Sphenoid sinuses' volume and area analysis of Brazilian individuals' CBCTs, related to sex, age, skin color, and nutritional status using DDS-Pro™ software.

The purpose of this study was to analyze the volume and area of sphenoid sinuses of Brazilian individuals' cone-beam computed tomography (CBCT) images using the beta version of the DDS-Pro™ 2.14.2_2022 software (DPP Systems, Czestochowa, Poland), to assess a potential correlation to sex, age, skin color, and nutritional status, and to evaluate differences between the right and left sides. Three-dimensional volume and area measurements were made with the software using CBCT images of 113 living Brazilian individuals of both sexes (67 females and 46 males). TEM, rTEM, and R were used to assess the reproducibility of inter- and intra-examiner measurements. The measurement means were estimated with 95% confidence intervals according to sex and age group. There were no significant differences between the left and right sides for both volume and area and between the sexes and black and white individuals. Volume and area were significantly higher in 18 years or older (p < 0.05) and in individuals with normal body mass index (BMI) (p < 0.05). The obtained results do not allow indicating the use of sphenoid sinuses volume and area measurements to estimate sexual dimorphism, and the same occurred for skin color. However, such measures can help to estimate age. Further studies are suggested with a larger sample, especially for the nutritional status variable.

Chronology of permanent teeth mineralization in Brazilian individuals: age estimation tables.

BACKGROUND: Age is important in forming the uniqueness of individuals. When chronological age is not available, age estimation is required, particularly in court cases. The mineralization chronology of permanent teeth is a valuable tool for age estimation of subadults. This study aimed to evaluate the mineralization stages of permanent teeth of Brazilian subjects from imaging exams, using the classification by Moorrees et al. modified by the authors, to verify the existence of correlation between the chronology of mineralization stages and sex and to prepare numerical tables of the chronology of dental mineralization stages for Brazilian individuals. METHODS: Digital panoramic radiographs of 1100 living Brazilian individuals of both sexes, aged between 2 and 25 years, born between 1990 and 2018, from the image bank of a Dental Radiographs and Documentations clinic located in the city of Araraquara, SP, Brazil. The images were evaluated according to the level of crown and root development and classified according to the stages proposed by Moorrees et al. (Am J Phys Anthropol 21: 205-213, 1963) adapted by the authors. All analyses were performed in the R software. Descriptive and exploratory analyses were performed on all data. For intra- and inter-examiner analyses, the rate of agreement and Kappa statistics at a 95% confidence interval were used. Kappa was interpreted according to Landis and Koch. RESULTS: Only upper and lower canines showed significant differences between the sexes (p < 0.05), with higher average ages for men. The findings were presented in tables, as well as age estimates with 95% confidence intervals for each mineralization stage and each tooth. CONCLUSION: In the present study, we evaluated the mineralization stages of permanent teeth of Brazilian subjects from digital panoramic radiographs and found no correlation between the chronology of mineralization stages and sex, except for canines. From the obtained results, numerical tables of the chronology of dental mineralization stages were prepared.

Three-dimensional analysis of the maxillary sinus according to sex, age, skin color, and nutritional status: A study with live Brazilian subjects using cone-beam computed tomography.

OBJECTIVE: To perform three-dimensional measurements (volume and area) of the maxillary sinus, from cone-beam computed tomography (CBCT) images, and to assess potential differences between the left and right sides and a correlation of the measurements to sex, age, skin color, and nutritional status. DESIGN: CBCT images of 161 living Brazilian subjects of both sexes (89 women and 72 men) were used, and three-dimensional measurements of volume and area were made with the beta version of the DDS-Pro™ 2.14.2_2022 software (DPP Systems, Czestochowa, Poland). The inter- and intra-examiner reproducibility of measurements was evaluated with TEM, rTEM, and R. RESULTS: Both maxillary sinus volume and area did not show significant differences between the left and right sides and between the sexes. Volume and area were significantly lower in the age group from 6 to 11 years than in the other two groups (p < 0.05). The measurements obtained for maxillary sinus volume and area were significantly higher in white individuals (p < 0.05), but they did not show significant differences (p > 0.05) regarding nutritional status (considering the body mass index - BMI). CONCLUSION: There were no statistically significant differences between the sexes, which does not allow recommending the use of maxillary sinus volume and area measurements to analyze sexual dimorphism, and the same occurs for BMI. However, such measures can help to estimate the age and skin color of individuals.

