Morphometric Analysis of the Supraorbital and Infraorbital Foramina Based on the Medial Canthus in Koreans (안쪽 눈꼬리점을 기준으로 한 한국인 눈확위구멍과 눈확아래구멍의 형태계측학적 분석)

Lee Myoung Hwa (이명화); 정구수; Sun-Kyoung Yu (유선경); 이광용; 김석; Lee Dong Seol (이동설); Kim, Heung Joong (김흥중)

doi:10.11637/aba.2012.25.4.145

Morphometric Analysis of the Supraorbital and Infraorbital Foramina Based on the Medial Canthus in Koreans

Anatomy & Biological Anthropology
Abbr : Anat Biol Anthropol
2012, 25(4), pp.145~151
DOI : 10.11637/aba.2012.25.4.145
Publisher : 대한체질인류학회
Research Area : Medicine and Pharmacy > Anatomy

Lee Myoung Hwa ¹, 정구수 ¹, Sun-Kyoung Yu ¹, 이광용 ¹, 김석 ¹, Lee Dong Seol ¹, Kim, Heung Joong ¹

¹조선대학교

Accredited

ABSTRACT

Knowledge of the location of the maxillo-facial foramina is essential for regional nerve blocks and endoscopic surgical procedures to avoid nerve injury passing through these foramina. The purposes of this study were to determine the locations of the supraorbital foramen (SOF) and the infraorbital foramen (IOF) related to medial canthus (MC), and to analyze the morphology of these foramina. Thirty-two embalmed cadavers (64 sides, mean age: 64.1 years) and 33 dry skulls (66 sides) were used. The distances from the SOF, IOF, and MC to facial midline were directly measured on the cadavers using digital Vernier caliper. The vertical and horizontal distances of the SOF and IOF relative to the medial canthus were indirectly measured on the digital photographs using image analyzer software. The vertical and horizontal diameters of the IOF, and its location in relation to maxillary tooth were evaluated on the dry skull. Statistical analysis was performed using one-way ANOVA with declaration of significant difference when P⁄0.05. The mean distances of SOF, MC, and IOF to the facial midline were 24.13 mm, 15.00 mm, and 29.11 mm, respectively. The SOF was located 18.99 mm superior and 9.05 mm lateral to the medial canthus. The distance between the medial canthus and the SOF was 22.67 mm, and the vertical angle (Angle 1) between these structures was 24.36􀆆superolaterally. The IOF was located 26.69 mm inferior and 13.53 mm lateral to the medial canthus. The distance between the medial canthus and IOF was 30.82 mm and the vertical angle (Angle 2) between these structures was 26.59􀆆inferolaterally. In the this study, spraorbital notch (SON) was found more frequently than the SOF. The mean vertical and horizontal diameters of IOF were 3.36 mm, 3.45 mm, respectively. IOF was most commonly found in the same vertical plane with the second upper premolar. In conclusion, these results are important for performing local anesthetic, facial plastic surgery, and other invasive procedures in the forehead and periorbital region to prevent injury of neurovascular bundles passing through these foramina.

KEYWORDS

Supraorbital foramen, Infraorbital foramen, Medial canthus, Neurovascular bundle

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Anatomy & Biological Anthropology 2023 KCI Impact Factor : 0.33

Morphometric Analysis of the Supraorbital and Infraorbital Foramina Based on the Medial Canthus in Koreans

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* References for papers published after 2023 are currently being built.

Anatomy & Biological Anthropology 2023 KCI Impact Factor : 0.33

Morphometric Analysis of the Supraorbital and Infraorbital Foramina Based on the Medial Canthus in Koreans

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