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The different materials for dental crowns and other indirect restorations

1.- Zirconia:

Zirconia, Zirconium or Zircon dioxide is a highly biocompatible “white” metallic material (reacts well with body tissues), chemically similar to titanium, which has been used increasingly frequently in dentistry. It is an extremely hard and resistant material, allowing for highly resistant restorations similar to the natural color of the teeth. It can be used to rehabilitate both natural teeth and dental implants. The most common problems with zirconia restorations are mainly that not all technicians and dental prosthetic laboratories have managed to handle the material to result in aesthetic restorations for the anterior sector. At Dental Digital we send our zirconia cases to a laboratory specialized in this material, even to rehabilitate the anterior sector, however, the final decision in the choice of material will be that of the prosthetist who will rehabilitate each case. On the other hand, in bruxist patients (who clench or grind their teeth), zirconia can wear down and/or cause damage to opposing teeth.

2.- Ceramics:

The ceramic used in dental restorations is known as Lithium Disilicate, it is a highly aesthetic material and relatively easy to work with, it is very useful for aesthetic restorations, it is quite resistant, and versatile. It is not recommended for very large restorations, or in the posterior sector (molars and premolars) in bruxist patients (who clench or grind their teeth) since they can fracture the restorations or make them last less than expected.

3.- Porcelain:

Porcelain has been used for decades in dentistry, evolving, modifying and achieving increasingly better results, both aesthetic and durable and resistant. Porcelain can be used for highly aesthetic restorations in the anterior sector such as veneers and crowns, and it can be used for restorations in the posterior sector as well, usually with an internal metallic layer that gives greater resistance to chewing forces in the posterior sector.

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