The Fortress Crown is a fully contoured restoration created out of high quality zirconia material, some of the strongest metal-free dental material available.  The strength of the zirconia material in a Fortress Crown is so strong, it is an ideal crown for patient's who brux and grind when a metal occlusal PFM  won't stand up to the abuse.  The affordable price and strength makes this the first choice in metal-free posterior restorations.

Highlights:
Very high stability and strength
Perfect for bruxers and grinders
Inexpensive

Material Composition:
Zirconium Dioxide

Applications:
Posterior Crown when PFM Occlusal or full-cast is not appropriate

Flexural Strength:
>1000 MPa

Cementation:
Resin reinforced glass ionomer
Resin Cement

Preparation Guidelines:
Preparation Guide