Dental crowns are cap-like structures placed on the tooth for various purposes including the restoration of the damaged tooth, protection of a weak tooth, covering misshaped or discoloured tooth, covering a dental implant or for cosmetic modifications. Dental crowns can be made of several materials, including ceramic and metal.
About Zirconium crowns?
Zirconium crowns are made of zirconia dioxide and this ceramic material has high strength, is difficult to crack and resembles the natural colour of the teeth.
Who qualifies for Zirconium crowns?
Patients requiring tooth restorations can benefit from Zirconium crowns. These crowns can be useful in restoring the structure of a damaged tooth, covering discolourations and tooth decay.
How is the procedure of placing Zirconium crowns performed?
Zirconium crowns are prepared in the dentist's office or laboratory once they receive appropriate measurements of the patient's tooth requiring crowning. These crowns can be installed in a single visit and require an hour or two for installation. The dentist applies local anaesthesia and the crown is cemented onto the tooth of the patient.
What are the types of Zirconium crowns?
The types of Zirconium crowns include:
- Full contour Zirconia: These crowns combine strength and aesthetics and are given to patients who require guidance with heavy bite or bruxism.
- Full contour all-translucent Zirconia: These crowns are mostly suited for cosmetic use and are used for layered restorations. The all-translucent zirconium has a colour and translucency that is very similar to natural teeth.
- Porcelain-fused-to-Zirconia: These crowns are formed by fusing porcelain to zirconium oxide. They allow more light to pass through them making them more suitable to be used on the anterior teeth.
What are the advantages of Zirconium crowns?
Zirconium crowns have gained immense popularity due to:
- Strength: One of the biggest advantages of zirconia is its strength and durability.
- Longevity: Zirconium is a strong material which makes this crown long-lasting.
- Bio-compatibility: Zirconium-based crowns are bio-compatible and there are hardly any reports of these crowns eliciting unwanted physiological responses.
What are the risks of a Zirconium crown?
Zirconium crowns are opaque and therefore look unnatural at times. Moreover, dentists often speculate that the hardness of this crown on certain teeth might put pressure on the opposing teeth causing increased wear and tear.
Zirconium crowns are great options for any person getting a dental crown. It is always recommended to talk to your dentist to devise a comprehensive plan for the dental crowning procedure.
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