A Study on the Psychological Noise Reduction Effect on Dental Handpiece Noise through the Bone Conduction Speaker Equipped Unit Chair and Notch-Filtered Music
Abstract
:1. Introduction
2. Methods
2.1. Development of Unit Chair with Bone Conduction Speaker
2.2. Development of Notch-Filtered Music through Sound Masking Technology
2.3. Experiments
3. Results
3.1. Survey Results of Noise Reduction Effect and Emotional Change
3.2. Preference and Evoked Emotion Survey Results for Each Sound Source
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Appendix A. Patient′s Music Selection List
Patient No. | Title | Artist | Genre |
---|---|---|---|
P1 | My Universe | BTS and Coldplay | Rock |
P2 | Modeun nal, modeun sungan | Paul Kim | Ballade |
P3 | Next Level | Aespa | Dance |
P4 | Butter | BTS | Dance |
P5 | Back in Black | ACDC | Rock |
P6 | Dambaegage agassi | YB | Rock |
P7 | Eotteohge ibyeolkkaji Saranghagesseo | AKMU | Ballade |
P8 | Sorry Sorry | Super Junior | Dance |
P9 | Johannes Brahms, String Sextet No. 1 In B Flat Major, Op. 18 | Amadeus Quartet | Classic |
P10 | Byeolboreo gaja | Juk Jae | Ballade |
P11 | Celebrity | IU | Dance |
P12 | Garasadae | BewhY | Hip Hop |
P13 | Georieseo | Sung Si Kyung | Ballade |
P14 | Geujunge geudaereul manna | Lee Sun Hee | Ballade |
P15 | Tornado of Souls | Megadeath | Rock |
P16 | Singiru | C JAMM | Hip Hop |
P17 | I Believe | Shin Seung Hun | Ballade |
P18 | Tchaikovsky-String Quartet No. 1 In D Major, Op. 11 | Emerson String Quartet | Classic |
P19 | Savage | Aespa | Dance |
P20 | Stockholm Syndrome | Muse | Rock |
P21 | Uptown Funk | Bruno Mars | Dance |
P22 | I′m Not the Only One | Sam Smith | Ballade |
P23 | No Song Without You | Honne | R&B |
P24 | Nai | Yoon Jong-Shin | Ballade |
P25 | Mommae | Jay Park | Hip Hop |
P26 | Anajwo | Jung JoonIl | Ballade |
P27 | Basket Case | Green Day | Rock |
P28 | 200% | AKMU | Dance |
P29 | Chobulhana | GOD | Ballade |
P30 | Butter | BTS | Dance |
P31 | Naege oneun gil | Sung Si Kyung | Ballade |
P32 | Joheun nal | IU | Dance |
P33 | Next Level | Aespa | Dance |
P34 | Nakha | AKMU | Dance |
P35 | Geokjeongmarayo Geudae | Juck Lee | Ballade |
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Equipment | Company/Model |
---|---|
Dental Handpiece | TI-Max Z900 (NSK-Nakanishi International, Shimohinata, Japan) |
Sound Level Meter | CK:161A (Cirrus, Sywell, UK) |
Microphone | Zoom H6 and SSH-6 (Zoom, Tokyo, Japan) |
Bone Conduction Transducer | BCE-1 22 × 14 mm2 Bone Conducting Exciter (Dayton Audio, Springboro, OH, USA) |
Amplifier | MH-M18 (SMG, Shanghai, China) |
Audiometer | AMC493B (Larson Davids, Depew, NY, USA) |
Sound sources | A: (Base) Handpiece noise |
B: Handpiece noise + Music | |
C: Handpiece noise + Notch-filtered music | |
Subjective noise intensity | 6 dB |
0 dB | |
6 dB |
Music (Ex: BTS, “Butter”) | Notch-Filtered Music | |
---|---|---|
Total RMS Amplitude | −15.89 dB | −18.36 dB |
Average RMS Amplitude | −18.80 dB | −20.06 dB |
Loudness (Legacy) | −14.36 dB | −17.61 dB |
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Jo, Y.; Kang, W.; Hong, S.; Bandoy, J.V.; Kwon, H.-S.; Kim, H.; Song, E. A Study on the Psychological Noise Reduction Effect on Dental Handpiece Noise through the Bone Conduction Speaker Equipped Unit Chair and Notch-Filtered Music. Appl. Sci. 2023, 13, 359. https://doi.org/10.3390/app13010359
Jo Y, Kang W, Hong S, Bandoy JV, Kwon H-S, Kim H, Song E. A Study on the Psychological Noise Reduction Effect on Dental Handpiece Noise through the Bone Conduction Speaker Equipped Unit Chair and Notch-Filtered Music. Applied Sciences. 2023; 13(1):359. https://doi.org/10.3390/app13010359
Chicago/Turabian StyleJo, Yeabon, Woojin Kang, Sungwoo Hong, Joseph Vermont Bandoy, Hyuk-Sang Kwon, Heejung Kim, and Eunsung Song. 2023. "A Study on the Psychological Noise Reduction Effect on Dental Handpiece Noise through the Bone Conduction Speaker Equipped Unit Chair and Notch-Filtered Music" Applied Sciences 13, no. 1: 359. https://doi.org/10.3390/app13010359