Table 2 A summary of the average procedure time, energy and water usage, and the estimated usage time of instruments during each procedure. Units in minutes and kilowatt hours. Adapted from Duane et al. [25]
Dental unit use by procedure type | Â |
|---|---|
 Duration (mins) | 180 |
 Water Usage (ml) | 500 |
Machines used and rating | Equipment usage Per appointment type (mins) | kWh endo |
|---|---|---|
Dental unit motor (400 W) | 3 | 1.2 |
Dental light (30-40 W) | 180 | 7.2 |
Unit screen (20-30 W) | 0 | 0 |
Instrument light (2,5 W) | 45 | 0.1125 |
Suction (9 kW) | 45 | 1.875 |
Machines operated by compressor (9 kW) | 60 | 9 |
| Â | Â | Total power consumed |
| Â | Â | 19.3875 |