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Zirconia on waxup Oceanic Dental Laboratory
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Zirconia on waxup Oceanic Dental Laboratory
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ODFR115

Crown and Bridge

Full-ceramic Restorations

Zirconia tooth crowns and dental bridges are quickly becoming the most popular choice amongst dentists today. It is made from a form of crystal which is an imperishable and extremely long lasting material, which is important in creating long-lasting restorations.

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Materials

For the base of a PFM, a number of metals can be used ranging from the more affordable non-precious metals. These metals can form the strongest alloy and are a highly cost effective solution, however, they can cause some irritation to those with sensitives. Our value range of PFM crowns represents our most cost effective tooth coloured restoration.

We Fabricate Long-lasting Zirconia Dental Crowns

Zirconia structures from Oceanic Dental Laboratory are designed with 3D scans of the patient, impression, or model. The core is then milled from a single block in a soft pre-sintered state. Once milled, the Zirconia is sintered where it reaches its full strength of 1200MPa. These are typically five times stronger than porcelain fused to metal crowns.

Aesthetic Zirconia Restorations

Aesthetically, a Zirconia crown is pleasing to the eye as not only does it look like a real tooth, it also has the ability to reflect light in the same manner as a natural tooth. Because of this, Zirconia is a good choice for patients who might require a crown positioned at the front of their mouth as they offer a more realistic, streamlined, and less bulky option than some porcelain veneers.

Benefits

One of the major health benefits is that it is biologically safe to use in your mouth for many years and will not be rejected. The patient will also avoid having a black gum line which can be visible when using a porcelain fused metal crown.

Using a tooth crown allows the dentist to retain more of the original tooth, which means there is less preparation time needed to perform the procedure. This is not only beneficial to the dentist in man hours but also to the patient in a case where the crown has to be removed at a later date.

Downsides of Zirconia

Although the popularity of Zirconia dental crowns in Australia continues to rise, some dentists still prefer other options like PFM crowns or gold. This is due to it’s durable nature. A bridge or crown may cause friction against the root of the tooth it is fixed upon or the neighbouring teeth. Decay in teeth under a crown are often less noticeable until the crown falls off.

Types of Dental Restorations

Fully-Milled Zirconia

  • Fully-milled crowns are highly suited to restoring posterior crowns.
  • High strength 1200Mpa
  • Suitable for large span bridges and implant restorations
  • Moderate translucency
  • 8 basic shades that can be individually characterised
  • Blocks out underlying stump discolouration.

Ultra Translucent Zirconia

  • Full milled or layered design
  • High Strength at 600Mpa
  • Suitable for anterior restorations
  • High translucency
  • Superior strength to emax® restorations with comparable translucency
  • Does not block out underlying stump discolouration.

Porcelain Fused to Zirconia (PFZ)

  • Highly recommended and versatile solution
  • Best combination of aesthetics and strength
  • High durability
  • Highly customisable
  • Milled Zirconia frameworks with fused Vita VM 7
  • Blocks out underlying stump discolouration
  • Suitable for large span bridges, implants and complete mouth restorations
  • Great translucency

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