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KMID : 0980320230230050257
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Journal of Dental Anesthesia and Pain Medicine
2023 Volume.23 No. 5 p.257 ~ p.264
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Accessory infraorbital foramen location using cone-beam computed tomography
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Kim Hae-Won
Kumar K C
Jung Eun-Ji
Supak Ngamsom
Thongnard Kumchai
Sunya Ruangsitt
Teeranut Chaiyasamut
Natthamet Wongsirichat
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Abstract
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Background: Accessory infraorbital foramen (AIOF) can change the normal course of emerging branches of the infraorbital nerve and blood vessels exiting the infraorbital foramen (IOF). This study aimed to examine the AIOF, number of foramina, and their position in relation to IOF using cone-beam computed tomography (CBCT).
Methods: We performed a retrospective CBCT assessment of hospital records between January 2018 and August 2022. The CBCT of 507 patients were examined to extract information on the prevalence, number, position, linear distance from the IOF, and diameter of AIOF in relation to demographic factors. Descriptive statistics were used to evaluate the prevalence of AIOF. Mean and standard deviation were used to calculate the linear distance and diameter of the AIOF, respectively. The AIOFs, its distribution, and number were compared between sexes and sides using the chi-square test. The independent t-test and Mann?Mann-Whitney test were used to compare the mean difference between the sexes and sides. Statistical significance was set at P < 0.05.
Results: In this current study, the prevalence of AIOF was 7.1% (36 of the 507 patients). Additionally, the current study examined the number of foramina using a single foramen on each side and double foramina located bilaterally at a distance from the AIOF to the IOF. The mean AIOF diameter was also studied, and the AIOF position with respect to the IOF on CBCT was superomedial or inferomedial. There were no statistically significant associations between any of the parameters assessed in this study when comparing sex and sides.
Conclusions: A greater number of patients with AIOF presented with a single foramen and unilateral occurrence, without a statistically significant difference. The AIOF was most commonly located superomedial to the IOF.
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KEYWORD
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Accessory Infraorbital Foramen, Infraorbital Foramen, Prevalence, Thailand
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