apical fiber,
apical (ap´ik
l),
one of the many fibers of the periodontal ligament. These fibers radiate around the apex of the tooth at approximately right angles to their cementum attachment, extending into the bone at the bottom of the alveolus. Apical fibers resist forces that tend to lift the tooth from its socket and, with the other fibers of the periodontal ligament, stabilize the tooth against tilting movements.
apical (ap´ik
l),adj pertaining to the end portion of the root.
apical curettage,
n the surgical removal of diseased tissue surrounding a root apex.
apical fiber,
n See fiber, apical.
apical foramen,
n See foramen, apical.
apical third,
adj the inferior third of a tooth's root or root canal.
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