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Assessment of soft tissue changes after LeFort I advancement

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Abstract

Purpose

The aim of this retrospective study was to investigate the soft tissue changes after maxillary advancement in class III patients.

Methods

Pre- and post-operative lateral cephalometric radiographs of 20 patients treated with maxillary advancement surgery were included in our study. Skeletal, dental and soft tissue measurements were performed by a single researcher using Dolphin Imaging software version 11.95 (Dolphin Imaging, Chatsworth, CA, USA). Paired t test was used for statistical evaluation and p < 0.05 was considered statistically significant.

Results

The amount of motion in soft tissues, respectively, are UL-E: 2.05 mm, ST.A: 0.65 mm, ST.B: − 5 mm, ST.Pog: − 5.73 mm, ST.Conv: − 3.95 mm, nasal prominence: − 1.58 mm, nasal height: 2.76 mm and upper lip length: 2.22 mm. The change of distance to horizontal and vertical reference planes are, respectively, Prn-HRL: 3.02 mm Prn-VRL: 1.76 mm Sn-HRL: 2.76 mm Sn-VRL: 2.94 mm ST.A-HRL: 3.74 mm ST.A-VRL: 3.81 mm UL-HL: 3.93 mm UL-VRL: 4.57 mm LL-HRL: 2.29 mm LL-VRL: 5.31 mm.

Conclusions

It can be concluded that soft tissues related to maxilla moved anteriorly due to maxillary advancement.

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Data availability

The datasets generated and/or analyzed during the current study are not publicly available due to ethical approval but are available from the corresponding author and ethical committee on reasonable request.

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Funding

There is no funding body in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript.

Author information

Authors and Affiliations

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

    Burçin Akan, Gökçenur Gökçe & Beyza Karadede Ünal

  2. Department of Orthodontics, Faculty of Dentistry, Kirikkale University, Kirikkale, Turkey

    Türkan Sezen Erhamza

Authors
  1. Burçin Akan
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  2. Gökçenur Gökçe
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  3. Beyza Karadede Ünal
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  4. Türkan Sezen Erhamza
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Contributions

BKÜ and TSE contributed to the data collection and processing, analysis and interpretation, and critical reviews. GG and BA contributed to the data analysis and interpretation and manuscript preparation. BA contributed to the study concept and design and supervision. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Burçin Akan.

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Conflict of interest

The authors declare that they have no competing interests.

Ethics approval and consent to participate

This research does not involve human participants and/or animals. This research involves archival radiographic materials. This research was approved by the Research and Ethics Committee of Izmir Katip Celebi University of Medicine and Health Sciences (Ref. No. 359).

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Not applicable.

Informed consent

This was a retrospective data analysis study and it did not need informed consent.

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Akan, B., Gökçe, G., Karadede Ünal, B. et al. Assessment of soft tissue changes after LeFort I advancement. Eur Arch Otorhinolaryngol 278, 813–819 (2021). https://doi.org/10.1007/s00405-020-06295-y

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  • DOI: https://doi.org/10.1007/s00405-020-06295-y

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