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Reliability of software-based assessment of paediatric preparations for preformed metal crowns in the simulation laboratory

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European Archives of Paediatric Dentistry Aims and scope Submit manuscript

Abstract

Purpose

Using software for assessment of restorative work on typodonts in the simulation laboratory may enhance the objective evaluation of student work. The study aimed to evaluate the inter-rater and intra-rater reliability using 3-D scans from the Planmeca Emerald™ intra-oral scanner with Romexis Compare® software for assessing preparations for preformed metal crowns (PMCs).

Methods

Three operators independently recorded 3-D scans and digitally measured the features of 30 PMC preparations on typodont primary teeth (# 75). Using Romexis Compare® software, preparations were measured from mesial, distal and occlusal aspects. Measurements were repeated after 2 weeks. The intraclass correlation coefficient (ICC) was used to measure the reliability of measurements between operators and within the one operator.

Results

For measuring the extent of tooth reduction, there was excellent intra-rater reliability for each operator (ICC 0.96–0.99). The highest inter-rater reliability was for measurements of the occlusal surface (0.946 and 0.956), followed by the mesial surface (0.852 and 0.862) and then the distal surface (0.746 and 0.724).

Conclusion

This method was useful and reliable for measuring features of PMC preparation, but with some limitations. Improving the software to provide specific assistance tools would empower greater uptake of this method as an adjunct to traditional visual grading tool in paediatric dentistry preclinical teaching.

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Availability of data and material

Data will be available on request.

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Acknowledgements

The authors would like to acknowledge Ms. Bobbie Jennings and Ms. Leah Beaupeurt (Preclinic coordinators, School of Dentistry, The University of Queensland) for their assistance in data collection.

Funding

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Authors and Affiliations

Authors

Contributions

SZ, BE, and LW conceived the idea and designed the study, while KN, CC and JT collected the data, analysed and drafted the manuscript. SZ, BE, LW and critically revised the manuscript, gave final approval of the version to be published and agreed to be accountable for all aspects of the study. SZ and BE interpreted the data.

Corresponding author

Correspondence to S. Zafar.

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Conflict of interest

The authors have no conflict of interest to declare.

Ethics approval

The study was conducted completely within a simulation teaching facility and received ethics exemption from The University of Queensland Office of Research Ethics.

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Not applicable.

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As a corresponding author, I confirm that all authors have read and approved the manuscript and have agreed with its submission to the European Archives of Paediatric Dentistry.

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Cite this article

Nakahashi, K., Chin, C.M.L., Ting, J.Y.H. et al. Reliability of software-based assessment of paediatric preparations for preformed metal crowns in the simulation laboratory. Eur Arch Paediatr Dent 22, 1041–1047 (2021). https://doi.org/10.1007/s40368-021-00634-1

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  • DOI: https://doi.org/10.1007/s40368-021-00634-1

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