Contribution of teeth in human forensic identification – Discriminant function sexing odontometrical techniques in Portuguese population

Pereira, Cristiana Palmela; Bernardo, Mário; Pestana, Dínis; Costa-Santos, Jorge; Mendonça, Maria Cristina de

doi:10.1016/j.jflm.2009.09.001

Cited by 54 publications

(47 citation statements)

References 27 publications

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“…Although prior dental investigations have established sex discriminating standards with higher classification accuracies than those observed in the current study, these approaches require fairly complete maxillary and/or mandibular dentitions, or at least some portion of the anterior tooth row, particularly the canines [8,9,[67][68][69]. For example, in a recent dental sex assessment study in the Nepalese, up to 93% of the sample population could be correctly allocated utilizing a stepwise discriminant function procedure, which incorporated a combination of mesiodistal and buccolingual crown dimensions for selected teeth from both jaws [70].…”

Section: Logistical Regression Analysismentioning

confidence: 78%

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Investigation on the utility of permanent maxillary molar cusp areas for sex estimation

Macaluso

2010

Forensic Sci Med Pathol

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Digital photogrammetric methods were employed to assess the level of sexual dimorphism present in permanent maxillary molar cusp areas of black South Africans (130 males, 105 females). Odontometric standards were then developed for diagnosing sex, based on the cusp area data derived for these teeth. Results demonstrated that all cusp area measurements of both the first and second maxillary molars were significantly dimorphic (P < 0.0001) in this group. Univariate and multivariate discriminant function analyses yielded overall sex prediction accuracy rates between 59.6 and 74.5%. Comparable allocation results were also obtained for binary logistic regression analyses, but with larger classification sex biases. The highest classification accuracies were observed for different combinations of just two cusp areas for the first molar. Allocation rates of formulae derived for second molar dimensions were on average 4.3% lower than those obtained for the first molar. Analyses incorporating cusp areas of both maxillary molars did not improve classification accuracies achieved when only using first molar measurements. The classification rates are below the suggested minimum accuracy of 75-80% for reliable forensic application of a method; however, the derived formulae may provide a useful statistical indication as to the sex of fragmentary remains in which complete or even partial tooth crowns are the only materials available for examination. Furthermore, the formulae can be applied not only to adults but also to subadults (above the age of 3 years) in which the more accurate sex discriminating features of the pelvis and skull are yet to develop.

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Section: Logistical Regression Analysismentioning

confidence: 78%

“…The most widely used dimensions in sex determination studies have been mesiodistal and buccolingual crown diameters [2][3][4][5][6]. However, diagonal crown measurements, such as mesiobuccal-distolingual and distobuccal-mesiolingual diameters [7][8][9], and root lengths [10][11][12] have also been employed.…”

Section: Introductionmentioning

confidence: 99%

Investigation on the utility of permanent maxillary molar cusp areas for sex estimation

Macaluso

2010

Forensic Sci Med Pathol

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“…Bishara et al [39] reported that first molars also show sexual dimorphism. Contrary to Pereira et al [40] and Acharya and Mainali [4], who state that central or lateral incisors show significant sexual dimorphism, other studies found that incisors show the least sexual dimorphism [39,41].…”

Section: Teeth and Sexual Dimorphismmentioning

confidence: 79%

Sexual dimorphism in permanent teeth of modern Greeks

Zorba

Moraitis

Manolis

2011

Forensic Science International

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“…On average, males have larger teeth than females and this characteristic could be used in sex estimation (Garn et al 1964(Garn et al , 1966Ditch and Rose 1972;Kieser et al 1985;Hattab et al 1997;Işcan and Kedici 2003;Hassett 2011;Viciano et al 2015). The most commonly reported tooth measurements for sex estimation are the maximum mesiodistal and buccolingual crown measurements (Black 1978;Hattab et al 1997;Kondo and Townsend 2004;Acharya and Mainali 2007;Pereira et al 2010;Mitsea et al 2014;Gonçalves et al 2014;Sharma et al 2015). These measurements, however, are difficult to obtain in worn teeth or crowns that are embedded in the jaw.…”

Section: Introductionmentioning

confidence: 99%

Sex estimation using cervical dental measurements in an archaeological population from Iran

Kazzazi

Kranioti

2016

Archaeol Anthropol Sci

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Sex estimation of skeletal remains is one of the major components of forensic identification of unknown individuals. Teeth are a potential source of information on sex and are often recovered in archaeological or forensic contexts due to their post-mortem longevity. Currently, there is limited data on dental sexual dimorphism of archaeological populations from Iran. This paper represents the first study to provide a dental sex estimation method for Iron Age populations. The current study was conducted on the skeletal remains of 143 adults from two Iron Age populations in close temporal and geographic proximity in the Solduz Valley (West Azerbaijan Province of Iran). Mesiodistal and buccolingual cervical measurements of 1334 maxillary and mandibular teeth were used to investigate the degree of sexual dimorphism in permanent dentition and to assess their applicability in sex estimation. Data was analysed using discriminant function analysis (SPSS 23), and posterior probabilities were calculated for all produced formulae. The results showed that incisors and canines were the most sexually dimorphic teeth, providing percentages of correct sex classification between 86.4 and 100 % depending on the measurement used. The combination of canines and other teeth improved significantly the level of correct sex classification. The highest percentages of sex classification were obtained by the combination of canines and incisors (100 %) and canines and molars (92.3 %). The present study provided the first reference standards for sex estimation using odontometric data in an Iranian archaeological population. Cervical measurements were found to be of value for sex assessment, and the method presented here can be a useful tool for establishing accurate demographic data from skeletal remains of the Iron Age from Iran.

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Contribution of teeth in human forensic identification – Discriminant function sexing odontometrical techniques in Portuguese population

Cited by 54 publications

References 27 publications

Investigation on the utility of permanent maxillary molar cusp areas for sex estimation

Investigation on the utility of permanent maxillary molar cusp areas for sex estimation

Sexual dimorphism in permanent teeth of modern Greeks

Sex estimation using cervical dental measurements in an archaeological population from Iran

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