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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 ...
Cast base-metal alloys are rarely used to make full metal crowns. They are more commonly used as part of metal-ceramic crowns as bonding alloys. When compared to high-noble and noble alloys, they are stronger and harder; they can be used in thinner sections (0.3mm as opposed to 0.5mm) however they are harder to adjust and are more likely to ...
If porcelain is to be applied to the gold crown, an additional minimum of 1 mm of tooth structure needs to be removed to allow for a sufficient thickness of the porcelain to be applied, thus bringing the total tooth reduction to minimally 1.5 mm. For porcelain or ceramic crowns the amount of tooth reduction is 2 mm. For metal, it is 1 mm.
Full-porcelain dental materials include dental porcelain (porcelain meaning a high-firing-temperature ceramic), other ceramics, sintered-glass materials, and glass-ceramics as indirect fillings and crowns or metal-free "jacket crowns". They are also used as inlays, onlays, and aesthetic veneers. A veneer is a very thin shell of porcelain that ...
Chrome-cobalt disc with bridges and crowns manufactured using WorkNC Dental CAD/CAM. CAD/CAM dentistry is a field of dentistry and prosthodontics using CAD/CAM (computer-aided-design and computer-aided-manufacturing) to improve the design and creation of dental restorations, [1] [2] especially dental prostheses, including crowns, crown lays, veneers, inlays and onlays, fixed dental prostheses ...
Porcelain fused to metal; Complete porcelain; Ceramic restorations can be built on a refractory die, which is a reproduction of a prepared tooth made of a strong material with the ability to withstand high temperatures, or it can be constructed on a metal coping or core.
A lingual plate is a type of mandibular major connector that is used in a removable partial denture in the field of dentistry. [1] It is a type of major connector that covers the lingual gingival tissues. It also prevents forces from being directed facially. Once fabricated, adding teeth to this type of major connector is easier than the ...
In restorative dentistry, precision attachments are the functional mechanical parts of the removable partial denture made of plastic, metal or a combination of both. [1] They consist of two parts referred as the 'male' part that is fixed to a crown inside the patient's mouth and a 'female' part which holds the partial denture.