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Evaluation of facial asymmetry by stereophotogrammetry in individuals with unilateral maxillary impacted canine

Stereophotogrammetrische Evaluierung der Gesichtsasymmetrie bei einseitig impaktiertem Oberkiefereckzahn

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Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie Aims and scope Submit manuscript

Abstract

Purpose

The aim of this study is to compare the symmetry of the facial and dentoalveolar structures of patients with unilateral impacted maxillary canine teeth with a control group of individuals without impacted teeth using three-dimensional face scans.

Methods

The study included 28 patients (10 females, 18 males) with unilateral impacted maxillary canine teeth and 28 patients (15 females, 13 males) without any impacted maxillary canine between 12 and 25 years of age. The 3dMDface™ (3dMD Inc., Atlanta, GA, USA) imaging system was used to obtain 3D face images. 3dMD Vultus® (3dMD Inc., Atlanta, GA, USA) software was used for the measurements.

Results

According to the study findings, there were differences in linear measurements and volume measurements between the right and left sides of the face in patients with an impacted canine. However, these differences were not statistically significant. In patients with an impacted canine, surface differences between the right and left halves of the face were not found to be statistically different from the control group.

Conclusion

There was no difference in the amount of facial asymmetry between patients with unilateral maxillary impacted canine and patients with normal tooth alignment in the control group.

Zusammenfassung

Zweck

Ziel dieser Studie ist es, die Symmetrie der fazialen und dentoalveolären Strukturen von Patienten mit einseitig retiniertem Eckzahn im Oberkiefer anhand einer 3‑D-Untersuchung mit der einer Kontrollgruppe bestehend aus Patienten ohne retinierte Zähne zu vergleichen.

Methoden

Die Studie umfasste 28 Patienten (10 Frauen, 18 Männer) mit einseitig retinierten Eckzähnen im Oberkiefer und 28 (15 Frauen, 13 Männer) ohne retinierte Eckzähne im Oberkiefer zwischen 12 und 25 Jahren. Das Bildgebungssystem 3dMDface™ (3dMD Inc., Atlanta, GA, USA) wurde für 3‑D-Gesichtsaufnahmen verwendet, die Software 3dMD Vultus® (3dMD Inc., Atlanta, GA, US) für die Messungen.

Ergebnisse

Bei Patienten mit einem retinierten Eckzahn zeigten sich Unterschiede bei linearen Messungen wie bei Volumenmessungen zwischen rechter und linker Gesichtsseite. Diese Unterschiede waren jedoch statistisch nicht signifikant. Hinsichtlich der Oberflächenunterschiede zwischen rechter und linker Gesichtshälfte bestanden keine statistisch signifikanten Differenzen zwischen der Gruppe von Patienten mit einem retinierten Eckzahn und der Kontrollgruppe.

Schlussfolgerung

Es gab keinen Unterschied im Ausmaß der Gesichtsasymmetrie zwischen Patienten mit einseitig retiniertem Oberkiefereckzahn und Patienten mit normaler Zahnausrichtung in der Kontrollgruppe.

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Authors and Affiliations

  1. Private practice, Izmir, Turkey

    Ahmet Oğuz Şahan

  2. Department of Orthodontics, Faculty of Dentistry, Izmir Katip Celebi University, 35640, Izmir, Turkey

    Burçin Akan DDS, PhD

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  1. Ahmet Oğuz Şahan
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  2. Burçin Akan DDS, PhD
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Correspondence to Burçin Akan DDS, PhD.

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A.O. Şahan and B. Akan declare that they have no competing interests.

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This research was approved by the Research and Ethics Committee of Izmir Katip Celebi University of Medicine and Health Sciences (Ref. No. 54). Written informed consent to participate and for publication was obtained from all participants included in the study.

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Şahan, A.O., Akan, B. Evaluation of facial asymmetry by stereophotogrammetry in individuals with unilateral maxillary impacted canine. J Orofac Orthop 82, 226–235 (2021). https://doi.org/10.1007/s00056-021-00285-3

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  • DOI: https://doi.org/10.1007/s00056-021-00285-3

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