If you've ever had needle phobia, you might like to learn about a new technology referred to as an “anesthesia wand,” which is a computer-controlled dental-injection tool. In fact, some people feel it is more of a “magic” wand because it doesn't look like a typical injection and it works even better by making the entire process virtually painless.
Your anesthesia will be delivered through a syringe-free wand or pen-like device that is connected to a computer. Before the tiny needle attached to the wand is inserted, the computer delivers a small amount of anesthetic so that the insertion site starts going numb before the needle enters the skin.
Once the needle is in place, the computer delivers an accurate, consistent amount of anesthesia so that you remain comfortable — typically below the threshold of pain. The computer's microprocessor automatically adjusts the injection pressure for different tissue densities, maintaining a constant, comfortable flow of anesthesia. This is important because the culprit with most injection anxiety is discomfort from anesthetic being injected too quickly, not from the needle entering the skin.