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Efficacy of computer-assisted, 3D motion-capture toothbrushing instruction

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Abstract

Objective

The objective of this study was to compare the efficacy of computer-assisted TBI using a smart toothbrush (ST) and smart mirror (SM) in plaque control to that of conventional TBI.

Materials and methods

We evaluated the plaque removal efficacy of a ST comprising a computer-assisted, wirelessly linked, three-dimensional (3D) motion-capture, data-logging, and SM system in TBI. We also evaluated the efficacy of TBI with a ST and SM system by analyzing the reductions of the modified Quigley-Hein plaque index in 60 volunteers. These volunteers were separated randomly into two groups: conventional TBI (control group) and computer-assisted TBI (experimental group). The changes in the plaque indexes were recorded immediately, 1 week, 1 month, and 10 months after TBI.

Results

The patterns of decreases in the modified Quigley-Hein plaque indexes were similar in the two groups. Reductions of the plaque indexes of both groups in each time period were observed (P < 0.0001), and the effects of TBI did not differ between the two groups (P = 0.3803). All volunteers were sufficiently motivated in using this new system.

Conclusion

The reported new, computer-assisted TBI system might be an alternative option in controlling dental plaque and maintaining oral hygiene.

Clinical relevance

Individuals can be motivated by the new system; meanwhile, comparable effects of controlling dental plaque can be achieved.

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Acknowledgments

We thank XiuSolution for technical support. This work was supported by the Mid-career Researcher Program through an NRF grant funded by the MEST (No. 2010–0027674) and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT, and Future Planning (NRF-2013R1A1A1009513).

Conflict of interest

We declare that we do not have any conflict of interest in this study.

Author information

Authors and Affiliations

  1. Department of Advanced General Dentistry/Human Identification Research Center, College of Dentistry, Yonsei University, Seoul, South Korea

    Kee-Deog Kim

  2. Department of Advanced General Dentistry, College of Dentistry, Yonsei University, 50 Seongsanno, Seodaemun-gu, Seoul, 120-752, South Korea

    Jin-Sun Jeong, Hae Na Lee & Wonse Park

  3. Department of Conservative Dentistry, School of Dentistry, Seoul National University, Seoul, South Korea

    Yu Gu

  4. Department of Biomedical Engineering, College of Biomedical & Health Science, Konkuk University, Chungju, South Korea

    Kyeong-Seop Kim & Jeong-Whan Lee

Authors
  1. Kee-Deog Kim
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  2. Jin-Sun Jeong
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  3. Hae Na Lee
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  4. Yu Gu
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  5. Kyeong-Seop Kim
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  6. Jeong-Whan Lee
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  7. Wonse Park
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Corresponding author

Correspondence to Wonse Park.

Additional information

Kee-Deog Kim and Jin-Sun Jeong contributed equally to this study

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Kim, KD., Jeong, JS., Lee, H.N. et al. Efficacy of computer-assisted, 3D motion-capture toothbrushing instruction. Clin Oral Invest 19, 1389–1394 (2015). https://doi.org/10.1007/s00784-014-1350-y

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  • DOI: https://doi.org/10.1007/s00784-014-1350-y

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