An intraoral scanner is high-tech equipment that allows us to obtain a 3D impression of the jaws and teeth. It is an indispensable part of aligner treatment. Scanning the teeth means capturing them with a large number of images per minute. The device is essentially a camera designed for use in the mouth. No X-rays or other kinds of radiation are used during scanning, so there is no radiation exposure. It's completely safe for children, pregnant women and all patients.
This answer is for general information. Your own case needs an examination by an orthodontist.