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

Authors
 Joo Hyun Kwon  ;  Sungbin Im  ;  Minho Chang  ;  Jong-Eun Kim  ;  June-Sung Shim 
Citation
 Journal of Prosthodontic Research, Vol.63(1) : 115-119, 2019 
Journal Title
 Journal of Prosthodontic Research 
ISSN
 1883-1958 
Issue Date
2019
Keywords
CAD/CAM ; Digital dentistry ; Mandibular movement ; Target tracking ; Three-dimensional scanner
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.
Full Text
https://www.sciencedirect.com/science/article/pii/S1883195818300835
DOI
10.1016/j.jpor.2018.05.001
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jong Eun(김종은) ORCID logo https://orcid.org/0000-0002-7834-2524
Shim, June Sung(심준성) ORCID logo https://orcid.org/0000-0003-1428-0122
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/167507
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