X-rays only detect metals like fillings and minerals like bone and teeth. It does not detect meat or soft tissue like gums. It is very helpful to detect anatomical features and varying densities like cavities in teeth or tumors in bone.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.