Online Dental Education Library
This online library is intended to provide you with general concepts in Dental education. Since this is prepared by outside sources the information may not represent the actual procedures that we perform in our office and it may not represent our actual opinions on the information. Our dental team is well versed on our own opinions and procedures and we are dedicated to clarify any of this information for you. Keeping this in mind, please use this dental library as a guide to learn more about dental problems and treatments available. If you have questions or need to schedule an appointment, contact us.
When X-rays pass through your mouth during a dental exam, more X-rays are absorbed by the denser parts (such as teeth and bone) than by soft tissues (such as cheeks and gums) before striking the film. This creates an image on the radiograph. Teeth appear lighter because fewer X-rays penetrate to reach the film. Cavities and gum disease appear darker because of more X-ray penetration. The interpretation of these X-rays allows the dentist to safely and accurately detect hidden abnormalities.
How often dental X-rays (radiographs) should be taken depends on the patient`s individual health needs. It is important to recognize that just as each patient is different from the next, so should the scheduling of X-ray exams be individualized for each patient. Your medical and dental history will be reviewed and your mouth examined before a decision is made to take X-rays of your teeth.
The schedule for needing radiographs at recall visits varies according to your age, risk for disease and signs and symptoms. Recent films may be needed to detect new cavities, or to determine the status of gum disease or for evaluation of growth and development. Children may need X-rays more often than adults. This is because their teeth and jaws are still developing and because their teeth are more likely to be affected by tooth decay than those of adults.