1 Complete the requirements of at least one major degree program. 2  Complete at least 120 semester hours (some degree programs require more than 120 hours). 3  Complete at least 60 semester hours at Rice University.4  Complete at least 48 hours of all degree work in upper-level courses (at the 300 level or higher). Complete the requirements of at least one major degree program. 2  Complete at least 120 semester hours (some degree programs require more than 120 hours). 3  Complete at least 60 semester hours at Rice University.
X-rays are waves of electromagnetic radiation that are absorbed differently by different tissues. Bones absorb them well because they are dense. A skeletal X-ray specifically looks at your skeletonâwhich is made up of all the bones in your body.
Different types of intraoral x-rays may include: Bitewing X-Rays:These show the upper and lower teeth in one particular region of the mouth in a great amount of detail. The tooth is shown from the top of the crown which is the part visible in the mouth, right down to the bone supporting the tooth. This type of dental x-ray is generally used to show any cavities in between teeth, and it can also show any changes to the bone levels surrounding teeth that may indicate gum disease.