Can an xray show a bad tooth?

Yes: Xrays are often used to be able to see cavities and other dental problems.

Yes dental: X-rays are routinely used to diagnose tooth decay and pathology. Hope this helps.

ABSOLUTELY!!: X-rays are meant to show signs of problem inside an organ, specially when there is no way of seen with our bare eye.

Yes: Dentists use Xrays frequently to evaluate the teeth and bones that hold the teeth in place.