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International Journal of Implant Dentistry
Published in: International Journal of Implant Dentistry 1/2022

Open Access 01-12-2022 | Computed Tomography | Research

Anatomical variations and accessory structures in the maxilla in relation to implantological procedures: an observational retrospective study of 212 cases using cone-bean computed tomography

Authors: Augusto Cimolai-de la Encina, Natalia Martínez-Rodríguez, Ricardo Ortega-Aranegui, Jorge Cortes-Bretón Brinkmann, José María Martínez-González, Cristina Barona-Dorado

Published in: International Journal of Implant Dentistry | Issue 1/2022

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Abstract

Purpose

This study used cone-beam computed tomography (CBCT) to analyze the prevalence of several maxillary anatomical/accessory structures, as well as variations within each type, assessing how accurate diagnosis can minimize the risk of intraoperative complications during implantological procedures in the oral cavity.

Methods

212 CBCT scans of the maxilla were analyzed, captured over a period of 18 months for surgical planning purposes. The prevalence of posterior superior alveolar arteries (PSAA), maxillary sinus septa (MSS), and branches of the canalis sinuosus (CS) were evaluated, as were the diameter and location of each anatomical structure in horizontal and vertical planes. P < 0.05 was considered statistically significant.

Results

PSAAs were observed in 99.1% of cases, the intrasinus type being the most frequent; MSS were noted in 15.6% of the sample, mainly in the posterior region with sagittal orientation; CS branches were observed in 50% of patients, mainly in relation to the incisors and significantly more prevalent among males.

Conclusions

The use of CBCT significantly increases the possibility of clearly identifying these anatomical structures. The differences found between patients highlight the importance of carrying out an exhaustive radiological study of the individual to prevent complications, such as Schneiderian membrane perforation, neurovascular damage or bleeding during surgery.

Graphical Abstract

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Metadata
Title
Anatomical variations and accessory structures in the maxilla in relation to implantological procedures: an observational retrospective study of 212 cases using cone-bean computed tomography
Authors
Augusto Cimolai-de la Encina
Natalia Martínez-Rodríguez
Ricardo Ortega-Aranegui
Jorge Cortes-Bretón Brinkmann
José María Martínez-González
Cristina Barona-Dorado
Publication date
01-12-2022
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Implant Dentistry / Issue 1/2022
Electronic ISSN: 2198-4034
DOI
https://doi.org/10.1186/s40729-022-00459-7

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