Periodontal-endodontic interrelationships

Question 1

one way to differentiate whether a lesion is periodontal or endo related….

Answer 1

tooth will not be vital with an endo related abscess

Question 2

T/F bone will come back by successfully treating an endodontic problem

Answer 2

true

Question 3

T/F accessory canals increase in frequency towards the apex

Answer 3

true

Question 4

T/F accessory canals to furcation areas do not exist

Answer 4

false

Question 5

T/F dentinal tubules are another connection between the pulp and PDL

Answer 5

true

Question 6

3 connections between pulp and pdl

Answer 6

apical foramen
accessory canals
dentinal tubules

Question 7

a “true” combined lesion is when…

Answer 7

endo and perio pathologies initiate independently and coalesce

Question 8

when a perio lesion causes an endo lesion, you will usually not see significant effects until the bacteria accesses the pulp through the…

Answer 8

apical foramen

Question 9

T/F studies have failed to confirm direct relationship between progression of periodontitis and pulp changes

Answer 9

true

Question 10

is pulp vitality affected by periodontal therapy?

Answer 10

no

Question 11

what is a side effect of periodontal therapy?

Answer 11

dentin hypersensitivity

Question 12

what 3 results of perio therapy are reasons that pulp vitality might be affected?

Answer 12

root exposure (recession)

cementum (and dentin) removed

dentinal tubule exposure

Question 13

endo therapy complications

Answer 13

perforations, vertical fractures