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

Kyunghwa Choi (최경화); Kim Mi Sun (김미선); Lee Ko Eun (이고은); NAM OK HYUNG (남옥형); Lee Hyo-Seol (이효설); Chul Choi Sung (최성철); KIM， KWANG CHUL (김광철)

doi:10.5933/JKAPD.2020.47.1.17

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

Journal of the Korean academy of pediatric dentistry
Abbr : J Korean Acad Pediatr Dent
2020, 47(1), pp.17-24
DOI : 10.5933/JKAPD.2020.47.1.17
Publisher : The Korean Academy Of Pediatric Dentistry
Research Area : Medicine and Pharmacy > Dentistry
Received : July 15, 2019
Accepted : September 5, 2019
Published : February 29, 2020

Kyunghwa Choi ¹, Kim Mi Sun ², Lee Ko Eun ², NAM OK HYUNG ², Lee Hyo-Seol ², Chul Choi Sung ², KIM， KWANG CHUL ²

¹강동경희대학교병원 치과병원 소아치과
²경희대학교

Accredited

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

Citation status

* References for papers published after 2023 are currently being built.

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Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

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

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* References for papers published after 2023 are currently being built.

Journal of the Korean academy of pediatric dentistry 2023 KCI Impact Factor : 0.48

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

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KEYWORDS

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