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. 2020 Oct;158(4):547-554.
doi: 10.1016/j.ajodo.2019.09.018. Epub 2020 Aug 19.

Evaluation of anterior open bite correction in patients treated with maxillary posterior segment intrusion using zygomatic anchorage

Burçin Akan  1 , Beyza Karadede Ünal  2 , Ahmet Oğuz Şahan  2 , Rana Kızıltekin  2
Affiliations

Evaluation of anterior open bite correction in patients treated with maxillary posterior segment intrusion using zygomatic anchorage

Burçin Akan et al. Am J Orthod Dentofacial Orthop. 2020 Oct.

Abstract

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.

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Comment in

  • Small sample size limits the usefulness of anterior open bite study.
    Jain S, Jain S, Kuriakose M. Jain S, et al. Am J Orthod Dentofacial Orthop. 2021 Mar;159(3):e203. doi: 10.1016/j.ajodo.2020.11.027. Am J Orthod Dentofacial Orthop. 2021. PMID: 33641826 No abstract available.
  • Authors' response.
    Akan B, Ünal BK, Şahan AO, Kızıltekin R. Akan B, et al. Am J Orthod Dentofacial Orthop. 2021 Mar;159(3):e205. doi: 10.1016/j.ajodo.2020.12.008. Am J Orthod Dentofacial Orthop. 2021. PMID: 33641827 No abstract available.

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