Ciências forenses: princípios éticos e vieses / Forensic sciences: ethical principles and biases / Ciencias forenses: principios éticos y sesgos

Resumo As ciências forenses empregam conhecimentos científicos e técnicas diversas para apurar crimes e outros assuntos legais - cíveis, penais ou administrativos. Sua principal função é viabilizar as investigações relativas à justiça civil e criminal, visando esclarecer as questões do sistema de segurança pública. Porém, com o avanço tecnológico, certos crimes - e, consequentemente, a prática forense - tornaram-se mais complexos. Como todas as profissões, as ciências forenses são regidas por princípios e práticas éticas que acrescentam deveres e responsabilidades ao profissional, objetivando agregar qualidade tanto no plano técnico quanto humano e evitar vieses. Com isso, este artigo apresenta reflexões sobre questões éticas e vieses relacionados à atuação dos profissionais das ciências forenses.

Abstract Forensic sciences use diverse scientific and technical knowledge to investigate crimes and other legal matters - civil, criminal, or administrative. Its primary role is to enable investigations related to civil and criminal justice, aiming to clarify issues of the public security system. But with technological advances, certain crimes, and consequently forensic practice, have become more complex. Like all professions, forensic sciences are governed by ethical principles and practices that include duties and responsibilities, aiming to add both technical and human quality and avoid biases. Thus, this article presents reflections on ethical issues and biases related to the forensic science professionals' work.

Resumen Las ciencias forenses utilizan conocimientos científicos y técnicas para investigar delitos y otros asuntos legales (civiles, penales o administrativos). Su función principal es posibilitar las investigaciones relativas a la justicia civil y penal, con el objetivo de resolver problemas del sistema de seguridad pública. Sin embargo, con el avance tecnológico, ciertos delitos -y, en consecuencia, la práctica forense- se han vuelto más complejos. Al igual que todas las profesiones, las ciencias forenses se rigen por principios y prácticas éticas que agregan deberes y responsabilidades al profesional, con el objetivo de mejorar la calidad técnica y humana y evitar sesgos. Este artículo presenta reflexiones sobre las cuestiones éticas y los sesgos relacionados con la actuación de los profesionales de las ciencias forenses.

Cirurgia de feminização facial em transexuais: reflexões éticas e forenses / Facial feminization surgery in transsexuals: ethical and forensic reflections / Cirugía de feminización facial en transexuales: reflexiones éticas y forenses

Resumo Cirurgias de feminização facial, que visam tornar o rosto de mulheres transexuais mais feminino, alteram tecidos moles e duros. Tais procedimentos envolvem inúmeros aspectos éticos, desde a cobertura por planos de saúde e serviço público até o direito à mudança de nome. Há também consequências forenses, no que diz respeito à eventual necessidade de identificar pessoas submetidas a esse tipo de cirurgia. Essas consequências, embora importantes, são pouco consideradas em estudos científicos. Com isso, neste trabalho são analisados alguns aspectos éticos e forenses decorrentes de cirurgias de feminização facial.

Abstract Facial feminization surgeries, which aim to render transsexuals' facial features more feminine, alter soft and hard tissues. These procedures involve ethical issues such as health insurance and public service coverage, and the right to legal name change. Forensic consequences, concerning eventual need to identify individuals who underwent this surgery, are important and require scientific studies. In this article, we analyze some ethical and forensic aspects resulting from facial feminization surgeries.

Resumen Las cirugías de feminización facial que pretenden volver más femeninos los rostros de mujeres transexuales producen cambios en los tecidos blandos y duros. Tales procedimientos involucran muchos aspectos éticos, desde la cobertura del seguro de salud y del servicio público hasta las discusiones sobre el derecho al cambio de nombre. Hay también consecuencias forenses en lo que se refiere a las posibles necesidades de identificación de las personas que se someten a esta cirugía. A pesar de su importancia, estas consecuencias son poco abordadas en estudios científicos. Así, en este artículo se analizan algunos aspectos éticos y forenses derivados de las cirugías de feminización facial.