Pulp Cavities

Question 1

Features of pulp cavities

Answer 1

Generally corresponds to external contour of tooth
Aging and external factors will affect outline
Secondary dentin formation results in reduction of pulp cavity size

Question 2

Portion of pulp cavity located in anatomical crown

Larger in diameter than portions of pulp cavity in roots

Answer 2

Pulp chamber

Question 3

Portion of pulp cavity located in anatomical root

Answer 3

Pulp canal (root canal)

Question 4

Pointed incisal/occlusal limit of pulp cavity

Reflect lobe/cups pattern of tooth

Answer 4

Pulp horn

Question 5

Constricted opening near root apex though which main nutrient and nervous supply to pulp enter and exit
Nearly funnel shaped
Primary dentin closes it down to narrow opening when root canal development is completed

Answer 5

Apical foramen

Question 6

Small pulp canal usually extending in horizontal direction

Answer 6

Lateral (accessory) canal

Question 7

A canal in excess of normal number

Answer 7

Supplemental canal

Question 8

Horizontal connection between pulp canals

Answer 8

Anastomosis