Abstract
Aim: Many of the anatomical structures of the cranium are used for gender determination. The aim of this study is to evaluate the usability of five angles belonging to the bone structure seen from the midsagittal plane with Computerized Tomography (CT) in determining gender.
Materials and Methods: Retrospectively, midsagittal CT images of 99 male and 101 female, a total of 200 people were examined. Five different angles were measured on the midsagittal bone structure. The results were evaluated statistically.
Results: It was determined that two angles, Rhinion-Spina Nasalis Anterior- Prosthion angle and Nasofrontal angle, could be used for gender determination with respectively 95.3% and 100% reliability. Rhinion-Spina Nasalis Anterior-Prosthion angle mean 135.75±8.68 degrees in male and 138.31±9.33 degrees in female, nasofrontal angle mean 119.64±10.10 degrees in male and 131.22±10.24 degrees in female were ascertained and the mean of both angles was significantly greater in women.
Conclusion: Our study shows that the Rhinion-Spina Nasalis Anterior-Prosthion angle and the Nasofrontal angle on the CT midsagittal bone image can be safely used for gender determination in anatomical, anthropometric and forensic studies.
Keywords: craniofacial bone, midsagittal, angles, determine, gender.
References
- Di Vella G, Campobasso CP, Dragone M, Introna F Jr. Skeletal sex determination by scapular measurements. Bollettino della Societa Italiano di Biologia Sperimentale 1994;70:299-305. https://www.academia.edu/68056585/Skeletal_sexdetermination_by_scapular_measurements
- Uthman AT, Al-Rawi NH, Al-Timimi JF. Evaluation of foramen magnum in gender determination using helical CT scanning, Dentomaxillofacial Radiology 2012;41 (3):197-202. doi: 10.1259/dmfr/21276789
- Okkesima A, Sezen Erhamzab T. Assessment of mandibular ramus for sex determination: Retrospective study. Journal of Oral Biology and Craniofacial Research 2020;10(4):569-572. doi: 10.1016/j.jobcr.2020.07.019
- Prabhat M, Rai S, Kaur M.et al. Computed tomography based forensic gender determination by measuring the size and volume of the maxillary sinuses. Journal of Forensic Dental Sciences 2016;8(1):40-46. doi: 10.4103/0975-1475.176950
- Sharifian H, Qorbanisani M, Tefagh G et al. Assessment of gender differences in temporal bone anatomy using computerized tomography scan ımages in Iranian people. Feyz 2019;23(1): 83-88. http://feyz.kaums.ac.ir/article-1-3694-en.html
- Gowda SN, Rachegowda N, Sakalecha AK et al. Determination of gender based on frontal sinus dimensions using multi-detector computed tomography. Journal of Clinical and Biomedical Sciences 2021;11(2):72-78.http://www.jcbsonline.ac.in/Articles/Volume11_Issue2/Original%20Article%2002.pdf
- Bayrak S, Göller Bulut D. Assessment of foramen magnum and clivus for estimation of age and gender using cone-beam CT. Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi 2019;29(2):244-251.https://dergipark.org.tr/tr/pub/ataunidfd/issue/44091/482950
- Debnath MS, Sharma D, Kotian RP, Dsouza B. Estimation of gender accuracy of an ındividual by zygomatic bone measurement using multi-detector computed tomography scan in Kannada population - a forensic study. International Journal of Health Sciences & Research 2019;9(9):65-69.https://www.ijhsr.org/IJHSR_Vol.9_Issue.9_Sep2019/11.pdf
- Uzun A, Ozdemir F. Morphometric analysis of nasal shapes and angles in young adults, Brazilian Journal of Otorhinolaryngology 2014;80(5):397-402. doi: 10.1016/j.bjorl.2014.07.010
- Kim TY, Baik JS, Park JY et al. Determination of midsagittal plane for evaluation of facial asymmetry using three-dimensional computed tomography. Imaging Science in Dentistry 2011; 41:79-84. doi: 10.5624/isd.2011.41.2.79
- Durum Polat Y, Tellioğlu AM, Şahmelikoğlu AG et al. Cinsiyet tayininde maksiller ve frontal sinus çaplarının kullanımı: hangisi daha önemli? Cerrahpaşa Medical Journal 2020; 44(1):27-34. doi: 10.5152/cjm.2020.19013
- Sharma SK, Jehan M, Kumar A. Measurements of maxillary sinus volume and dimensions by computed tomography scan for gender determination, Journal of The Anatomical Society of India 2014;63:36-42. doi:10.1016/j.jasi.2014.04.007
- Maskey S, Shrestha R. Cephalometric approach to vertical facial height. Orthodontic Journal of Nepal 2019;9 (1):54-58. doi: 10.3126/ojn.v9i1.25692
- Zhongtai Y, Xue X, Ahmatjian A.et al. The craniofacial morphology in adult patients with unoperated ısolated cleft palate. Bone Research 2013;2:195-200. doi: 10.4248/BR201302008
- Okeke C, Omaballa T. Angular photogrammetric analysis of facial profile of Igbos of Anam Community of Nigeria Rev Arg de Anat Cli 2020;12(2):90-97. doi: 10.31051/1852.8023.v12.n2.27517
- Polat S, Kabakci AG, Cevik Yet al. Facial angle profiles in Turkish healthy population. Journal of Evolution of Medical and Dental Sciences 2020;9 (14):2278-4748. doi: 10.14260/jemds/2020/258
- Abuhijleh E, Warreth A, Qawadi M.et al. The open dentistry journal mandibular gonial angle measurement as a predictor of gender-a digital panoramic study. The Open Dentistry Journal 2019;13:399-404. doi:10.2174/1874210601913010399
- Ganiger CR, Krishna Nayak US, Cariappa KU et al. Maxillomandibular plane angle bisector (mm) adjunctive to occlusal plane to evaluateanteroposterior measurement of dental base. The Journal of Contemporary Dental Practice 2012;13(4):539-544.doi: 10.5005/jp-journals-10024-1182
Corresponding Author
Prof. Dr Rengin Kosif
Kırıkkale University, Medical Faculty, Department of Anatomy, Yahşihan/Kırıkkale, Turkey