Professor H. S. Gray, School of Dentistry, University of Otago, Box 647, Dunedin, New Zealand. Fig. There is a wide variety of dental bridges. Metal ceramic bridge : When the strength of metal is required together with a tooth-coloured retainer or pontic, metal – ceramic is the best material All – ceramic bridge : limited to two-unit cantilever bridges or three-unit fixed-fixed bridges. ... Fixed-movable bridge 3. This patient wanted us to put all of the normal surface textures and … Cantilever Bridge. Cantilever bridge: A typical type of cantilever bridge is the 3-unit cantilever bridge. Indications Local: 1) A bridge indicated whenever there are probably distributed healthy teeth that serve as abutments. A bridge has two parts, the pontic and the crowns. Corresponding Author. 2.-Extension arm (A) of the silver cap on the crowns of the teeth opposing the poetic. A cantilever bridge is like a springboard, with a beam (called the cantilever) projecting horizontally in space, and attached on one side. Dental bridges are also used to protect and reshape teeth that have undergone major destructions and prevent complications that may arise as a result of tooth loss.. This consists of two abutment crowns that are positioned side by side on the same side of the missing tooth space. Today, Rochette bridges can still be considered as an immediate provisional tooth replacement when ease of removal is a benefit. Spring cantilever bridges already being worn were used as indicators. cantilever bridge and a spring bridge, the difference being the distance between the pontic and the retainer. The pontic is then connected to the two crowns which extend into the missing tooth space. Spring Cantilever bridge 5. The technique for this investigation was as follows. The pier to which it is attached has another beam in the opposite direction to counterbalance the weight of the cantilever. Compound bridge . Cantilever bridge 4. H. S. GRAY. Dental bridges consist of artificial teeth and crown which are used to bridge the gap in the jaw created by one or more missing teeth. Academia.edu is a platform for academics to share research papers. Movement of abutment teeth in spring cantilever bridges: a laboratory study. The right lateral was congenitally missing and a PFM bridgework was employed to replace it. Department of Crown and Bridge, School of Dentistry, University of Michigan. The pontic is the middle part that occupies the empty position and can be made of gold, alloys, porcelain. 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