If it is the most expensive, it should be zirconia. The teeth are all made of zirconia. CT MRI has no effect. Before CT, you should tell the doctor who did CT that it is nonmetallic, but you didn't say whether he made a post or a core for you. If it is a fiber post or a metal post, there will be no metal silver tip in the root canal. This kind of solid filler should be seldom used.
1 All-ceramic teeth contain no metal and are harmless to the body if properly made.
Normal root fillings are metal-free. Ask the doctor if he has prepared the post and core materials for you.
All-ceramic crown does not affect ct nuclear magnetic resonance
This question is asked by the doctor who took the CT.