interincisal angle (in´t
rinsī´zl),
rinsī´zl),n the A-P angle made by the intersection of the long axis of the maxillary central incisor with the mandibular central incisor. Statistically, a normal angle is about 130°. A more acute angle may indicate a proclined incisor, and a more obtuse angle may indicate a retracted incisor.
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