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The Stomatognathic System

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The stomatognathic system (SS) is composed by dynamic and static components that requires balance and control determine by the central nervous system (CNS), which makes them responsible for the harmonious functioning and to perform different tasks (to speak, to break food down, and to swallow). The SS is characterized by: skeletal components, dental arches, soft tissues, and temporomandibular joint and masticatory muscles.(Cuccia and Caradonna 2009; Garcia de Paula Silva, Francisco Wanderley, Mussolino de Queiroz, Alexandra, & Díaz Serrano, Kranya Victoria. 2008) Posture refers to the position of the human body and its orientation in space. This involves muscles activation that are controlled by the CNS, which guide postural adjustments. These modifications can be induced by afferent inputs like: exteroceptive, proprioceptive, vestibular an visual; all of them modulated by different factors, such as anxiety and mood state. (Cuccia and Caradonna 2009). Temporomandibular disorders (TMD), is a set of disorders characterized by signs and symptoms affecting human posture, the temporomandibular joint, and the surrounding structures. Its etiology is multifactorial and include …show more content…

2007) the effect of changing mandibular position on body posture and reciprocally, body posture on mandibular position was assessed. They evaluate forty-five asymptomatic subjects and randomly assigned to two groups. The MatScan system was used to measure the changes in body posture (center of foot pressure: COP) while subjects maintained 5 different mandibular positions: rest, centric occlusion, clinical; midline position with labial frena, placebo wax appliance and right eccentric mandibular position. The scan was used to analyze occlusal forces distribution in two different postural positions: with or without a heel lift under the right foot. They concluded that changing jaw position affected body posture and body posture affected jaw position as

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