Oral Biol Res.  2024 Mar;48(1):7-14. 10.21851/obr.48.01.202403.7.

Effect of different head positions on three-dimensional facial images

Affiliations
  • 1Student, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
  • 2Ph.D. Student, Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
  • 3Postdoctoral Researcher, Department of Mathematics & Statistics, Chonnam National University, Gwangju, Republic of Korea
  • 4Professor, Department of Orthodontics, School of Dentistry, Dental 4D Research Institute, Dental Science Research Institute, Chonnam National University, Gwangju, Republic of Korea
  • 5Associate Professor, Department of Orthodontics, School of Dentistry, Dental 4D Research Institute, Dental Science Research Institute, Chonnam National University, Gwangju, Republic of Korea

Abstract

The purpose of this study was to determine whether head posture affects three-dimensional (3D) facial images. This study evaluated facial images of 10 mannequins, which are taken from standard postures, left and right rotations, and up and down rotations. The images with changed head posture were superimposed onto standard head posture image, and the difference between the two images was used to evaluate deformations in images with the changed head postures. The 3D facial images showed considerable differences depending on different head positions.

Keyword

Head movements; Structured-light facial scanner; Three-dimensional image
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