Week 2

Question 1

Suprabony

Answer 1

*horizontal bone loss, JE coronal to crest of bone

Question 2

Infrabony

Answer 2

*vertical bone loss, JE apical to crest of bone

Question 3

Incidence vs Prevalence

Answer 3

incidence = # new cases ; prevalence = old + new at a given point in time

Question 4

Initial Lesion

Answer 4

2-4 days post plaque, PMN’s, increase in fluid

Question 5

Early Lesion

Answer 5

4-7 days, lymphocytes, cytopathic changes

Question 6

Established Lesion

Answer 6

7-21 days, plasma/antibodies, JE mirgrates, collagen distruction

Question 7

Advanced Lesion

Answer 7

bone loss, osteoclasts, periods of destruction and hibernation

Question 8

Lesion Phases

Answer 8

Initial > Early > Established > Advanced