There are two main categories of dentures, the distinction being whether they are used to replace missing teeth on the mandibular arch or on the maxillary arch.
A typical gurn might involve projecting the lower jaw as far forward and up as possible, and covering the upper lip with the lower lip, though there are other possibilities.
Facemask or Reverse-pull Headgear is used to control the growth of the maxillary and mandibular bones during orthodontic treatment.
Kennedy Class I RPDs are fabricated for people who are missing some or all of their posterior teeth on both sides (left and right) in a single arch (either mandibular or maxillary), and there are no teeth posterior to the edentulous area.
The figure is described as a sling to set and bind a broken jaw, with the chin being placed in the center of the figure and the four loops tied near the top of the head.
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Buccal bifurcation cyst is an inflammatory odontogenic cyst, of the paradental cysts family, that typically appears in the buccal bifurcation region of the mandibular first molars in the second half of the first decade of life.
The symptoms are necrosis of the mandible (lower jawbone) and the maxilla (upper jaw) as well as constant bleeding of the gums and (usually) after some time, severe distortion due to bone tumours and porosity of the lower jaw.