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Original Article

Open bite treatment with skeletal anchorage

2008, Volumen 38, Número 2
Paloma Tortosa Royo, Marina Población, Ana Molina Coral, Andreu Puigdollers Pérez
Odontóloga. Máster en Ortodoncia y Ortopedia. Universitat Internacional de Catalunya. Sant Cugat del Vallès, Barcelona

Skeletal open bite has been recognized as the most difficult malocclusion to correct, because of the high frequency of relapse. Vertical control in clinical orthodontics is limited and requires excellent patient cooperation. Mini-implants and mini-plates have served as anchors to support difficult orthodontics movements. The treatment of non severe open bite malocclusion using skeletal anchorage is possible, by intruding posterior teeth using light elastic forces, then a desired anticlockwise mandibular autorotation is obtained. The mean intrusion movement is 2-3 mm per side. It is described a mean relapse of 20-30% after one year posttreatment, so is necessary overcorrect the molar intrusion to obtain the desired effect.  (Rev Esp Ortod. 2008;38(2):109-119)

Key words:
Miniscrews. Miniplates. Open bite. Long face. Posterior intrusion.
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