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ligament
(redirected from periodontal ligament)

   Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia 0.01 sec.

ligament

Strong, flexible connective tissue, made of the protein collagen, which joins bone to bone at moveable joints and sometimes encloses the joints. Ligaments prevent bone dislocation (under normal circumstances) but allow joint flexion. The ligaments around the joints are composed of white fibrous tissue. Other ligaments are composed of yellow elastic tissue, which is adapted to support a continuous but varying stress, as in the ligament connecting the various cartilages of the larynx (voice box).

Ligaments are also classified as: funicular, or cylindrical cords; fasicular, or flattened bands; and capsular, or enveloping ligaments completely investing a joint.



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This soft tissue is known as the periodontal ligament.
2) Concussion is an injury to the supporting structures of the tooth causing the periodontal ligament to be inflamed and the tooth to be tender.
Other limiting characteristics of radiographic use in diagnosis and prognosis of periodontal disease include: * lack of buccal and lingual views of the alveolar bone * the variation in appearance of periodontal ligament space * two-dimensional distortion of overlapping anatomical structures * inability to locate soft tissue margins Radiographs also do not reveal minimal losses of bone.
 
 
 
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