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DS4102 > W8 - RC Anatomy and Access Cavity - Rodrigo > Flashcards

W8 - RC Anatomy and Access Cavity - Rodrigo Flashcards

1
Q

average length of maxillary incisor

Canal #?

A

23 mm

1 canal

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2
Q

average length of maxillary lateral incisors

Canal #?

Special consideration?

A

22 mm

1 canal

Prebend file as it often has a curved root

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3
Q

average length of maxillary canine

Canal #?

Special consideration?

A

26 mm

1 canal

Distal curvature –> prebend files

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4
Q

average length of maxillary first premolars

Canal #?

A

21.5 mm

2 canals - can have 1 or 3

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5
Q

average length of maxillary second premolar

Canal #?

A

21 mm

1 or 2 canals (50/50)

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6
Q

Shape of access cavity for maxillary premolars

A

Oval - buccal palatally

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7
Q

What can be used to open up calcified canals and smoothen walls?

A

Ultrasonic

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8
Q

average length of maxillary first molars

Canal #?

A

Rodrigo says 21mm

3 or 4 canals (4 most likely)

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9
Q

average length of maxillary second molar

Canal #?

A

20 mm

3 canals (4 is rare)

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10
Q

Shape of access cavity for maxillary molars

A

Triangle

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11
Q

average length of mandibular central incisors

Canal #?

A

21 mm

1 canal 73%
2 canal 27%

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12
Q

average length of mandibular lateral incisors

Canal #?

A

22 mm

1 canal -> can be 2

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13
Q

Why do mandibular incisors commonly fail? (RCT)

A

missed the second the canal that occurs 25% of the time

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14
Q

How to create access cavity of mandibular incisors

A

Place bur perpendicularly to pulp chamber for 2-3 mm on the cingulum

Switch to vertical positioning to access pulp chamber

Go bucco-lingually to ensure you don’t have 2 canals

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15
Q

How to create access cavity of maxillary incisors

A

Place bur perpendicularly to pulp chamber for 2-3 mm on the cingulum

Switch to vertical positioning to access pulp chamber

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16
Q

Average length of mandibular canines

Number of canals?

A

26 mm

1 canal can be 2

17
Q

Access cavity of mandibular canine

A

oval

18
Q

Important details when you are making your access cavity (2)

A

Must have straight line access

Remove all pulpal roof

19
Q

Average length of mandibular first premolar?

Number of canals?

A

22 mm

Mostly 1 canal, can be 2

20
Q

Average length of mandibular 2nd premolar

Number of canals

A

22 mm

Mostly 1 canal, can be 2

21
Q

Access cavity of mandibular premolar

A

Oval shaped between buccal and lingual cusp

22
Q

Average length of mandibular first molars

Number of canals

Special consideration

A

21 mm

3 canals, sometimes 4

May gave a mesial medial canal additionally

23
Q

What is “intermolaris radix”?

A

occlusional extra root in mandibular molars

  • lingual root
24
Q

Average length of mandibular second molars

Number of canals?

A

21 mm

3 canals (can be 2 or 4)

25
Q
A

C shaped canal common in mandibular second molars

DS4102 (37 decks)

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