Summary of dental equipment noise measurements compared with Control of Noise at Work regulations
Process | LCpk (dB) | LAeq (dB) | LCeq (dB) | Time to LEAV (h) | Time to UEAV (h) |
High speed | 79.3 | 67.4 | 66.7 | >24 | >24 |
Low speed | 81.5 | 64.8 | 64.2 | >24 | >24 |
Dry suction | 84.6 | 71.1 | 72.0 | >24 | >24 |
Wet suction | 92.3 | 75.9 | 75.9 | 20.6 | >24 |
Ultrasonic bath | 90.3 | 69.6 | 69.2 | >24 | >24 |
Ultrasonic scaler | 93.1 | 75.3 | 74.0 | 23.6 | >24 |
Steriliser | 102.2 | 51.2 | 59.0 | >24 | >24 |
Trimmer | 101.3 | 85.8 | 90.0 | 2.1 | 6.7 |
Airline | 113.2 | 97.3 | 95.4 | 0.15 | 0.47 |
Vibrating table | 101.5 | 83.5 | 86.9 | 3.6 | 11.3 |
LAeq, A-weighted equivalent continuous level; LCeq, C-weighted equivalent continuous level; LCpk, Peak noise level - C weighting; LEAV, lower exposure action value; UEAV, upper exposure action value.