American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics · 2020
Evaluation of anterior open bite correction in patients treated with maxillary posterior segment intrusion using zygomatic anchorage.
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Akan Burçin, Ünal Beyza Karadede, Şahan Ahmet Oğuz, Kızıltekin Rana
Аннотация
INTRODUCTION: This study aimed to investigate dentofacial changes in patients treated with maxillary molar intrusion with zygomatic anchors.
METHODS: The study group was composed of 19 patients with anterior open bite who had intrusion of the posterior dentoalveolar segment using an acrylic appliance supported by bilateral zygomatic miniplates. The study was carried out on lateral cephalograms of the subjects taken before treatment and after intrusion.
RESULTS: Cephalometric changes obtained with maxillary molar intrusion were statistically significant. ANB, Wits, SN-GoGn, PP-MP, ANS-Me, NA-APo, SN-OP, U1-OP, U6-NF, overjet, and overbite values were also statistically significant.
CONCLUSIONS: Posterior dentoalveolar intrusion by zygomatic anchorage was an effective method for anterior open bite treatment. Although overbite and vertical skeletal measurements changed because of posterior dentoalveolar intrusion, the soft tissue was not significantly affected.
METHODS: The study group was composed of 19 patients with anterior open bite who had intrusion of the posterior dentoalveolar segment using an acrylic appliance supported by bilateral zygomatic miniplates. The study was carried out on lateral cephalograms of the subjects taken before treatment and after intrusion.
RESULTS: Cephalometric changes obtained with maxillary molar intrusion were statistically significant. ANB, Wits, SN-GoGn, PP-MP, ANS-Me, NA-APo, SN-OP, U1-OP, U6-NF, overjet, and overbite values were also statistically significant.
CONCLUSIONS: Posterior dentoalveolar intrusion by zygomatic anchorage was an effective method for anterior open bite treatment. Although overbite and vertical skeletal measurements changed because of posterior dentoalveolar intrusion, the soft tissue was not significantly affected.