The dental diode laser can be an incredibly useful tool in the operatory. Diodes don't take up much room but they can be helpful when troughing around a prep margin or performing a range of soft tissue treatments. With proper training they can become useful instruments in the hygiene room as well. For this reason, a diode that can be easily moved between treatment rooms is especially handy. Here is a side-by-side look at some of the portable dental diode lasers.