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Periodontal ligament (Description (Surrounds the root of the tooth and…
Periodontal ligament
Description
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Soft, highly vascular and cellular CT
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Origin
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Provisional ECM converts to fiber system organized in bundles as the fringe fibres extend, intermingle and merge in the PDL space
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F(x)s
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Sensory
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Mechanoreceptors in mid root PDL via Coiled Meisner corpuscles and in apical PDL via Ruffini-like endings
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Physical f(x)s
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Viscoelastic system that cushions the tooth (consists of collagenous fibres, proteoglycans and tissue fluid)
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Supplies nutrients to gingiva, bone and cementum via bvs
Dimensions
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With increasing age, width decreases
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Divided into 3 regions:
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A bone related region, rich in cells and bvs