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This bony structure dictates the overlying soft tissues providing the phenotypic features of the nose and upper lip and determines the differences in the mid-face morphology. Little data is available on the metric features of the Anterior nasal spine (ANS). This study aimed to perform metric evaluations of the ANS of white and black South African males and females to ascertain if morphological variations exist and if the differences are viable for the use in sex and population identification.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and methods<\/jats:title>\n                <jats:p>The sample included 100 CBCT images for each population and sex group. Linear and angular measurements of the ANS were recorded in both the sagittal and axial planes.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Classification decision trees (pruned) were fitted to ascertain the relationship between population group, sex and the ANS measurements including and excluding age.<\/jats:p>\n                <jats:p>For population group, all the ANS measurements were statistically significant for females but in males, all the ANS measurements were significant when performed individually. However, when fitted to the classification tree, Sagittal 2 did not show any statistical significance. When considering sex, only 2 of the ANS measurements (Sagittal\u00a02 and Axial\u00a01) were found to be significant. The results did not differ significantly when comparing the decision trees including and excluding age.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>White South African individuals presented with a longer ANS that produced a more acute angle whereas black South African individuals presented with a shorter ANS and a more obtuse angle. Additionally, males presented with a longer ANS compared to females. ANS measurements were found to be more relevant for population discernment than for sex.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00414-023-03130-x","type":"journal-article","created":{"date-parts":[[2023,11,27]],"date-time":"2023-11-27T15:03:08Z","timestamp":1701097388000},"page":"1117-1137","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Metric evaluation of the anterior nasal spine to estimate sex and population group in South African individuals"],"prefix":"10.1007","volume":"138","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3638-6932","authenticated-orcid":false,"given":"Christy Lana","family":"Davidson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6969-4990","authenticated-orcid":false,"given":"Johan","family":"de Klerk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5912-6711","authenticated-orcid":false,"given":"Zina","family":"Matejovsky","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2192-4873","authenticated-orcid":false,"given":"Inger","family":"Fabris-Rotelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8250-7662","authenticated-orcid":false,"given":"Andre","family":"Uys","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,11,27]]},"reference":[{"key":"3130_CR1","doi-asserted-by":"publisher","first-page":"89","DOI":"10.1080\/20961790.2019.1697060","volume":"5","author":"E Cunha","year":"2020","unstructured":"Cunha E, Ubelaker DH (2020) Evaluation of ancestry from human skeletal remains: a concise review. 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