The primary consideration of choice is the comfort of the clinician, which is essential to reduce the impact of repetitive strain injuries. There are various handles available. A larger diameter handle can prevent finger cramps and reduce hand fatigue. Many manufacturers offer a choice of metal or resin handles. Color coding increases the convenience of identifying specific devices in tray Settings
Some factors determine the comfort and comfort of the instrument handle:
1. The weight of the hollow handle of the working weight is lighter and the tactile sensitivity is improved.
2. The diameter ranges from 3/8 to 3/16, and may be round or hexagonal in cross section. Large diameter is easier to maintain, can reduce muscle fatigue.
3. The texture map of the project increases control and reduces hand fatigue.
4. Balance the shaft alignment of the working end to the handle. Balance allows finger pressure to move more effectively to the end of the job, reducing muscle pressure in the hands and arms.