A digital approach to dynamic jaw tracking using a target tracking system and a structured-light three-dimensional scanner

Joo Hyun Kwon, Sungbin Im, Minho Chang, Jong Eun Kim, June Sung Shim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Purpose: This technical procedure describes a method for tracking mandibular movement using a three-dimensional (3D) optical scanner and target tracking system to digitally portray the motion of the mandible and temporomandibular joints by merging cone beam computed tomography (CBCT) data. Methods: Four nonreflective targets were attached to the labial surface of the incisors in a noncolinear arrangement. Mandibular movement was tracked directly using a 3D facial scanner and target tracking software after merging facial scanning data, digital data obtained from a diagnostic cast, and CBCT scan data based on several landmarks of the anterior teeth. The moving path of the subjects’ mandible was converted to CBCT-based data to confirm the actual movement of the mandible and temporomandibular joints. Conclusions: The digital implementation of mandibular movement using a 3D optical scanner and target tracking system is not prone to the same restrictions and limitations inherent in mechanical equipment; therefore, it is possible to reconstruct more realistic movement(s). This technique can be used in a wide variety of dental applications involving movement of the mandibular jaw, such as fabrication of dental prostheses, or for the diagnosis and treatment of temporomandibular joint disease.

Original languageEnglish
Pages (from-to)115-119
Number of pages5
JournalJournal of Prosthodontic Research
Volume63
Issue number1
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Cone-Beam Computed Tomography
Jaw
Mandible
Temporomandibular Joint
Light
Tooth
Dental Prosthesis
Temporomandibular Joint Disorders
Incisor
Lip
Software
Equipment and Supplies

Keywords

  • CAD/CAM
  • Digital dentistry
  • Mandibular movement
  • Target tracking
  • Three-dimensional scanner

ASJC Scopus subject areas

  • Oral Surgery
  • Dentistry (miscellaneous)

Cite this

A digital approach to dynamic jaw tracking using a target tracking system and a structured-light three-dimensional scanner. / Kwon, Joo Hyun; Im, Sungbin; Chang, Minho; Kim, Jong Eun; Shim, June Sung.

In: Journal of Prosthodontic Research, Vol. 63, No. 1, 01.01.2019, p. 115-119.

Research output: Contribution to journalArticle

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