Oral viscous lidocaine is a pain reliever used to treat mouth sores or irritated throats due to cancer chemotherapy and certain medical procedures. In 2014, the U.S. Food and Drug Administration issued a warning to parents and caregivers not to use oral viscous lidocaine to treat teething pain in infants and young children. The FDA warned that

Dental X-rays are a useful diagnostic tool when helping your dentist detect damage and disease not visible during a regular dental exam. How often X-rays should be taken depends on your present oral health, your age, your risk for disease, and any signs and symptoms of oral disease. For example, children may require X-rays more