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Why are dentists saying that Zirconia dental implants are better than Titanium implants? Is this true?

It seems zirconia implants are a better option than titanium since zirconia doesn't have the same metallic properties as titanium, is just as strong, very good biocompatibility, fights off infection, eliminates galvanic current, less thermal conductivity, and doesn't corrode, which is something titanium could do over time, sending that corrosion into your system. It seems as though in a few years dentists will be saying, "oh, we don't use titanium anymore. Zirconia is a much healthier option." Am I wrong?

Doctor Answers 3

January 28th, 2014

Are Zirconia Implants better than Titanium implants

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There is no question that titanium implants have the best long term data to support their use.  The data on zirconia implants is much more limited.  Zirconia is a metal but the crystalline form of the metal so it doesn't act like a metal in the mouth.  

I am actually more concerned does the material match the patients immune system.  The Clifford test can tell whether your immune system is sensitive to a specific brand of implants.

Some of my referring doctors do not want their patients to have any metallic restorations or implants in their bodies and zirconia implants allow these patients an alternative to titanium.

Many years ago single crystal sapphire implants were also used but I don't hear much about them today.
Ira Shapira, DDS
January 28th, 2014

Ceramic Dental Implants vs. Titanium Dental Implants.

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Another great question.  Titanium has been used with great success as an implant to support a tooth replacement.  There are problems with titanium as you describe.  Zirconia does overcome these issue and provides strength and amazing gum health around them, which sometimes with titanium is not optimal.  Our practice uses over 80% CeraRoot Dental Implants in tooth replacement procedures and have had amazing success.  Titanium is still used in certain situations, but our ideal tooth replacement is CeraRoot.

Hope this helps.

Dan Hagi, DDS
Toronto Dentist

January 28th, 2014

MOST dentists do NOT suggest Zirconium implants

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Zirconium is a transitional metal, so "pick your metal".  It corrodes as well, just differently. I am not aware of any reports of corrosion ever causing problems with titanium implants (implant problems are for other reasons).  Zirc also has a higher fracture rate (not "just as strong" as you state), does not integrate with the bone as well, titanium IS biocompatible (the reason it integrates with bone is BECAUSE of its biocompatiblity).  I have seen no zirconium data stating it fights infection.  Galvanic currents require a dissimilar metal to get in close contact, and an implant never has that happen (so there is no risk for EITHER material).  Thermal conductivity is a non issue since the implant never leaves the bone and there are no nerves in bone to report any changes.

Titanium will not go away as a material of choice in implant dentistry in your or my lifetime.

Learn more: http://www.drtimmerman.com/services/restorative/dental-implants/

Lance Timmerman, DMD, MAGD

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These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.