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parallel vs. tapered [9] [13] smooth-sided vs. serrated vs. threaded [14] post only vs. with additional single-circle ring [15] In a classic case one of the best designs for a post to decrease the risk of failure is the narrowest and longest smooth, parallel post that one can fit into the post space. Utilizing the longest possible post ensures ...
A bridge is used to span, or bridge, an edentulous area (space where teeth are missing), usually by connecting to fixed restorations on adjacent teeth. The teeth used to support the bridge are called abutments. A bridge may also refer to a single-piece multiple-unit fixed partial denture (numerous single-unit crowns either cast or fused together).
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.
Dental implant, 3D illustration. A dental implant (also known as an endosseous implant or fixture) is a prosthesis that interfaces with the bone of the jaw or skull to support a dental prosthesis such as a crown, bridge, denture, or facial prosthesis or to act as an orthodontic anchor.
The following casting alloys are mostly used for making crowns, bridges and dentures. Titanium, usually commercially pure but sometimes a 90% alloy, is used as the anchor for dental implants as it is biocompatible and can integrate into bone. Precious metallic alloys. gold (high purity: 99.7%) gold alloys (with high gold content) gold-platina alloy
A three unit porcelain fused to metal bridge (PFM) made by a dental technician A semi-precision attachment between teeth #3 and #4, with the mortise on #4. Note the lingual buttons extending, in the photo, upward on #2 (on the left) and downward on #4. These are used to grasp the crowns with a hemostat and make them easier to handle. They can ...