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Open AccessArticle

A User-Specific Approach for Comfortable Application of Advanced 3D CAD/CAM Technique in Dental Environments Using the Harmonic Series Noise Model

1
Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea
2
Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Korea
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(20), 4307; https://doi.org/10.3390/app9204307
Received: 2 August 2019 / Revised: 23 September 2019 / Accepted: 8 October 2019 / Published: 14 October 2019
(This article belongs to the Special Issue Sound and Music Computing -- Music and Interaction)
Recently, there has been a focus on improving the user’s emotional state by providing high-quality sound beyond noise reduction against industrial product noise. Three-dimensional computer aided design and computer-aided manufacturing (3D CAD/CAM) dental milling machines are a major source of industrial product noise in the dental environment. Here, we propose a noise-control method to improve the sound quality in the dental environment. Our main goals are to analyze the acoustic characteristics of the sounds generated from the dental milling machine, to control the noise by active noise control, and to improve the sound quality of the residual noise by synthesized new sound. In our previous study, we demonstrated noise reduction in dental milling machines through tactile transducers. To improve the sound quality on residual noise, we performed frequency analysis, and synthesized sound similarly as musical instruments, using the harmonic series noise model. Our data suggest that noise improvement through synthesis may prove to be a useful tool in the development of dental devices. View Full-Text
Keywords: 3D CAD/CAM dental milling machine; noise control; sound quality; sound synthesis; harmonic series 3D CAD/CAM dental milling machine; noise control; sound quality; sound synthesis; harmonic series
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Song, E.-S.; Lim, Y.-J.; Kim, B. A User-Specific Approach for Comfortable Application of Advanced 3D CAD/CAM Technique in Dental Environments Using the Harmonic Series Noise Model. Appl. Sci. 2019, 9, 4307.

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