Origin of pulp cavity
Examples from the Web for pulp cavity
The opening of the pulp-cavity is then reduced to a minute perforation at the base of each root.
In some cases, under tin, the pulp gradually recedes, and the pulp-cavity is obliterated by secondary dentin.Tin Foil and Its Combinations for Filling Teeth|Henry L. Ambler
Completely formed human incisor, with pulp-cavity contracted to a small aperture at the end of the root.
Human incisor during development with root imperfectly formed, and pulp-cavity widely open at base.