OK, beautiful it’s not. But the air compressor may be the most important item in your office. When it goes down, so does much of the equipment you need to do dentistry. So, it’s important to select a compressor that has the capacity and features to meet your practice’s individual needs. Number of operatories, patient volume, specialty, and other variables will determine the horsepower, unit size, drying and cooling elements, number of heads, and other features you choose. If you are looking for a compressor, start here by comparing these three popular units—all oil-free for easy maintenance.