BUCCINATOR MECHANISM PDF

It forms the anterior part of the cheek or the lateral wall of the oral cavity. It arises from the outer surfaces of the alveolar processes of the maxilla and mandible , corresponding to the three pairs of molar teeth and in the mandible, it is also attached upon the buccinator crest posterior to the third molar ; [5] and behind, from the anterior border of the pterygomandibular raphe which separates it from the constrictor pharyngis superior. The fibers converge toward the angle of the mouth, where the central fibers intersect each other, those from below being continuous with the upper segment of the orbicularis oris , and those from above with the lower segment; the upper and lower fibers are continued forward into the corresponding lip without decussation. Motor innervation is from the buccal branch of the facial nerve cranial nerve VII. Sensory innervation is supplied by the buccal branch one of the muscular branches of the mandibular part of the trigeminal cranial nerve V.

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Embeds 0 No embeds. No notes for slide. They not only affects the physical and aesthetic appearance but also influences the dental and skeletal components of an individual.

Here there was an ulceration followed by gangrenous distribution of buccal mucosa. As the cheek was destroyed the teeth began to move outwards under the unopposed pressure from the tongue www. The inwards pressure by cheek and lips is balanced by the outward pressure of tongue www.

It is believed as long as total pressure acting on teeth is balanced the position of teeth is stabilized Saturday, February 11, 20 Saturday, February 11, You just clipped your first slide!

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CL82309 MANUAL PDF

The Buccinator Mechanism

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BANDITS ERIC HOBSBAWM PDF

Buccinator muscle

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