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Static occlusion refers to contact between teeth when the jaw is closed and stationary, while dynamic occlusion refers to occlusal contacts made when the jaw is moving. [ 1 ] The masticatory system also involves the periodontium , the TMJ (and other skeletal components) and the neuromusculature, therefore the tooth contacts should not be looked ...
Number of teeth: The number of denture teeth should be reduced from 8 to 6 posterior teeth. Monoplane occlusion correspondingly requires having anterior teeth with no vertical overlap thus resulting in suboptimal dental aesthetics. [20] However, some studies have suggested that a monoplane occlusion can result in reduced masticatory ability.
Occlusal trauma; Secondary occlusal trauma on X-ray film displays two lone-standing mandibular teeth, the lower left first premolar and canine. As the remnants of a once full complement of 16 lower teeth, these two teeth have been alone in opposing the forces associated with mastication for some time, as can be evidenced by the widened PDL surrounding the premolar.
In dentistry, a mutually protected occlusion is an occlusal scheme in which the anterior teeth protect the posterior teeth, and vice versa.. The anterior teeth protect the posterior teeth by providing for a plane of guidance during excursions, thus allowing the cusps of the posterior teeth to disclude rather than strike one another during lateral or protrusive movements from centric relation.
Intercuspal position (ICP), also known as centric occlusion, is a position in which teeth occlusion plays an important role. In the majority of population, centric occlusion is said to be averagely 1 mm anterior to centric relation in the natural dentition. [5]
Gender differences in enamel thickness and dentin width are low. Age differences in the gingival-incisal length of maxillary central incisors are seen and are attributed to normal attrition occurring throughout life. Thus, younger individuals have a greater gingival incisal length of the teeth than older individuals. [citation needed] Labial view
When in occlusion the teeth may appear the same height which is particularly apparent for anterior teeth. Sensitivity or pain : Attrition may be entirely asymptomatic, or there may be dentin hypersensitivity secondary to loss of the enamel layer, or tenderness of the periodontal ligament caused by occlusal trauma .
The aim when creating the index was to allow for a system in measuring occlusion which can be easily comparable. The five major groups which are recorded are as follows: 1. Gross Anomalies 2.Dentition: absent teeth, supernumerary teeth, malformed incisors and exotic eruption 3.Spaced condition: Diastema, Crowding and Spacing 4.Occlusion: