Korean J Orthod.  2005 Dec;35(6):485-494.

Nonextraction treatment of Class II division 2 in an adult patient using microimplant anchorage (MIA)

• Chae JM

Abstract

Maxillary anterior teeth were intruded and lingually root torqued with two maxillary anterior microimplants between the lateral incisors and canines. Overerupted maxillary canines were intruded with two other microimplants between the maxillary canines and first premolars. Maxillary posterior teeth and canines were distalized, then the maxillary incisors were retracted with two maxillary posterior microimplants between the first and second molars. The mandibular anterior teeth were intruded and the mandibular posterior teeth were extruded with conventional method such as anterior bite plane, intrusion arch and Class II elastics. The mandible moved slightly forward after the correction of deep bite and retroclination of the upper incisors. Consequently, microimplant anchorage (MIA) provided absolute anchorage for simultaneous correction of Class II canine and molar relationships and deep overbite.

Keyword

Class II division 2; Microimplant anchorage (MIA); Intrusion; Lingual root torque

MeSH Terms

Adult*
Bicuspid
Humans
Incisor
Mandible
Molar
Overbite
Tooth