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Dental crowns are custom-fitted caps placed over damaged teeth to restore them to their usual shapes and sizes or to strengthen weak ones that have undergone root canal treatment.

Your dental crowns Adelaide dentist will suggest the appropriate crown type based on your unique requirements, such as:

Porcelain

When people refer to crowns made of porcelain, they usually mean those composed of porcelain fused to metal; however, all-porcelain crowns may also be available and preferred among patients who prefer ceramic over metal, as well as those who may experience metal allergies.

As part of the crowning process, your tooth will first be numbed before having its chewing surface filed down in order to create space for the crown. All-metal crowns require less filing than porcelain-fused-to-metal (PFM) crowns.

Once your tooth has been prepared, a dental impression will be made using putty or mould and used as a model during the fabrication of its crown. A temporary dental crowns Adelaide will be provided while waiting for its permanent counterpart to arrive, and once complete, it will be cemented into place by your dentist – with proper care, they should last a lifetime!

Zirconia

Zirconia crowns are strong and resilient restoration options. Unlike porcelain restorations, zirconia crowns do not crack under wear-and-tear forces like bruxism. As a result, your dentist can preserve more natural tooth structure while improving the aesthetics of restorations using zirconia crowns.

Zirconium crowns boast lower thermal conductivity compared to other dental materials. It can prevent extreme fluctuations in temperature from being transferred through to natural teeth around it and help alleviate hypersensitivity that many patients experience with other crown types.

Zirconia crowns come in both solid (monolithic) and layered styles, with monolithic zirconia being more opaque for posterior restorations while translucent-appearing layered zirconia restorations are better for anterior restorations. Both styles utilise CAD/CAM technology, enabling us to meet each patient’s unique needs while reducing errors during placement and cementation.

Base Metals

Base metal crowns involve bonding a metal framework to a layer of porcelain through high temperatures, creating an extremely durable restoration with a more natural appearance than full-cast crowns but less durable than other types.

Choose Your Base Metal Alloy Wisely: Dental Crown Fabrication Various base metal alloys are used for fabricating dental crowns, each offering distinct physical properties that may affect its final result. Selecting an alloy carefully can make a huge difference:

Alloys

Alloys are combinations of metals mixed and used in specific proportions to achieve certain physical properties, creating materials that may be stronger, harder, or more flexible than their metal components.

Metal dental crowns Adelaide can be fabricated with gold, platinum or base metal alloys (such as nickel-chromium and cobalt-chromium alloys) – or combinations thereof – to produce strong crowns that require less of your natural tooth structure to be extracted for installation. They’re also very durable without wearing down adjacent teeth.

Emax

Unlike traditional crowns that contain metal, these porcelain crowns are not prone to chipping. The material is extremely durable and can last up to 15 years if proper care is given.

Emax crowns use a tooth-coloured tetragonal zirconia core with a translucent porcelain layer to mimic the appearance of natural teeth. It allows for greater transparency than monolithic zirconia, resulting in natural colour dynamics that are closer to the enamel/dentin interface than that of solid monolithic zirconia.

The all-ceramic nature of the Emax material also makes it easier to blend in with natural teeth than other types of crowns that have a mixture of ceramic and metal. It eliminates the dark line that can sometimes be seen at the gumline with PFM crowns and other older types of ceramic-based crowns.

These crowns are fabricated using the CAD/CAM method, which uses an electronic photographic model of the tooth to create the restoration design. The milling machine then cuts the restoration from a solid ingot of ceramic in a shade that matches the tooth.

Dental crowns are used to repair teeth that are damaged or weakened by root canal treatment, tooth decay, trauma, or other reasons. They protect the remaining tooth and improve its size, shape, and appearance.