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The All-on-4 treatment concept is a prosthodontic procedure (i.e replacement of missing teeth) that provides a permanent, screw-retained, same-day replacement for the entire upper and / or lower set of teeth with a bridge or denture. The procedure is best for patients with significant tooth loss or decay, and for people whose bone loss in the ...
The modern resin-retained bridge retaining wing is usually sandblasted with an alumina powder. The metal wing needs to engage as much of the sound enamel. In the majority of cases the metal wing is taken to the incisal edge of anterior teeth and overlapping of the occlusal (biting) surface of the teeth for posterior teeth.
There is archeological evidence that humans have attempted to replace missing teeth with root form implants for thousands of years. Remains from ancient China (dating 4000 years ago) have carved bamboo pegs, tapped into the bone, to replace lost teeth, and 2000-year-old remains from ancient Egypt have similarly shaped pegs made of precious metals.
The survival rate of bridgework can be affected by the span of bridge needed, the proposed position of the bridge, and the size, shape, number and condition of planned abutment teeth. [7] Furthermore, any active disease including caries or periodontal disease should be treated and followed by a period of maintenance to ensure patient compliance ...
Management of congenitally absent teeth in one arch with crowding present in the other arch. Premature loss of permanent dentition from caries, trauma, iatrogenic damage or developmental abnormalities. The tooth of choice to replace a tooth missing in the anterior maxillary region is the maxillary second premolars.
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). The part of the bridge which replaces a missing tooth and attaches to the abutments is known as a "pontic". For multiple missing teeth, some cases ...