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http://dx.doi.org/10.5933/JKAPD.2020.47.1.17

Accuracy and Precision of Three-dimensional Imaging System of Children's Facial Soft Tissue  

Choi, Kyunghwa (Department of Pediatric Dentistry, Kyung Hee University, Dental Hospital at Gangdong)
Kim, Misun (Department of Pediatric Dentistry, Kyung Hee University, Dental Hospital at Gangdong)
Lee, Koeun (Department of Pediatric Dentistry, Kyung Hee University Dental Hospital)
Nam, Okhyung (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University)
Lee, Hyo-seol (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University)
Choi, Sungchul (Department of Pediatric Dentistry, School of Dentistry, Kyung Hee University)
Kim, Kwangchul (Department of Pediatric Dentistry, Kyung Hee University, Dental Hospital at Gangdong)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.47, no.1, 2020 , pp. 17-24 More about this Journal
Abstract
The purpose of this study was to evaluate the accuracy and precision of the three-dimensional (3D) imaging system of children's facial soft tissue by comparing linear measurements. The subjects of the study were 15 children between the ages of 7 and 12. Twenty-three landmarks were pointed on the face of each subject and 16 linear measurements were directly obtained 2 times using an electronic caliper. Two sets of 3D facial images were made by the 3D scanner. The same 16 measurements were obtained on each 3D image. In the accuracy test, the total average difference was 0.9 mm. The precision of 3D photogrammetry was almost equivalent to that of direct measurement. Thus, 3D photogrammetry by the 3D scanner in children had sufficient accuracy and precision to be used in clinical setting. However, the 3D imaging system requires the subject's compliance for exact images. If the clinicians provide specific instructions to children while obtaining 3D images, the 3D device is useful for investigating children's facial growth and development. Also the device can be a valuable tool for evaluating the results of orthodontic and orthopedic treatments.
Keywords
Three-dimensional imaging system; Accuracy and precision of 3D images; Facial anthropometry; Children's facial soft tissue;
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Times Cited By KSCI : 1  (Citation Analysis)
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