. Despite the use of different components in the design of the appliance to prevent the anchorage loss, flaring of the anterior teeth and increased overjet usually take place to a significant extent. This case report describes the use of the miniscrew implant–supported sliding jigs distalization system (MISSJDS) for nonextraction treatment of a patient with a Class II malocclusion to distalize the maxillary molars in an invisible, noncompliant, and efficient way, without mesial movement and proclination of the anterior teeth.