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Home Comparative analyses of paediatric dental measurements using plaster and three-dimensional digital models

Comparative analyses of paediatric dental measurements using plaster and three-dimensional digital models

Authors:

  • Y. Kaihara
    Department of Paediatric Dentistry, Hiroshima University Hospital, Hiroshima University, Hiroshima, Japan
  • A. Katayama
    Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • K. Ono
    Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • M. Kurose
    Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • K. Toma
    Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • H. Amano
    Maxillofacial Functional Development Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • H. Nikawa
    Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
  • K. Kozai
    Department of Paediatric Dentistry, Division of Cervico-Gnathostomatology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan

ABSTRACT


Aim

Recent advances in three-dimensional imaging have led to an increased interest in the application of computer-models
in paediatric dentistry. However, in evidence-based paediatric dentistry the accuracy of new methods must be validated before they are
introduced to clinical practice. We aimed to compare the accuracy of measurements of digital models obtained using a non-contact 3D
measuring system, with direct measurements made on plaster models (gold standard) from children.

Methods

Twelve pairs of plaster models were obtained from children with deciduous dentition; tooth size, arch width, and arch length were
examined. The same parts on each cast were measured twice with at least a 2-week interval between measurements with each method
by four examiners. Linear mixed-effects model analyses were performed for comparison of values from the 2 different measurement
methods.

Results

The average difference between the 2 methods in measured values, derived from the final model, was <0.2 mm. Random effect of examiners was always the smallest component of variance, and frequently negligible. Statistics: Intraclass correlation coefficients were typically >90.

Conclusion

These results suggest that primary dentition analysis of digital
models has a high accuracy level, comparable to that of direct measurement of plaster models by digital calipers.

PLUMX METRICS

Publication date:

Jun /2014

Keywords:

accuracy, non-contact 3d laser scanner, study model analysis

Issue:

Vol.15 – n.2/2014

Page:

137 – 142

Publisher:

Ariesdue

Cite:


Harvard: Y. Kaihara, A. Katayama, K. Ono, M. Kurose, K. Toma, H. Amano, H. Nikawa, K. Kozai (2014) "Comparative analyses of paediatric dental measurements using plaster and three-dimensional digital models", European Journal of Paediatric Dentistry, 15(2), pp137-142. doi:
Vancouver: Y. Kaihara, A. Katayama, K. Ono, M. Kurose, K. Toma, H. Amano, H. Nikawa, K. Kozai. Comparative analyses of paediatric dental measurements using plaster and three-dimensional digital models. European Journal of Paediatric Dentistry [Internet]. 2014Jun.1 [cited 2023Mar.23];15(2):137-142. Available from: https://www.ejpd.eu/abstract-pubmed/comparative-analyses-of-paediatric-dental-measurements-using-plaster-and-three-dimensional-digital-models/
MLA: Y. Kaihara, A. Katayama, K. Ono, M. Kurose, K. Toma, H. Amano, H. Nikawa, K. Kozai Comparative analyses of paediatric dental measurements using plaster and three-dimensional digital models. European Journal of Paediatric Dentistry. 2014;15(2):137-142

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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    European Journal of Paediatric Dentistry © | ISSN (Online): 2035-648X
    Registrazione del Tribunale di Milano n. 285 del 14.04.1998 | ROC 1946 - 26.09.2001
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