Information about Mandibular Decubitus Syndrome

The Mandibular Decubitus Syndrome is a group of disorders of the masticatory apparatus such as the loss of balance of the jaw and the facial asymmetry due to the constant use, during sleep, of positions that can represent an obstacle to the natural movements of the jaw.

In these incorrect positions the jaw is displaced in a forced, unbalanced, lateral occlusion with static load lying on the three components of the stomatognathic system: neuromuscular, osteoarticular and dentoperiodontal. For this reason the natural meccanism of the deglutition (performed normally every four minutes) become cause of teeth chafing which, obviously, damages all the dental structures. Evident consequences of the mandibular decubitus are malocclusions of teeth, nocturnal bruxism and periodontitis.

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Mastication or chewing is the process by which food is mashed and crushed by teeth. It is the first step of digestion and it increases the surface area of foods to allow more efficient break down by enzymes.
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jaw is either of the two opposable structures forming, or near the entrance to, the mouth.

The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it.
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In anatomy, the stomatognathic system consists of the mouth, teeth, jaws and pharynx. Stomatognathic diseases are treated by dentists and ear, nose and throat specialists.
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neuromuscular junction (NMJ) is the synapse or junction of the axon terminal of a motoneuron with the motor end plate, the highly-excitable region of muscle fiber plasma membrane responsible for initiation of action potentials across the muscle's surface, ultimately
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