J Dent Rehabil Appl Sci.  2021 Mar;37(1):48-60. 10.14368/jdras.2021.37.1.48.

Orthodontic intrusion treatment of mandibular anterior teeth in a periodontal patient with hyperdivergent skeletal pattern: 8-year follow-up

• Kwon EY
• Jung KH
• Park SB
• Kim Ss
• Kim Yi
• Choi Yk

• KMID: 2525978
• DOI: http://doi.org/10.14368/jdras.2021.37.1.48

Abstract

Patients who have extruded anterior teeth and deep bite with pathologic tooth migration, it is necessary not only periodontal treat-ment for reduce inflammation, but also orthodontic treatment for intrusion of anterior teeth. However, it is difficult to place the orthodontic brackets due to the deep bite, and there is a problem that the extrusion of the posterior teeth occurs more easily than the intrusion of the anterior teeth biomechanically. In particular, in patients with long face, relative intrusion of the anterior teeth by extrusion of the posterior teeth causes the clockwise rotation of the mandible and makes the facial profile worse. Therefore the biomechanical consideration and appliance design that can block these problems are required from the treatment plan. This is a patient who had a deep overbite with extruded anterior teeth, treated by treatment and intrusion of mandibular anterior teeth using cute brackes and miniscrews, and resulted in favorable maintenance during 8-year retention.

Keyword

periodontitis; tooth intrusion; deep bite; orthodontic anchorage

Reference

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