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Intercuspal Position (ICP), also known as Habitual Bite, Habitual Position or Bite of Convenience, is defined at the position where the maxillary and mandibular teeth fit together in maximum interdigitation. This position is usually the most easily recorded and is almost always the occlusion the patient closes into when they are asked to 'bite ...
During jaw movements, only the mandible moves. Normal movements of the mandible during function, such as mastication, or chewing, are known as excursions. There are two lateral excursions (left and right) and the forward excursion, known as protrusion. The reversal of protrusion is retrusion.
It is a physiologic position that is used for reproducibility. The Temporomandibular Joint is not restricted to Centric Relation in function. At the most superior position, the condyle-disc assemblies are braced medially, thus centric relation is also the midmost position.
A transverse jaw position is known as Laterognathia. This term describes a lateral bite in the lower jaw [34] and is often associated with a unilateral crossbite at an early age [35] This can lead to bone development of an asymmetrical mandibular ramus resulting in asymmetry in the whole of the lower face. [36]
The dental arches are the two arches (crescent arrangements) of teeth, one on each jaw, that together constitute the dentition.In humans and many other species, the superior (maxillary or upper) dental arch is a little larger than the inferior (mandibular or lower) arch, so that in the normal condition the teeth in the maxilla (upper jaw) slightly overlap those of the mandible (lower jaw) both ...
This position used to be referred to as centric occlusion. This is an important jaw position, as it defines both the anterior - posterior and lateral relationships of the mandible and the maxilla , as well as the superior - inferior relationship known as the vertical dimension of occlusion .
In jawed vertebrates, the mandible (from the Latin mandibula, 'for chewing'), lower jaw, or jawbone is a bone that makes up the lower – and typically more mobile – component of the mouth (the upper jaw being known as the maxilla). The jawbone is the skull's only movable, posable bone, sharing joints with the cranium's temporal bones.
The angle of the mandible (a.k.a. gonial angle, Masseteric Tuberosity, and Masseteric Insertion) is located at the posterior border at the junction of the lower border of the ramus of the mandible.