EVALUATION OF LOWER FACE HEIGHTS AND RATIOS ACCORDING TO SEX. 213 Evaluación de las alturas y proporciones de la parte inferior de la cara en relación al sexo


  • Ayla Kurkcuoglu Department of Anatomy, Faculty of Medicine, Baskent University, Ankara, Turkey 2 Faculty of Medicine, Baskent University, Ankara
  • Sena Bahad?roglu Faculty of Medicine, Baskent University, Ankara
  • S Gayenur Buyukberber Faculty of Medicine, Baskent University, Ankara
  • Sila Guclu Faculty of Medicine, Baskent University, Ankara
  • Sumeyye Gurbuz Faculty of Medicine, Baskent University, Ankara
  • Aycil Karsl?oglu Faculty of Medicine, Baskent University, Ankara
  • A Canan Yaz?c? Department of Biostatistics, Faculty of Medicine, Baskent University, Ankara
  • Can Pelin Department of Anatomy, Faculty of Medicine, Baskent University, Ankara



Palabras clave:

Facial analysis, lower face proportions, photographs, Análisis facial, menores proporciones faciales, fotografías


La determinación de las relaciones de altura de la cara inferior proporciona información importante para el tratamiento de ortodoncia, los enfoques quirúrgicos y la identificación fiable en lmedicina forense. Este estudio se realizó con el objetivo de determinar la altura de la índices bajos de la cara de estudiantes de la Universidad Baskent y evidenciar las posibles diferencias por sexo. El estudio se realizó en 95 mujeres y 101 varones,18 a25 años, un total de 196 estudiantes turcos voluntarios. Las imágenes fotogramétricas laterales fueron adquiridos por la misma persona para todos los sujetos en la posición natural de la cabeza, con la boca cerrada en la postura normal. Las imágenes se transfirieron a un entorno de computación. La determinación de seis puntos antropométricos en el plano vertical, la medición de sus distancias relativas y el cálculo de siete relaciones se realizó por la misma persona en todas las fotografías. Se observó una diferencia significativa en función del sexo de los sujetos que fue identificada en los siete parámetros medidos entre los puntos de referencia antropométricas. Cuando se evaluaron las relaciones de altura facial inferior la más grande era la altura bermellón superior / inferior proporción de altura bermellón, tanto en hombres como en mujeres, y el más pequeño era el alto / superior bermellón del labio superior altura en mujeres y el labio superior de elevación / altura de la parte inferior del rostro en los hombres. Postulamos que el conocimiento de determinados índices faciales y sus diferencias según el sexo y la raza puede servir como una guía para la planificación de la terapia en las diferentes intervenciones quirúrgicas, el control en ortodoncia y lla identificación personal.


The determination of the lower face height ratios provides significant information for orthodontic treatment, surgical approaches and for a reliable identification in forensic medicine. This study was conducted with the aim of determining lower face height ratios in Baskent University students and evidencing possible sex-related differences. The study was performed on 95 female and 101 male, aged 18-25, atotal of 196 Turkish volunteer students. Lateral photogrammetric images were acquired by the same person for all subjects in natural head position, with their mouth closed in normal posture. The images were transferred to a computing environment. The determination of six anthropometric points in the vertical plane, the measurement of their relative distances and the calculation of seven ratios were done by the same person on all photographs. A significant difference according to the subjects' sex was identified in all seven parameters measured among the anthropometric landmarks. When the lower face height ratios were evaluated the largest one was the upper vermilion height/lower vermilion height ratio both in males and females,and the smallest one was the upper vermilion height/upper lip height ratio in female subjects and the upper lip height/height of the lower face  in males. We hypothesize that the knowledge of certain facial ratios and their differences according to sex and race may serve as a guide for therapy planning in different surgical interventions, orthodontic follow-up and personal identification. 


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