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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.
Orthodontic technology is a specialty of dental technology that is concerned with the design and fabrication of dental appliances for the treatment of malocclusions, which may be a result of tooth irregularity, disproportionate jaw relationships, or both. There are three main types of orthodontic appliances: active, passive and functional.
The expansion process usually results in a large gap between the patient's two top front teeth, often known as diastema. This gap is closed naturally and the teeth may overlap which leads to braces being needed. Some may develop a large space while others do not develop a space at all.
An orthodontist may recommend headgear for a patient if their bite is more severely out of alignment. The device typically transfers the force to the teeth via a facebow or J hooks to the patient's dental braces or a palatal expander that aids in correcting more severe bite problems or is used in retention of the teeth and jaws of the patient.
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
Patients may need post-orthodontic surgery, such as a fiberotomy or alternatively a gum lift, to prepare their teeth for retainer use and improve the gumline contours after the braces come off. After braces treatment, patients can use a transparent plate to keep the teeth in alignment for a certain period of time.
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Clear aligners are orthodontic devices that are a transparent, plastic form of dental braces used to adjust teeth. [1] Clear aligners have undergone changes, making assessment of effectiveness difficult. [2] A 2014 systematic review concluded that published studies were of insufficient quality to determine effectiveness. [3]