The Value of Lateral Cephalometric Image in Sex Identification

Ali, Aysar Razzaq; Al-Nakib, Lamia H.

doi:10.12816/0014931

Cited by 11 publications

(9 citation statements)

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“…Linear measurements related to the mandibular foramen vertical position can be used as best parameters to predict genders, while the measurements that related to the mental foramen vertical position ranked after in their discriminating abilities. Ali and Al-Nakib (28) evaluated the accuracy of digital cephalometric system in sex determination in Iraqi samples with different age range using certain linear and angular craniofacial measurements. They found that all the cranio-cephalometric measurements gave 86.7% overall predictive accuracy of sex determination by discriminant analysis while the stepwise selection method gave 85.8% overall predictive accuracy.…”

Section: Resultsmentioning

confidence: 99%

The Value of Maxillary Central Incisors and Canines in Gender Determination as an Aid in Forensic Dentistry

Nahidh¹

2014

Iraqi dent. j.

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Background: This study aimed to determine the gender of a sample of Iraqi adults utilizing the mesio-distal width of maxillary central incisors and canines and to determine the percentage of dimorphism as an aid in forensic dentistry. Materials and methods: The sample included 230 subjects (115 males and 115 females) with an age ranged between 17-25 years and Class I dental and skeletal relations. Study casts were taken for each subject and the mesio-distal crown dimension was measured manually from the contact points for the maxillary central incisors and canines (both sides) using digital vernier caliper gauge. Descriptive statistics were obtained for the measurements for both genders; independent samples t-test was performed to evaluate the gender difference, percentage of dimorphism and stepwise discriminant function statistics were performed to determine the teeth that can be used for gender identification in addition to the percentage of gender identification accuracy. Results and Conclusions: Generally, the mesio-distal dimensions of the maxillary central incisor and canine were larger in males than females with a high significant difference (P ≤ 0.001). Stepwise discriminant function statistics indicated that the right central incisor and canine were the most predominant teeth in gender identification and the accuracy of identification reached up to 69.6%.

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Section: Resultsmentioning

confidence: 99%

The Value of Maxillary Central Incisors and Canines in Gender Determination as an Aid in Forensic Dentistry

Nahidh¹

2014

Iraqi dent. j.

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“…Different radiographic techniques have been used in forensic anthropology to evaluate paranasal dimensions for determining the sex of an individual including measurements on dry skulls , conventional radiography , computed tomography (CT) , and cone‐beam computed tomography (CBCT) . CBCT is a recently developed imaging modality with high‐dimensional accuracy in measuring craniofacial structures .…”

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confidence: 99%

Sexual Dimorphism of Maxillary Sinus Dimensions Using Cone‐Beam Computed Tomography

Paknahad

Shahidi

Zarei

2016

Journal of Forensic Sciences

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Sex determination of unknown persons plays an important role in forensic medicine. Cone-beam computed tomography (CBCT) is an excellent imaging modality for accurate measurement of maxillary sinus dimensions. This study aimed to evaluate whether maxillary sinus measurements on CBCT scans can be applied for sex determination. The width, length, and height of maxillary sinuses in CBCT images of 100 patients (50 males and 50 females) were measured. Student's t-test and discriminant function analysis were used to compare differences in the measured parameters between males and females. The correct predictive accuracy rate of sex determination was 78% in females and 74% in males with overall accuracy of 76%. Based on discriminant analysis, the most pronounced variable in differentiation of sex groups was maxillary sinus height. This study suggests that maxillary sinus measurements can be valuable for sex determination in forensic investigation, especially for cases in which other traditional methods are not applicable.

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“…The discrepancy in the results of various studies may be elucidated due to the differing number of parameters in sex determination (Binnal and Yashoda Devi, 2012). Study conducted by Sumati et al, using 4 variables of mastoid process showed 76.6% accuracy with stepwise discriminant function analysis, in which length of the mastoid was found to be highly significant which alone gave an accuracy of 66.7% (Ali and Al-Nakib, 2013). Due to the anatomical position and the compact nature of the mastoid process it is highly resistant to damage and is considered to be a favorable landmark for sex determination (Binnal and Yashoda Devi, 2012).…”

Section: Discussionmentioning

confidence: 99%

Sex determination using discriminant function analysis in Indigenous (Kurubas) children and adolescents of Coorg, Karnataka, India: A lateral cephalometric study

Divakar

Kheraif

Mavinapalla

et al. 2016

Saudi Journal of Biological Sciences

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To test the validity of sex discrimination using lateral cephalometric radiograph and discriminant function analysis in Indigenous (Kuruba) children and adolescents of Coorg, Karnataka, India. Six hundred and sixteen lateral cephalograms of 380 male and 236 females of age ranging from 6.5 to 18 years of Indigenous population of Coorg, Karnataka, India called Kurubas having a normal occlusion were included in the study. Lateral cephalograms were obtained in a standard position with teeth in centric occlusion and lips relaxed. Each radiograph was traced and cephalometric landmarks were measured using digital calliper. Calculations of 24 cephalometric measurements were performed. Males exhibited significantly greater mean angular and linear cephalometric measurements as compared to females ( < 0.05) (Table 5). Also, significant differences ( < 0.05) were observed in all the variables according to age (Table 6). Out of 24 variables, only ULTc predicts the gender. The reliability of the derived discriminant function was assessed among study subjects; 100% of males and females were recognized correctly. The final outcome of this study validates the existence of sexual dimorphism in the skeleton as early as 6.5 years of age. There is a need for further research to determine other landmarks that can help in sex determination and norms for Indigenous (Kuruba) population and also other Indigenous population of Coorg, Karnataka, India.

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The Value of Lateral Cephalometric Image in Sex Identification

Cited by 11 publications

References 0 publications

The Value of Maxillary Central Incisors and Canines in Gender Determination as an Aid in Forensic Dentistry

The Value of Maxillary Central Incisors and Canines in Gender Determination as an Aid in Forensic Dentistry

Sexual Dimorphism of Maxillary Sinus Dimensions Using Cone‐Beam Computed Tomography

Sex determination using discriminant function analysis in Indigenous (Kurubas) children and adolescents of Coorg, Karnataka, India: A lateral cephalometric study

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