30 - Endo/Perio

Question 1

3 functions of dental pulp

Answer 1

Formative
Protective
Reparative

Question 2

Why does inflammatory root resorption occur?

Answer 2

Injury to PDL and necrosis of pulp w/ presence of bacteria in root canal

Question 3

Treatment of hypersensitivity (4)

Answer 3

Potassium oxylate
Calcium hydroxide
Fluoride varnish
Potassium nitrate

Question 4

Potassium oxylate mechanism

Answer 4

Causes crystal formation in dental tubules and clogs them to prevent fluid movement

Question 5

Potassium nitrate mechanism

Answer 5

Desensitization of nerve fibers

Question 6

Lateral canals in furcation in up to ____% of multi rooted teeth (source)

Answer 6

28%

Gutman

Question 7

Periodontally involved teeth have higher incidence of ____ and _____ (source)

Answer 7

Pulpal inflammation
Degeneration

Bender & Seltzer

Question 8

Caries + periodontal disease have more ____

Answer 8

Atrophic pulps

Question 9

Teeth w/ periodontitis have more _______

Caused by?

Answer 9

Collagen content w/ more dentin and dystrophic calcification.
Disruption of blood flor through lateral canals that leads to localized coagulation necrosis in pulp

Question 10

Root planing increases the rate of _______

Answer 10

Reparative dentinogenesis

Question 11

Mechanical exposure, what bacteria are present in root canal

Answer 11

Nonhemolytic streptococci

Question 12

Bacteria frequently seen in RCT

Answer 12

P. endodontalis

Question 13

Endo success w/o PARL

Answer 13

96%

Question 14

Endo success w/ PARL

Answer 14

86%

Question 15

Endo retreatment success

Answer 15

60%

Question 16

Worst tooth prognosis for combined perio

Answer 16

Molar w/ furcation involvement

Question 17

Tin fluoride %

Answer 17

0.717% SnF2