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Background Craniometric data can be useful in the estimation of sex, age, stature, and ethnicity. Despite Nigeria’s diverse and multifaceted demography, there is a dearth of information on detailed morphometry of specific features of the Nigerian cranium. This study sought to provide detailed descriptions of various dimensions on the Nigerian mandibular bone, nose, foramen magnum, and orbit for use in clinico-anatomical studies, dentistry, anthropology, and forensic medicine. Using 33 skulls and 17 mandibles, without gender bias, obtained from the departmental museum, 17 parameters were measured linearly on each mandible and thirty-six parameters on each skull using a digital Vernier calliper. Mean and standard deviation of data sets generated were analysed using t-test at p < 0.05. Results The distance between the cranial and caudal angles of the mandible was 3.48 ± 0.21 mm. The distance from the rostral point of the dental bone to the condylar, coronoid, and angular processes was 4.86 ± 0.25 mm, 2.64 ± 0.52 mm, and 3.72 ± 0.30 mm, respectively. The distance between the most medial points of the most rostral left & right mental foramina in the skulls was 4.51 ± 0.17 mm. The distance between the most medial points of the most rostral left & right mental foramina in the skulls was 4.51 ± 0.17 mm. Most orbit skull types were megaseme in nearly 61%, and orbital asymmetry was also observed. However, the right orbit (26.07 ± 2.106) was significantly higher (p < 0.0001) than left orbit (24.80 ± 1.850). The most common shape of the foramen magnum was the oval-like foramen (78%). The common nose types were platyrrhine in 50% and mesorrhine in 26%. Conclusion Insights from this study might provide practical reference information for mandibular and orbital reconstructive surgeries in clinical settings, skull classification in forensic science, and research purposes.
Background Craniometric data can be useful in the estimation of sex, age, stature, and ethnicity. Despite Nigeria’s diverse and multifaceted demography, there is a dearth of information on detailed morphometry of specific features of the Nigerian cranium. This study sought to provide detailed descriptions of various dimensions on the Nigerian mandibular bone, nose, foramen magnum, and orbit for use in clinico-anatomical studies, dentistry, anthropology, and forensic medicine. Using 33 skulls and 17 mandibles, without gender bias, obtained from the departmental museum, 17 parameters were measured linearly on each mandible and thirty-six parameters on each skull using a digital Vernier calliper. Mean and standard deviation of data sets generated were analysed using t-test at p < 0.05. Results The distance between the cranial and caudal angles of the mandible was 3.48 ± 0.21 mm. The distance from the rostral point of the dental bone to the condylar, coronoid, and angular processes was 4.86 ± 0.25 mm, 2.64 ± 0.52 mm, and 3.72 ± 0.30 mm, respectively. The distance between the most medial points of the most rostral left & right mental foramina in the skulls was 4.51 ± 0.17 mm. The distance between the most medial points of the most rostral left & right mental foramina in the skulls was 4.51 ± 0.17 mm. Most orbit skull types were megaseme in nearly 61%, and orbital asymmetry was also observed. However, the right orbit (26.07 ± 2.106) was significantly higher (p < 0.0001) than left orbit (24.80 ± 1.850). The most common shape of the foramen magnum was the oval-like foramen (78%). The common nose types were platyrrhine in 50% and mesorrhine in 26%. Conclusion Insights from this study might provide practical reference information for mandibular and orbital reconstructive surgeries in clinical settings, skull classification in forensic science, and research purposes.
Özet: Antropometri; insan bedeninin fiziksel yapısını ölçme yöntemleriyle, boyut ve yapı özelliklerine göre sınıflandıran sistematik bir tekniktir. Yüzün ana hatlarını oluşturan burun, göz, dudak, kulak ve ağız çevresiyle ilgili geçmişten günümüze kadar farklı teknikler kullanılarak, farklı ölçüm noktalarından, farklı ülkelerden, farklı etnik kökenlerden ve cinsiyetten ölçüm çalışmaları yapılmıştır. Bizde bu çalışmamızda literatürde bulunan çalışmaların günlük hayatta, cerrahi branşlarda, adli antropolojide, genetik rahatsızlıkların tanısı ve tedavisinde kullanılan çalışmaları analiz ederek yüzün antropometrik ölçümlerinin kullanım alanlarını tespit etmeyi amaçladık. Yapılan literatür taramasında, çalışmaların çoğunun plastik ve rekonstrüktif cerrahinin yeniden yüzlendirme, rekonstrüktif cerrahi, yüz nakli, estetik amaçlı yapılan operasyonlarda, etnik kökene, cinsiyete ve yaş gruplarına ait normatif değerlerin hesaplanması, yüzün harmonisine katkısı, ameliyat öncesi cerrahi operasyonun planlanmasına katkıda bulunabileceği gösterilmiştir. Adli antopolojide olayların çözümünde şüphelinin elde edilen kısıtlı görüntülerinden yaşının, cinsiyetinin ve ırkının tespitinde, yüzün yeniden kimliklendirilmesinde faydalı olacağı belirtilmiştir. Yüzün simetrik görünümü, altın oranın tespiti, güzel görünümün nicel özellikleri, oranları ve tipleri pek çok çalışmada ortaya konmuştur. Bu çalışmalar o toplum için normatif değerlerin sahip olurken, büyük bir veri bankasının oluşmasına katkıda bulunmuştur. Savaşlar göçler, küreselleşen dünyada giderek keskin sınırların ortadan kaldırılması bilinen standart etnik köken, cinsiyet ve yaş ayrımının yapılmasını gün geçtikçe daha zor hale getirmektedir. Doğumdan ölüme kadarki bütün yaş
Background: In this study, the purpose was to obtain normal anthropometric data of the nose, and to determine the changes in age and gender. Materials and Methods: For this purpose, the nose anthropometric measurements were made with a caliper in 874 healthy individuals who were between the ages of 5 and 64, and the nose types were de-termined for adults. The individuals were divided into 8 groups as 5-7, 8-9, 10-11, 12-13, 14-15, 16-17, 18-40, and 41-64-year-old. The nasal length, nasal height, morphological nasal width, anatomical nasal width, nasal root width, nasal depth, lengths, nostril widths, face width, and face heights of the individu-als were measured; and the external nasal surface area, nasal volume, nasal index, nasofacial index, and nose-face width index were calculated. According to Martin and Sallar, the types of noses were classified in adults. The SPSS 20.0 Program was used for the statistical analysis of the data. Results: The most common type of nose was determined to be Mesorrhine. Statistically significant differ-ences were detected between the genders in all measurements except nasal depth. Statistically signifi-cant differences were detected in all groups in terms of all length and height measurements, morphologi-cal and anatomical nasal width values, external nasal surface areas, and nasal volume and indices. Conclusions: It is expected that detailed data about age-sex-related nose morphometry in our study will contribute to the creation of a database of our population. It is thought that these detailed data will be helpful in the determination of age and gender in forensic medicine, the reconstruction studies in anthro-pology, and the treatment plan and post-surgery evaluation to surgeons.
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