- A way or means of approach or admittance.
- In dentistry, the space required for visualization and for manipulation of instruments to remove decay and prepare a tooth for restoration.
- The opening in the crown of a tooth required to allow adequate admittance to the pulp space to clean, shape, and seal the root canal(s).
Synonym(s): access opening
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.