The main types of Dental Imaging Machines are: 1. Intraoral Periapical x-rays: the most common type of x-ray taken at the dentist office, these x-rays show the whole tooth – usually in clusters in one portion of your upper or lower jaw. Because this is a pinpoint technique, it’s not suitable to image your entire mouth. Bite-wing x-rays: this is an image of both the upper and lower teeth in one area of your mouth. Each image shows the dentist your teeth from the crown to the supporting bone of the jaw. 2. Extraoral. Tomograms: a specialized type of x-ray that shows a particular layer of your mouth, helpful for dentists to examine specific structures normally hidden, but rarely used today. Panoramic x-rays: the classic image of all your teeth in both your upper and lower jaw. The image is a convenient way for your dentist to see everything on a single x-ray, helping them to spot emerging teeth, impacted teeth, and possible tumors. Dental computed tomography (CT): game-changing imaging that allows your dentist to look at the interior of your mouth in 3D. The imaging helps your dentist find cysts, tumors, and fractures.