How Dental X–Rays Work. When the X–rays pass through the mouth, the teeth and bones absorb more of the ray than the gums and soft tissues, so the teeth appear lighter on the final X–ray image (called a radiograph). Areas of tooth decay and infection look darker because they don’t absorb as much of the X–ray.
To get a copy of your records request them from your dentist. Talk with your dentist about getting a copy of your dental records. Dentists covered by the Health Insurance Portability and Accountability Act (HIPAA) privacy rule are required to provide patients with a copy of their records and state law may also apply.
The more scans you have, the higher your lifetime exposure and therefore the higher your risk. The American College of Radiology recommends limiting lifetime diagnostic radiation exposure to 100 mSv. That is equal to 10,000 chest x-rays or up to 25 chest CTs. There are three types of diagnostic radiographs taken in today’s dental offices
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