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KMID : 1023420090090040453
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Journal of Dental Hygiene Science
2009 Volume.9 No. 4 p.453 ~ p.459
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A Study on the Dental Hygienists` Reactions to Noise When Occurred in Dental Clinic
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Choi Mi-Suk
Ji Dong-Ha
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Abstract
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The purposes of this research were to evaluate the relationships of between characteristics of noise and annoyance of dental hygienist by noise in dental clinic . To investigate the dental clinic workers‘ reactions to noise when occurred in dental clinic, the noise level test in dental clinic and questionnaire were taken. As a result of noise evaluation, It shows that the range of noise level was 67.7~78.3dB(A) and frequency was very high (more than 4KHz). It’s seem to be begins occurrence of stamina-loss, contraction of peripheral blood vessel, decrease of adrenocortical hormones. Most of respondents were affected by noise: 67% of respondents were nervous about noise and the rest of respondents were bearable. Analysis by NR-curve showed that it was exceed the noise permit level in working space. As a result of correlation - test, the more exposed dental hygienist to noise, the more felt the unpleasantness and fatigue. It’s hard to sufficient explanation to patients about the dental treatment. So it’s thoughts that insufficient explanation will negative impact on the patients’ satisfaction and increase competitiveness in dental clinics. To remedy a unpleasantness and fatigue of noise in dental hygienist, it’s considered that making an offer the ear protection and choosing the low noise-vib. equipment and using the masking effect. Therefore, It can be provide a pleasant working environment with dental hygienist and It will have a great advantage to dental clinics to improve their competitiveness.
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KEYWORD
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Characteristics of noise, Unpleasantness, Fatigue, Insufficient explanation
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