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In dentistry, a crown or a dental cap is a type of dental restoration that completely caps or encircles a tooth or dental implant. A crown may be needed when a large dental cavity threatens the health of a tooth. Some dentists will also finish root canal treatment by covering the exposed tooth with a crown.
The toe-third of the instrument should be adapted to the crown or root surface. [5] The working-end should be at a 70-80 degree angle to the tooth surface, and the lower shank should be tilted slightly towards the tooth surface to achieve correct angulation. [5] The type of strokes used may vary depending on the tooth surface being addressed.
Crowns placed using the Hall Technique have better long term outcomes (pain/infection and need for replacement) compared with standard fillings. [5] [6] [7] The technique has been used and found particularly valuable in a developing country with little access to dental services, or resources to support such services. [8]
Dental rotary instruments - boreri. A dental burr, or bur, is a type of cutter used in a handpiece. The burrs are usually made of tungsten carbide or diamond. The three parts of a burr are the head, the neck, and the shank. [4] The heads of some burrs (such as tungsten carbide burrs) contain the blades which remove material.
The functions of temporary crowns are: Maintain the dental aesthetic; Provisional restorations offer dental aesthetics purposes, especially for anterior teeth. A patient can evaluate the aesthetic of the temporary crown if that is to be changed in the definitive restoration. Maintain the tooth's function
However, most dental forceps are not designed for comfort, nor do they take the account of the dental practitioners hand positions throughout the procedure to mind. [9] Dental forceps have been designed to the point where dentists experience medical complications of their own on the carpal scale considering their hands are always placed in an ...
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