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Fixed retainers are often used to provide orthodontic retention and avoid relapse. [14] They commonly consist of a wire bonded with acid etch and composite to the lingual/palatal surface of the anterior teeth. In fixed retainers, composite is usually placed to bond and to cover the wire, whilst ensuring no interference in the interdental space.
Resin-retained-bridges should be considered when a fixed prosthesis retained by natural teeth is required. [3] The use has been driven by the advent of evidence-based dentistry showing the benefits to patients of reduced tooth preparation and the importance of an intact enamel structure for the long-term health of the teeth.
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).
Hawley retainers are the most common type of retainers. This picture shows retainers for the top (right) and bottom (left) of the mouth. In order to prevent the teeth from moving back to their original position, retainers are worn once the treatment is complete. Retainers help in maintaining and stabilizing the position of teeth long enough to ...
The thickness increases to 0.6 or 0.7mm wire if it is to move more teeth or a larger/multi rooted tooth. [8] Palatal Finger Spring - These springs are used to move teeth buccally or lingually. Buccal Canine Retractor - These springs are used to bring a buccally placed canine more lingual. Z-Spring - This spring is used to move one or two teeth ...
Fixed bridge: A dental prosthesis that is definitively attached to natural teeth and replaces missing teeth. [1] 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 ...
A palatal expander Upper and lower jaw functional expanders. A palatal expander is a device in the field of orthodontics which is used to widen the upper jaw [1] so that the bottom and upper teeth will fit together better. [2] [3] This is a common orthodontic procedure. The use of an expander is most common in children and adolescents 8–18 ...
Fixed retainers are a simple wire fixed to the tongue-facing part of the incisors using dental adhesive and can be specifically useful to prevent rotation in incisors. Other types of fixed retainers can include labial or lingual braces, with brackets fixed to the teeth. [48]
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