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Top (left) and bottom (right) retainers Vacuum form retainer in the foreground (used on upper); illustration of an early Hawley retainer in the background. Orthodontic retainers are custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.
Retainers help in maintaining and stabilizing the position of teeth long enough to permit the reorganization of the supporting structures after the active phase of orthodontic therapy. If the patient does not wear the retainer appropriately and/or for the right amount of time, the teeth may move towards their previous position.
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.
The teeth selected to provide support should be healthy i.e. not decayed and no/ manageable gum disease, thus ensuring long term retention in the jaw. Feasibility of endodontic treatment Most of the time, the crown of the abutment teeth has to be removed to allow space for placement of overdenture without interfering the bite.
The provisional bridge is a transitional restoration that protects the teeth that are weakened by the preparation, and stabilises the dental tissues until the fabrication of the final restoration, moreover, it can pave the way to the aesthetics of the future permanent restoration and its appearance, which can help the patient accept the final ...
Those Housing Market Blues. Gen Z kids were born between 1997 and 2012, which means that as of 2023, the age range for Gen Z falls anywhere from 11 to 26 years old.
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 ...
(To be fair, it endured three trips to the beach, two days at the pool—which some jewelry makers say should be avoided—and 18 yoga classes, beyond day-to-day wear and tear.)