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Which is the best crown after RCT for MRI patients?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I suffer from seizures and had RCT for my top right molar. I have not placed a crown for the molar because I am unsure which crown will be best for me. Every six to nine months, I must undergo an MRI. My dentist told me I could only use a very expensive zirconium crown. After consulting another dentist, he told me I could use any crown except metal.

Please help me determine which crown is best suited for me.

Thank you very much for your guidance in advance.

Answered by Dr. Beryl F

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I understand your concern.

Unfortunately, there are few options besides metal-free crowns, such as zirconium and all-ceramic crowns. Zirconia is the best material for your situation because it can withstand molar forces, whereas all-ceramic crowns can only be used on the front teeth with little biting force.

However, if you need some time to save up for the zirconium crown, you can opt for temporary resin crowns (PMMA). These semi-permanent crowns can only last a few months because resin crowns cannot withstand molar forces for extended periods. PMMA (polymethyl methacrylate) crowns are safe for MRI (magnetic resonance imaging).

I hope this has helped you.

Thank you.

Answered by Dr. Beryl F
Medically reviewed by iCliniq medical review team
Published At September 22, 2022
Reviewed At June 5, 2026

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

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