The hoops are made of a special material (porcelain) as an internal skeleton covered with a special ceramic material. The absence of metallic skeleton gives stunning beauty and naturalness and restorations are very close to natural teeth in terms of transparency and the iridescence.
But have disadvantages such as:
• Reduced resistance than other types of crowns
• High construction cost
You should avoid these kinds of hoops:
• When there are disturbances in the convergence
• When the patient has the grip of grinding teeth (paraleitourgikes habits)
• As and when applying large chewing forces
Ceramic Corona