A 42-year-old member asked:

My dentist says you can't have a gold crown atop a tooth which has a silver filling since it creates a magnetic pull?

3 doctor answers • 6 doctors weighed in

Dr. Theodore Davantzisanswered

Dentistry 42 years experience

Magnet, no: Galvanic action, possibly. There would be two dissimilar metals contacting each other, and with the salts in your saliva, you can have an exchange of ions, like a battery. Have your dentist explain this to you further and your treatment options.

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5.1k viewsReviewed >2 years ago

Dr. Sandra Eleczko

Dr. Felicia Mata

Dr. Sandra Eleczko and another doctor agree2 doctors agree

Dr. Felicia Mataanswered

Cosmetic Dentistry 27 years experience

Galvanic shock: Gives a sharp and jolting feeling due to electric current caused by these metals.

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5k viewsReviewed >2 years ago

Dr. Theodore Davantzis

Dr. Theodore Davantzis agrees1 doctor agrees

Dr. R Lee Hinson commented

Dentistry 40 years experience

Yes, the possibility exists for this phenomenon in some patients. However, it's fairly rare. Consider a ceramic crown to eliminate the possibiliy

Jul 20, 2013

A Verified Doctor commented

A US doctor answered Learn more

Also the amalgam filling can be replaced w a composite filling before placing a gold crown

Jul 20, 2013

Dr. Paul Grinanswered

Pain Management 38 years experience

Trust your DDS: Gold crowns, on top of amalgam, create a permanent galvanic cell and compromise the outcome.

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2.1k viewsAnswered >2 years ago

Similar questions

A 34-year-old member asked:

My dentist says you can't have a gold crown atop a tooth which has a silver filling since it creates a magnetic. Other opinions?

2 doctor answers • 3 doctors weighed in

Dr. Gary Sandleranswered

Dentistry 56 years experience

My opinion\advice: Technically and theoretically, two dissimilar metals in the presence of saliva which is acidic may create a galvanic response causing some 'shock'. In reality, this has never been a problem for me or my patients. It can happen and is often mild and temporary. Other options are to replace the silver filling with a composite filling, or use a ceramic crown.

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4.9k viewsReviewed >2 years ago

Dr. Sandra Eleczko

Dr. Sandra Eleczko agrees1 doctor agrees

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Related questions

A 17-year-old female asked:

My front tooth undergone a root canal instead of putting a crown after the treatment, my dentist put a permanent filling. Is it the same with crown?

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A small part of old filling for tooth fell off. Dentist discourage refilling and wants to do crown. No insurance so what is best?

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Im curious. Can gold and silver cavity fillings only be done on the top of back teeth/molars? Ive never seen a person with them on other teeth or on the sides of a tooth, is it just not done for aesthetics or is it just not possible?

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Last updated Oct 26, 2015

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