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Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt

PURPOSE: The aim of this study was to investigate the prevalence of infraorbital canal protrusion in an Egyptian subpopulation using cone-beam computed tomography and to describe its radiographic representation. MATERIALS AND METHODS: This retrospective cross-sectional study was conducted using the...

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Autores principales: Eiid, Salma Belal, Mohamed, Amani Ayman
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Academy of Oral and Maxillofacial Radiology 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9807800/
https://www.ncbi.nlm.nih.gov/pubmed/36605860
http://dx.doi.org/10.5624/isd.20220077
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author Eiid, Salma Belal
Mohamed, Amani Ayman
author_facet Eiid, Salma Belal
Mohamed, Amani Ayman
author_sort Eiid, Salma Belal
collection PubMed
description PURPOSE: The aim of this study was to investigate the prevalence of infraorbital canal protrusion in an Egyptian subpopulation using cone-beam computed tomography and to describe its radiographic representation. MATERIALS AND METHODS: This retrospective cross-sectional study was conducted using the records of 77 patients and 123 maxillary sinuses. The full lengths of the sinuses were visible for the detection of infraorbital canal protrusion. The infraorbital canals were classified into 3 types based on their relation to the sinus. If the septum was present, its length and its distance from the sinus floor were measured. Qualitative and quantitative variables were described as percentages and means with standard deviations, respectively. RESULTS: The infraorbital canal most commonly presented as the normal confined type (detected in 78.1% of sinuses), whereas the suspended (or protruded) variant was found in 14.6% of the examined sinuses. The septal length ranged from 0.9 to 5.1 mm, with a mean of 2.8±1.1 mm. The distance to the sinus floor ranged from 5.2 to 29.6 mm depending on the sinus shape and size. CONCLUSION: The present study indicates that protrusion of the infraorbital canal is not rare, and surgeons that use the maxillary sinuses as corridors for their procedures must be more cautious, especially in the upper lateral confines of the sinus.
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spelling pubmed-98078002023-01-04 Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt Eiid, Salma Belal Mohamed, Amani Ayman Imaging Sci Dent Original Article PURPOSE: The aim of this study was to investigate the prevalence of infraorbital canal protrusion in an Egyptian subpopulation using cone-beam computed tomography and to describe its radiographic representation. MATERIALS AND METHODS: This retrospective cross-sectional study was conducted using the records of 77 patients and 123 maxillary sinuses. The full lengths of the sinuses were visible for the detection of infraorbital canal protrusion. The infraorbital canals were classified into 3 types based on their relation to the sinus. If the septum was present, its length and its distance from the sinus floor were measured. Qualitative and quantitative variables were described as percentages and means with standard deviations, respectively. RESULTS: The infraorbital canal most commonly presented as the normal confined type (detected in 78.1% of sinuses), whereas the suspended (or protruded) variant was found in 14.6% of the examined sinuses. The septal length ranged from 0.9 to 5.1 mm, with a mean of 2.8±1.1 mm. The distance to the sinus floor ranged from 5.2 to 29.6 mm depending on the sinus shape and size. CONCLUSION: The present study indicates that protrusion of the infraorbital canal is not rare, and surgeons that use the maxillary sinuses as corridors for their procedures must be more cautious, especially in the upper lateral confines of the sinus. Korean Academy of Oral and Maxillofacial Radiology 2022-12 2022-09-07 /pmc/articles/PMC9807800/ /pubmed/36605860 http://dx.doi.org/10.5624/isd.20220077 Text en Copyright © 2022 by Korean Academy of Oral and Maxillofacial Radiology https://creativecommons.org/licenses/by-nc/3.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0 (https://creativecommons.org/licenses/by-nc/3.0/) ) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Eiid, Salma Belal
Mohamed, Amani Ayman
Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title_full Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title_fullStr Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title_full_unstemmed Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title_short Protrusion of the infraorbital canal into the maxillary sinus: A cross-sectional study in Cairo, Egypt
title_sort protrusion of the infraorbital canal into the maxillary sinus: a cross-sectional study in cairo, egypt
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9807800/
https://www.ncbi.nlm.nih.gov/pubmed/36605860
http://dx.doi.org/10.5624/isd.20220077
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