Periodontal-endodontic interrelationships

Question 1

What is the anatomical connection between the pulp and the PDL?

Answer 1

apical foramen
accessory canals… which frequency increases as you go towards the apex
accessory canals in furcation
dentinal tubules if there is a loss of cementum near cervical areas

Question 2

Resolution if tooth is non vital

Answer 2

1st: endodonic therapy
2nd: periodontic therapy

Question 3

Resolution if tooth is vital

Answer 3

Periodontal therapy

Question 4

Periodontal disease effect on pulp

Answer 4

Root surface defects
Bacteria on surface
no inflammatory changes in pulp
Mineralization present
Dentin hypersensitivity... sharp pain and various stimulus cause it
May become chronic pain