Dentists use X-rays or radiographs to see the damage not visible during a clinical examination. Dental X-rays are images of the tooth and surrounding structures. There are two main types of dental X-rays. Intra-oral and extra-oral. Intra-oral X-ray especially the intra-oral periapical x-ray (IOPA-X-ray) is the most common type. These X-rays provide a lot of...