Table 2 Inclusion and exclusion criteria

From: Is noise-induced hearing loss increased in dental clinicians who use the high-speed handpiece compared to dental professionals who use other noise inducing dental equipment?

Inclusion

Exclusion

All study designs which compare PTA hearing thresholds among dental clinicians/professionals

Studies comparing hearing loss in dental clinicians/professionals to other professions

Evidence from peer reviewed and non-peer reviewed journals

Studies which include dental clinicians/professionals diagnosed with a hearing impairment

 

Studies which compare sound levels near participants ears rather than audiometric testing

 

Studies which use HFA or OAE only without PTA

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