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Cephalometric Analysis of Hard and Soft Tissue Changes Following Anterior Maxillary Osteotomy Distraction in Cleft Maxillary Hypoplasia

Journal of Maxillofacial and Oral Surgery volume 20, pages 680–688 (2021)Cite this article

Abstract

Background

Nonsyndromic unilateral CLAP patients despite the best surgical efforts present with variable degree of maxillary hypoplasia after cleft palate repair. AMOD is an extension of anterior maxillary osteotomy where the resulting segment anterior to the chosen site of vertical corticotomy cut is distracted with the help of hyrax screw through a tooth-borne appliance.

Aims and Objectives

To analyze the hard and soft tissue profile changes following AMOD. To determine the ratio of soft tissue changes to the given extent of hard tissue movements.

Materials and Methods

Study group consisted of 25 patients with cleft maxillary hypoplasia reporting to the Department of OMFS, Coorg Institute of Dental Science. The preoperative and postoperative radiographs were taken followed by prediction tracing. In comparison of pre-op and post-op ceph mean improvement in hard tissue profile was seen at N-A by 2.84 mm, N-A-Pg by 2.52, ANS-Gn by 2.28 mm, N-ANS by 0.68 mm, 1-Nf by 0.32 and at PNS-ANS was 4.2 mm signifying improvement in middle third of face. Mean improvement in soft tissue profile at G-Sn-Pg angle by 1.2, G-Sn was 3.92 mm, nasolabial angle by 10.92, incisor exposure (Stm-1) by 0.24 mm and interlabial gap by 0.56 mm. On ratio and correlation of soft tissue changes to given extent of hard tissue change, with movement of point A and U1 resulted significant changes in Sn and Ls. Movement of ANS resulted in significant changes in pronasale and columella.

Conclusions

In our study significant improvement was seen in hard and soft tissue facial profile. In conclusion, AMOD is one of the emerging techniques to correct cleft maxillary hypoplasia which will have a defined definitive role to play in future.

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Authors and Affiliations

  1. Department of Oral and Maxillofacial Surgery, Sri Hasanamba Dental College and Hospital, Vidyanagar, Hassan, 573201, India

    Adarsh Lingeshbabu Pawar

  2. ABMSS/DCKH Cleft Centre, Indi, India

    Jayanth Basavapattana Shivasubramanya

  3. Kannur, India

    Shanavas Kolothu Parambil

  4. Department of Public Health Dentistry, Coorg Institute of Dental Science, Virajpet, Coorg, Karnataka, 571218, India

    Anand Shivamoga Raju

  5. Hitech Dental College, Bhubaneshwar, Odissa, 0674, India

    Abhitosh Debata

Authors
  1. Adarsh Lingeshbabu Pawar
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  2. Jayanth Basavapattana Shivasubramanya
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  3. Shanavas Kolothu Parambil
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  4. Anand Shivamoga Raju
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  5. Abhitosh Debata
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Correspondence to Adarsh Lingeshbabu Pawar.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from the individual participant included in the case for the treatment as well consent was obtained for the photographs.

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Lingeshbabu Pawar, A., Basavapattana Shivasubramanya, J., Kolothu Parambil, S. et al. Cephalometric Analysis of Hard and Soft Tissue Changes Following Anterior Maxillary Osteotomy Distraction in Cleft Maxillary Hypoplasia. J. Maxillofac. Oral Surg. 20, 680–688 (2021). https://doi.org/10.1007/s12663-020-01404-0

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  • DOI: https://doi.org/10.1007/s12663-020-01404-0

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