Introduction Flashcards

1
Q

How many roots in the maxillary central incisor

A

1

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2
Q

How many canals in maxillary central incisor

A

1

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3
Q

How many canals in maxillary lateral incisor

A

1

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4
Q

How many canals in maxillary canine

A

1

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5
Q

How many canals in maxillary first premolar

A

2

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6
Q

How many canals in maxillary second premolar

A

1 most common

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7
Q

How many canals in maxillary first molar

A

4 or 3

4 most common

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8
Q

How many canals in maxillary second molar

A

3 most common

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9
Q

How many canals in mandibular central incisor

A

1 most common

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10
Q

How many canals in mandibular lateral incisor

A

1 most common

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11
Q

How many canals in mandibular canine

A

1 most common

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12
Q

How many canals in mandibular first premolar

A

1 most common

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13
Q

How many canals in mandibular second premolar

A

1 most common

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14
Q

How many canals in mandibular first molar

A

3 most common

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15
Q

How many canals in mandibular second molar

A

(3 most common)

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16
Q

How do bacteria exist in the root canal space in endodisease

A

as a biofilm

17
Q

How do the bacteria in endo disease show resistance

A

the AB may fail to penetrate the biofilm
AB may be trapped and destroyed by enzymes
AB may not be active against non-growing microorganisms
expression of biofilm-specific resistance genes
stress response to hostile environmental conditions

18
Q

What are features of apical periodontitis

A

→ Chronic poly-microbial infection
→ Stimulation of host response
Connective tissue destruction

19
Q

What are features of periradicular disease

A

→ Highly prevalent
→ Significant morbidity (tooth loss/severe infection)
→ Substantial healthcare burden to NHS
→ Focus of infection/inflammation?

20
Q

What are the clinical objectives of RCT

A

→ Remove canal contents
→ Eliminate infection
→ Remember multiple options exist for management of endo disease

21
Q

What is the aim of the endo-restorative interface

A

→ To provide an environment that allows healing of periradicular tissues so that the tooth is retained as a functional unit in the dental arch

22
Q

In a radiograph if the root canal disappears what does this mean

A

canal division

23
Q

If in a radiograph there is a thickening of the space in periradicular areas other than the apical region what does this mean

A

lateral and accessory canals

24
Q

If in the radiograph there is a knob like appearance what does this mean

25
If there is an unusual presence of vertical lines in the radiographs what does this mean
gross concavities of the root surface
26
In electric pulp testing what nerve is stimulated first
a delta - lower stimulation threshold
27
What does the vascular supply of the tooth consist of
main supply arterioles supply capillary network terminal capillary network venular network