Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A proposal for soft tissue landmarks for craniofacial analysis using 3-dimensional laser scan imaging.

Hyoung-Seon Baik1, Hwa Jin Lee, Kee-Joon Lee

  • 1Department of Orthodontics, College of Dentistry, Yonsei University, Seoul, South Korea. baik@yumc.yonsei.ac.kr

World Journal of Orthodontics
|March 22, 2006
PubMed
Summary

This study found that a 3D laser scanner accurately captures facial structures. The proposed soft tissue landmarks are reliable and reproducible for 3D facial image analysis.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Vertical facial pattern associations with craniocervical posture and cervical curvature appear attenuated in a contemporary digital-era cohort: a historical control analysis.

Scientific reports·2026
Same author

Influence of restorative material types on 3D printed aligner accuracy using intraoral scanners.

BMC oral health·2026
Same author

Authors' response.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2026
Same author

Facial surface tracing approach to reduce the observation errors in 3D curvilinear landmark annotations on cone-beam computed tomography images.

Journal of dentistry·2026
Same author

Orthodontic treatment positively influences behavior and perception on age recognition.

The Angle orthodontist·2026
Same author

Growth Velocity and the Pubertal Growth Spurt Across Skeletal Maturity Stages in Class II Malocclusion: A Longitudinal Analysis.

Children (Basel, Switzerland)·2025

Area of Science:

  • Medical Imaging
  • Orthodontics
  • Anthropometry

Background:

  • Accurate 3D facial analysis is crucial in orthodontics and craniofacial research.
  • Establishing reliable soft tissue landmarks is essential for precise measurements.

Purpose of the Study:

  • To assess the accuracy of a 3D laser scanner for facial imaging.
  • To propose and validate reproducible soft tissue landmarks on 3D facial images.

Main Methods:

  • A mannequin head was scanned multiple times to determine scanner accuracy and magnification.
  • Soft tissue landmarks were defined on a mannequin and patients with varying malocclusions.
  • Landmark reproducibility was evaluated using coordinate data from repeated landmarking procedures.

Related Experiment Videos

Main Results:

  • The 3D laser scanner exhibited minimal scanning errors (0.16-0.15 mm axes, 0.37 mm mean error).
  • Magnification rate was calculated at 0.66%.
  • Standard deviations for landmark localization were consistently below 1.0 mm across all axes.

Conclusions:

  • The 3D laser scanner is a valuable tool for analyzing 3D facial structures.
  • The proposed soft tissue landmarks demonstrate high reproducibility and reliability for clinical applications.