Periapical Pathology

Question 1

Label ABCD on this diagram of a cross-section of a root

Answer 1

A - Odontoblast layer

B - Blood Vessels

C - Cell-rich Zone

D - Dentine

Question 2

What is the role of odontoblasts?

Answer 2

Responsible for the formation of dentine

Secretes secondary and tertiary reactionary dentine

Question 3

What is this an example of?

Answer 3

A Pulp polyp

(chronic hyperplastic pulpitis)

Question 4

What is pulpitis in terms of inflammation

Answer 4

Localised inflammation in relation to carious dentine (before bacteria reaches pulp)

Question 5

What does suppartion mean?

Answer 5

Production of pus

Question 6

What is chronic hyperplastic pulpitis (pulp polyp) caused by?

Answer 6

Granulation tissue that grows out of the pulp chamber

Question 7

What teeth are affected by chronic hyperplastic pulpitis?

Answer 7

Deciduous teeth or recently erupted molars with:
* Wide open caries
* Good vascular supply

Question 8

What occurs to surrounding bone of a tooth with chronic apical periodontitis?

Also called periapical granuloma

Answer 8

Osteoclast resorption of surrounding bone

Question 9

What are the differences between acute and chronic periapical periodontits radiographically?

Answer 9

Acute has no radiolucency at apex but widening of PDL on a radiograph

Question 10

How may a tooth feel to a patient with acute periapical periodontitis?

Answer 10

May feel elevated