intro

Question 1

what does the dentine-pulp complex describe?

Answer 1

close inter-relationship between dentine & pulp

factors affecting denting ultimately affect pulp

Question 2

how many roots (and canals) do the upper incisors have?

Answer 2

1

Question 3

how mant roots/canals do upper canines have?

Answer 3

1

Question 4

how many roots/canals do upper 4’s have?

Answer 4

2-3/2

Question 5

how many roots/canals do upper 5’s have?

Answer 5

1-3/1

Question 6

how many roots/canals do upper 6’s have?

Answer 6

3/4

Question 7

how many roots/canals do upper 7’s have?

Answer 7

3/4

Question 8

how many roots do upper 8’s have?

Answer 8

1-3

Question 9

how many roots/canals do lower incisors have?

Answer 9

1/1-2

Question 10

how many roots/canals do lower canines have

Answer 10

1

Question 11

how many roots/canals do lower 4’s have?

Answer 11

1

Question 12

how many roots/canals do lower 5’s have?

Answer 12

1

Question 13

how many roots/canals do lower 6’s have?

Answer 13

2-3/3-4

Question 14

how many roots/canals do lower 7’s have?

Answer 14

2/3

Question 15

how many roots do lower 8’s have?

Answer 15

1-2

Question 16

what conditions/pathologies are involved in endo disease?

Answer 16

trauma
tooth surface loss
caries
fractured teeth
pulpal pathology
periapical pathology
root resorption

Question 17

what is a lateral canal?

Answer 17

a branch of the root canal

Question 18

how does caries progress to pulpal necrosis?

Answer 18

breakdown of enamel surface
progression to dentine
bacterial invasion into pulp
reversible changes
necrosis of pulp tissue

Question 19

what are the features of apical periodontitis?

Answer 19

chronic poly-microbial infection
stimulation of host response
ct destcruction

Question 20

what are the clinical objective of RCT?

Answer 20

removing canal contents

eliminating infection

Question 21

what is chemomechanical disinfection?

Answer 21

mechanical and chemical remove bacterial burden

Question 22

what is obturation?

Answer 22

filling of space to render inert

prevent bacteria coming in and multiplication of existing

Question 23

what is an endo-restorative interface?

Answer 23

to provide an environment that allows healing of periradicular tissues so that the tooth is retained as a functional unit