J Dent Rehabil Appl Sci.  2019 Sep;35(3):180-190. 10.14368/jdras.2019.35.3.180.

Intrusion of the extruded maxillary central incisor using skeletal anchorage system and unilateral segmental intrusion arch

Affiliations
  • 1Dental Clinic Center, Pusan National University Hosptial, Busan, Republic of Korea. youngyng@hanmail.net
  • 2Department of Orthodontics, School of Dentistry, Pusan National University, Yangsan, Republic of Korea.

Abstract

Patients who have a moderate periodontitis with pathologic tooth migration of maxillary incisors, it is necessary not only periodontal treatment for reduce periodontal inflammation, but also orthodontic treatment to teeth repositioning. For orthodontic treatment, it is necessary to apply less force and careful considerations of the center of resistance of the tooth and optimal force of tooth movement. At this time, the segmental arch applied only to the target teeth, is more effective and predictable, because applied force and direction can be controlled. In addition, to design the orthodontic appliance that can prevent the unwanted tooth movement that used as an anchorage is important. In recent years, various types of skeletal anchorage system have been used for preventing loss of the anchorage. We reported the patient who had extruded maxillary central incisor due to pathologic tooth migration, treated by a successful periodontal-orthodontic multidisciplinary treatment using an orthodontic appliance designed to apply less traumatic force and reduce an anchorage loss.

Keyword

periodontitis; tooth migration; tooth intrusion; orthodontic wire; orthodontic anchorage
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