**Acknowledgements**

**Figure 8.** Histological section of zirconia implant inserted into a minipig. The tight connection of the soft tissue to the

WhiteSky Bredent Medical & Co http://www.bredent-medical.com/en/medical/product-informations/

Z-Look3 Zirkolith http://zsystems.com/en/doctors/products-z5-zirkolithr-ceramic-

Many zirconia implants are commercially available. The most famous products are listed in **Table 1**. Even if all available implants are constituted by Y-TZP, the surface characterization (regarding in particular some parameters such as carbon contamination and phase transfor‐

id\_structure=7&portail=2&langue=en

implants/z5m-lblc-zirkolithr-implant.html

2002/14/ Ceraroot **Oral Iceberg L.L.C.** http://www.ceraroot.com/professionals/products/implants

Axis Axis Biodental http://www.axis-biodental.ch/biodentalnew.php?

Incermed http://www.incermed.ch

Zit-Z Ziterion http://www.ziterion.com

implant surface is shown (courtesy of Dr. Mai, University of Dresden).

**Product Manufactory Web site**

**8. Available products**

100 Dental Implantology and Biomaterial

Y-TZP BIO-HIP Sigma®

The authors thank Prof. Andrea Enrico Borgonovo, University of Milan, for the clinical and radiographic documentation of zirconia implants, and Dr. Mai, University of Dresden for the histological documentation
