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2. Crown (dental restoration) - Wikipedia

   en.wikipedia.org/wiki/Crown_(dental_restoration)

   [15] [55] [56] Where the traditional indirectly fabricated crown requires a tremendous amount of surface area to retain the normal crown, potentially resulting in the loss of healthy, natural tooth structure for this purpose, the all-porcelain CAD/CAM crown can be predictably used with significantly less surface area. As a matter of fact, the ...

3. Dental porcelain - Wikipedia

   en.wikipedia.org/wiki/Dental_porcelain

   Dental porcelain (also known as dental ceramic) is a dental material used by dental technicians to create biocompatible lifelike dental restorations, such as crowns, bridges, and veneers. Evidence suggests they are an effective material as they are biocompatible , aesthetic , insoluble and have a hardness of 7 on the Mohs scale .

4. Fixed prosthodontics - Wikipedia

   en.wikipedia.org/wiki/Fixed_prosthodontics

   If porcelain is to be applied to the gold crown, an additional minimum of 1 mm of tooth structure needs to be removed to allow for a sufficient thickness of the porcelain to be applied, thus bringing the total tooth reduction to minimally 1.5 mm. For porcelain or ceramic crowns the amount of tooth reduction is 2 mm. For metal, it is 1 mm.

5. Dental restoration - Wikipedia

   en.wikipedia.org/wiki/Dental_restoration

   Full-porcelain dental materials include dental porcelain (porcelain meaning a high-firing-temperature ceramic), other ceramics, sintered-glass materials, and glass-ceramics as indirect fillings and crowns or metal-free "jacket crowns". They are also used as inlays, onlays, and aesthetic veneers. A veneer is a very thin shell of porcelain that ...

6. Veneer (dentistry) - Wikipedia

   en.wikipedia.org/wiki/Veneer_(dentistry)

   The cost of veneers can vary depending on the experience and location of the dentist. In the US, costs range anywhere from $1,000 a tooth upwards to $3,000 a tooth as of 2011. [needs update] Porcelain veneers are more durable and less likely to stain than veneers made of composite. [25]

7. Boy racer who left friend dying in crash detained

   www.aol.com/news/boy-racer-left-friend-dying...

   A "cowardly" boy racer who fled and left his 15-year-old friend dying in the wreckage of a crashed car has been detained. Billy Conroy was 16 when he crashed a Mazda6 in Newcastle while fleeing ...