Microscopic Zones in Pulp & Aging Pulp Crossword

How many pulp zones are there?
What is the outermost layer?
What is the second layer?
What is the third layer?
What is the inner most layer?
In which zone is there a nerve and capillary plexus?
Which layer has an extensive vascular supply?
Which layer has neurons and odontoblasts associated with dentinal tubules?
What occurs to the pulp with increased age?
What is it called when the pulp cavity becomes smaller due to the addition of secondary and tertiary dentin?
What can happen to the tooth if the apical foramen is blocked by deposits of cementum over time?
What do you call mineralized masses of dentin in pulp?
What is inflammation of the pulp called?
What treatment can be preformed when the pulp dies to keep the tooth structure viable?