dental arch

n.
  1. The curved composite structure of natural dentition.
  2. The teeth that are supported by the alveolar part of the mandible; inferior dental arch.mandibular dentition
  3. The teeth that are supported by the alveolar process of the maxillae; superior dental arch.maxillary dentition
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.