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  • Title: Efficient usage of implant anchorage to treat overerupted maxillary first molar and mesially inclined mandibular molars.
    Author: Ohura R, Kuroda S, Takahashi T, Tomita Y, Tanaka E.
    Journal: Am J Orthod Dentofacial Orthop; 2011 Jan; 139(1):113-22. PubMed ID: 21195284.
    Abstract:
    This case report demonstrates the efficient use of implant anchorage in a patient with mesially inclined mandibular molars and an overerupted maxillary molar. A 14-year-old girl had an overerupted maxillary right first molar, possibly because of severely inclined mandibular right molars. Two-step use of miniplate anchorage in the right zygomatic process was proposed. As the first step, the overerupted maxillary first molar was intruded with elastic chains from the miniplate for 10 months. Then the maxillary right molars were distalized by using the miniplate to correct the Class II molar relationship. In the mandible, the first molar was extruded with intermaxillary elastics applied from the miniplate to the molar for 7 months after the uprighting of the mandibular right second molar. The results suggest that the use of 2-step implant anchorage is efficient for intrusion and distalization of maxillary molars and extrusion and uprighting of mandibular inclined molars.
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