'Is Zirconia Meeting Expectations?'
Posted Jan 12, 2017 in Industry News
“Zirconia: is it meeting expectations?” asked Dr. Rella Christensen, PhD, in the title of her keynote presentation at the 13th annual DLOAC CAD/CAM Expo & Symposium in November in Garden Grove, CA. She followed by saying, “The short answer is yes; actually, it’s surpassing expectations.”
Her statement was based on findings in three clinical studies conducted by Christensen’s TRAC Research section of the non-profit Clinicians Report Foundation, including a new study of eight different zirconias, now at the one-year mark, and the following:
- In 2005, TRAC Research initiated a study involving 115 dentists and almost 300 three-unit posterior zirconia and PFM bridges to examine aging in the mouth of the new zirconia substructures compared to metal substructures. “The 10-year survival was 70% for metal, 61% for zirconia. Although...