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VOLUME 14 , ISSUE 11 ( November, 2023 ) > List of Articles

ORIGINAL RESEARCH

Presurgical Cone-beam Computed Tomography Assessment of Maxillary Sinus Septa for Posterior Maxillary Implant Placement

Padmanaban A Kumar, Anjana Raut, Sadananda Hota, Aswini K Kar, Purnendu Bhushan, Arun K Mohanty

Keywords : Cone-beam computed tomography, Maxillary sinus, Posterior maxilla, Sinus augmentation, Sinus septa

Citation Information : Kumar PA, Raut A, Hota S, Kar AK, Bhushan P, Mohanty AK. Presurgical Cone-beam Computed Tomography Assessment of Maxillary Sinus Septa for Posterior Maxillary Implant Placement. World J Dent 2023; 14 (11):935-940.

DOI: 10.5005/jp-journals-10015-2337

License: CC BY-NC 4.0

Published Online: 16-01-2024

Copyright Statement:  Copyright © 2023; The Author(s).


Abstract

Aims: The present study was performed to determine the incidence, location, dimension, and type of maxillary sinus septa in the posterior maxilla using cone-beam computed tomography (CBCT) imaging for implant placement. Materials and methods: The inclusion and exclusion criteria resulted in a total of 100 participants. The Hyperion X9 CBCT scanner was used to do the CBCT, and the pictures were reconstructed using NNT image reconstruction software. The iRYS 8.0 and NNT viewer were used to evaluate the incidence, location, dimension, and type of maxillary sinus septa in the dentulous and edentulous posterior maxilla. Complete septa were further classified into septa with or without compartmentalization of the maxillary sinus into two separate cavities based on CBCT cross-sectional images. A measuring tool in the software Statistical Package for the Social Sciences (SPSS) was used to determine the average height and width of all septa. Results: Incidence of septa was comparatively higher in edentulous compared to dentulous and the most common type of septa found was incomplete septa. The mean height of septa among dentulous and edentulous individuals was 8.18 ± 3.39 and 8.63 ± 3.76 mm, respectively. The mean width of septa among dentulous and edentulous were 1.81 ± 0.49 and 2.27 ± 1.11 mm. A significant difference was reported for the anteroposterior width of the maxillary sinus (p < 0.05); dentulous having 32.03 ± 2.83 mm and edentulous having 31.11 ± 2.43 mm diameter. Conclusion: Within the study's constraints, it was discovered that when the septa are in near proximity to the sinus floor, it is recommended to eliminate the septa to avoid rupture of the Schneiderian membrane and get ahead with the augmentation. Prospective research is required to back up the conclusions stated. Clinical significance: Septa, or bony convolutions from the sinus floor, can be found during sinus augmentation treatments and implant planning in the atrophic posterior maxilla. Intraoperative difficulties are frequently caused by a lack of factual understanding about the maxillary sinus prior to executing a sinus lift treatment. Thus there is a need for a better understanding of presurgical evaluation of the maxillary sinuses.

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