The air turbine and hearing loss: Are dentists at risk ...
2002-12-1 · Daily cumulative drill noise of 12 to 45 minutes falls within the recommended OSHA guidelines, which allow eight hours of exposure to a 90-dB sound pressure level stimulus. 30 However, the older drills produce 100 dB or more, and the allowable exposure durations are reduced to about two hours per day, according to the OSHA guidelines. 30 Fabry 30 recommended that dentists undergo …
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