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Orthodontic spacer removal. [2] Spacers are usually used to put spaces in between teeth before braces are established. It can be agitating or painful, but patients are often warned not to pick at them or they will fall out. They are usually rubber, but sometimes they can be metal. They can be used when a patient's teeth are too close together.
Teeth to be braced will have an adhesive applied to help the cement bond to the surface of the tooth. In most cases, the teeth will be banded and then brackets will be added. A bracket will be applied with dental cement, and then cured with light until hardened. This process usually takes a few seconds per tooth.
In this procedure, a dentist or orthodontist attaches braces to certain teeth (typically the canines and premolars) and inserts wiring, but not elastics, between the upper and lower teeth in a figure-8 pattern. The wiring is removed periodically to allow the jaw joints to move freely, especially in the vertical direction.
It is a general rule to expand the maxilla to a point where the lingual cusp of maxillary molar teeth touch the buccal cusp of mandibular molar teeth. Studies done decades ago by Krebs [ 14 ] (1964), Stockfisch [ 15 ] (1969) and Linder Aronson [ 16 ] (1979) showed that about one-third to one-half of the expansion was lost before the expansion ...
Adhesive dentistry is a branch of dentistry which deals with adhesion or bonding to the natural substance of teeth, enamel and dentin.It studies the nature and strength of adhesion to dental hard tissues, properties of adhesive materials, causes and mechanisms of failure of the bonds, clinical techniques for bonding and newer applications for bonding such as bonding to the soft tissue. [1]
Successively thicker wires are placed as the arches round out and as the teeth level. The next-larger wire is used when it may be passively placed in the brackets. The use of initial light wires and the passive placement of subsequent heavier wires made of stainless steel and/or a TMA alloy may reduce the pressure exerted on the periodontal ...
With lingual braces, brackets are adhered to the underside of the teeth on the top arch, bottom arch or both arches. Most patients choose lingual braces for aesthetic reasons, as they cannot be seen. Orthodontists that offer lingual braces will often suggest putting lingual braces on the upper teeth and clear ceramic braces on the bottom though ...
The ideal wires to use in this phase of treatment is a Nickel-Titanium archwires. Low stiffness will allow small forces to be produced when the wire is engaged in the bracket slots of teeth. High strength would prevent any permanent deformation when the wire is engaged in teeth which are severely crowded. [20]