Dental x-rays are used to diagnose disease, imperfections, and injuries of your mouth. It can help identify issues with your teeth, gums, or bones. These special types of pictures allow your dentist to determine exactly what’s going on inside your mouth, and suggest the best treatment for you.
What is a dental x-ray?
X-rays use electromagnetic radiation to penetrate your body and create an image on film. Dense structures like fillings or metal restorations block the energy and appear white on film, while structures containing air look black on film. Teeth, tissue, and fluid appear in shades of gray. Your dentist is trained to view the x-ray film to identify the various structures and any potential concerns.
Are there different types?
There are various types of x-rays that your dentist may use. Some, like the bitewing, require you to bite on a paper tab while the x-ray is performed. A panoramic x-ray involves a machine that rotates externally around your head. It captures your jaws and teeth in one shot, and is ideal for planning dental implants, viewing wisdom teeth, and identifying jaw problems. Panoramic x-rays, however, are not the best option for detecting cavities.
What should I expect when getting a dental x-ray?
This test is performed at your dentist’s office, and no special preparation is required on your part. However, you should tell your dentist if you are pregnant so that radiation precautions may be taken or the x-ray may be postponed. X-rays do not cause pain or discomfort, and there is very little radiation exposure. Your dentist will cover your body with a lead apron, however, to reduce exposure.
What’s a digital x-ray?
Many dentists take x-rays using digital technology, which allows the image to travel through a computer. Digital x-rays transmit less radiation during the procedure than traditional x-rays.
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