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An Akers' clasp is the classic direct retainer for removable partial dentures. [1] Named after its inventor, Polk E. Akers, this suprabulge clasp consists of a rest, a guide plate, a retentive arm and a reciprocal arm. Akers' clasps, as a rule, face away from an edentulous area. Should they face the edentulous area, they are termed reverse ...
Fixed prosthodontics is the branch of prosthodontics that focuses on dental prostheses that are permanently affixed (fixed). Crowns, bridges (fixed dentures), inlays, onlays, and veneers are some examples of indirect dental restorations.
A multi-unit abutment (MUA) is an abutment most commonly used with dental implants in "All-on-Four" protocols. [1] [2] They are designed for screw-retained group restorations, [3] which are often used in combination with angled dental implants [4] and whole arch replacements, as well as screw fixation of bridges made of zirconium or metal-ceramic group restorations to the implant.
In dentistry, an abutment is a connecting element. [1] This is used in the context of a fixed bridge (the "abutment teeth" referring to the teeth supporting the bridge), partial removable dentures (the "abutment teeth" referring to the teeth supporting the partial) and in implants (used to attach a crown, bridge, or removable denture to the dental implant fixture).
Abutment: The tooth that supports and retains a dental prosthesis. [2] Pontic: The artificial tooth that replaces a missing natural tooth. [2] Retainer: The component attached to the abutment for retention of the prosthesis. Retainers can be major or minor. [3] Unit: Pontics and abutment teeth are referred to as units. The total number of units ...
The dental dam sheets are predominantly made from rubber materials such as latex or nitrile and tend to be 15 cm by 15 cm in length and width. The thickness of each dam sheet is approximately between 0.14 mm and 0.38 mm but the size, shape, colour and material that the dam sheet is made from can vary with differing manufacturers.
Prosthodontics is the dental specialty that focuses on dental prostheses. Such prostheses are used to rehabilitate mastication (chewing), improve aesthetics, and aid speech. A dental prosthesis may be held in place by connecting to teeth or dental implants , by suction, or by being held passively by surrounding muscles.
Removable retainers include Hawley, Vacuum-formed, Begg and Barrer. They provide orthodontic retention when worn and they can be taken in and out of the mouth. They can be worn part-time or full-time if required or as advised by the orthodontist. In comparison to fixed retainers, removable retainers are easier to clean. [1]
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related to: dental implants retainer questions printable sheets form a part 3