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Orthodontic separators (also known as spacers) are rubber bands or metal appliances used in orthodontics. Spacers are placed between the molars at the second orthodontic appointment before molar bands are applied. They are usually added a week before you get your braces, but can sometimes be added after.
Image 1: Insertion of a separator on a dental model. To enable the stainless steel crown to be placed on the tooth, there must be sufficient space between the teeth. If this space is not currently available, orthodontic separators may be placed between the tooth indicated for the Hall Technique and adjacent teeth (see image 1). [26]
Labial bow is a wire attached to the baseplate which goes around the incisor teeth to provide retention of those teeth. Labial bow usually have U-Loops at the end to allow it to activate more. Adams clasps are used for retention of these removable appliances and are usually fabricated in the molar areas.
Class 2 elastics are used from the lower first molar to the upper canine tooth. [1] They can be used for many different reasons, such as Class 2 malocclusions, to reinforce anchorage in a case where an extraction has been done, to allow the maxillary incisors to move backwards, and to correct midline deviation and allow buccal movement of ...
Usually, molar tubes are directly welded to bands, which is a metal ring that fits onto the molar tooth. Directly bonded molar tubes are associated with a higher failure rate when compared to molar bands cemented with glass ionomer cement. Failure of orthodontic brackets, bonded tubes or bands will increase the overall treatment time for the ...
A passive TPA solidarizes the two molars or the two posterior segments, thus preventing any individual independent movement, as for example molar rotation or tipping due to alignment wires, loops or cantilevers, and this is a kind of anchorage source, however, cannot prevent the movement of the 2 molars as a group, as in the case of premolar ...
Molar distalization is a process in the field of Orthodontics which is used to move molar teeth, especially permanent first molars, distally (backwards) in an arch. This procedure is often used in treatment of patients who have Class 2 malocclusion . [ 1 ]
EVA is a separator in HEPA filters. EVA can easily be cut from sheets and molded to shape. EVA can easily be cut from sheets and molded to shape. It is also used to make thermoplastic mouthguards that soften in boiling water for a user-specific fit.