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VOLUME 12 , ISSUE 4 ( October-December, 2022 ) > List of Articles

ORIGINAL RESEARCH

Assessment of Restoration of Nasal Volume and Nasal Area in Patients with Maxillectomy Defects Rehabilitated with Obturator Prosthesis Using Acoustic Rhinometry: A Preliminary Study

Kirandeep Singh, Vijaya Kumar Rajamani, EM Gowda, NSC Charles

Keywords : Acoustic rhinometry, Maxillectomy, Nasal area, Nasal volume, Obturator prosthesis

Citation Information : Singh K, Rajamani VK, Gowda E, Charles N. Assessment of Restoration of Nasal Volume and Nasal Area in Patients with Maxillectomy Defects Rehabilitated with Obturator Prosthesis Using Acoustic Rhinometry: A Preliminary Study. Int J Prosthodont Restor Dent 2022; 12 (4):181-184.

DOI: 10.5005/jp-journals-10019-1376

License: CC BY-NC 4.0

Published Online: 03-05-2023

Copyright Statement:  Copyright © 2022; The Author(s).


Abstract

Purpose: To evaluate the nasal volume and nasal area using acoustic rhinometry in patients with maxillectomy defects rehabilitated with obturator prosthesis. Materials and methods: A total of eight patients having maxillectomy defects rehabilitated with obturator prosthesis were assessed for nasal cross-sectional area (CSA) and nasal volume using Eccovision Acoustic Rhinometer system. The average nasal area and nasal volume in patients with maxillectomy defects were compared before and after rehabilitation with an obturator prosthesis. The statistical analysis was done using a paired t-test to compare nasal area and nasal volume before and after rehabilitation. Results: The mean ± standard deviation (SD) values of the nasal area and nasal volume showed statistically significant difference when compared with and without obturator prosthesis. The mean right nasal CSA before rehabilitation was 0.806 ± 0.158 mm2 and it significantly reduced to 0.218 ± 0.039 mm2 after the use of an obturator prosthesis (p < 0.0001). Similarly, the right nasal volume, which was 8.302 ± 1.229 cm3 significantly improved to 3.281 ± 0.44 cm3 after rehabilitation with obturator prosthesis (p < 0.0001). The average left nasal CSA and nasal volume were compared with and without prosthesis and they too showed a significant improvement from 0.677 ± 0.281 mm2 to 0.215 ± 0.038 mm2 and 8.81 ± 0.982 cm3 to 3.65 ±, 0.300 cm3, respectively (p < 0.0001). Conclusion: The assessment of pretreatment (postmaxillectomy) and posttreatment (postrehabilitation with obturator prosthesis) values of nasal volume and nasal area, when compared with standard values, clearly indicated that obturator prosthesis restored the nasal volume and area to the near normal.

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