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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.
Crown lengthening is a surgical procedure performed by a dentist, or more frequently a periodontist, where more tooth is exposed by removing some of the gingival margin (gum) and supporting bone. [1] Crown lengthening can also be achieved orthodontically (using braces) by extruding the tooth.
Bupivicaine HCl 0.5% + epinephrine 1:200,000 gives a long duration of action of pulpal anaesthesia at more than 90 minutes. [ 3 ] Multiple factors affect the depth and duration of local anaesthetics' action.
Pericoronitis is inflammation of the soft tissues surrounding the crown of a partially erupted tooth. [25] The lower wisdom tooth is the last tooth to erupt into the mouth, and is, therefore, more frequently impacted, or stuck, against the other teeth. This leaves the tooth partially erupted into the mouth, and there frequently is a flap of gum ...
Crown lengthening is a technique for increasing crown height of teeth by flap surgery with or without bone surgery. [3] There are two main types: Aesthetic crown lengthening which is performed when a "gummy" smile is an issue for the patient [3] Functional crown lengthening is used to make an unrestorable tooth restorable.
After sharp criticism from anesthesiologists, an insurance company is halting its plan to limit the amount time it would cover anesthesia used in surgeries and procedures.
Polycarbonate crowns [3] A tooth-coloured shell that is slightly larger than the tooth preparation is selected and is reduced to the correct dimensions using a bur until it seats fully on the tooth preparation without bedding into the gingiva. Petroleum jelly is smeared over the tooth and acrylic resin is spread over the fitting surface of the ...
Periradicular surgery has a risk of complications, which can be minimised by the surgeon. By identifying and managing any complications, long-term damage is usually prevented. Pain and swelling are common, and can be managed with prescription analgesics. A long-acting local anaesthetic may provide relief immediately after surgery. [14]