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Endodontics > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q

5 Objectives of access openings

A
  1. Remove Caries
  2. Conserve sound tooth structure
  3. DEBRIDEMENT – penetrate pulp roof and remove pulp tissue
  4. Locate all canal orifices
  5. Establish a straight line access
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2
Q

4 endo access principles

A
  1. Outline Form
  2. Convenience form
  3. Caries removal
  4. Toilet of canal
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3
Q

Anterior access outlie

A

Ovoid

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4
Q

Bicuspid access outline

A
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5
Q

Maxillary molar

A
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6
Q

Mandibular molar

A

Rhomboid

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7
Q

Access Burs

A

330

Round #2, #4, #6

Diamond burs

Slow Speed round burs

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8
Q

Maxillary Incisor

A

Access: Rounded triangle (young) ovoid (with age)

Canals: 100% single canal

Root: Tips distally

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9
Q

Mandibular Incisor

A

Access: Triangular to ovoid

Canals: Two canals (50%) o

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10
Q

Canines

A

Access: Ovoid

Canals: Maxillary (1 canal)

Mandibular (2 canals - 3-6% of the time)

Roots: Maxillary –> tips distally, apex tilts facially

mandibular –> tips distally

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11
Q

1st Maxillary Premolars

A

Access: Ovoid

Canals: Two canals (60-80%), Three canals (6%)

Root: curve distally

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12
Q

2nd Maxillary Premolar

A

Access: Ovoid

Canals: One canal (80-90%), two canals

Root: curve distally, 1 root (80%)

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13
Q

1st Mandibular Premolar

A

Access: Ovoid

Canals: One canal (75%) Two canals (25%) Three canals (1%)

Roots: Tips distally and lingually

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14
Q

2nd Mandibular Premolar

A

Access: Ovoid

Canals: One canal (85%) Two canals (15%)

Roots: curves distally

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15
Q

Maxillary 1st Molar

A

Access: Triangular

Canals: (Three roots, 4 canals)

* Palatal - one canal (100%)

*Distobuccal – one canal (100%)

* Mesiobuccal – two canals (20 - 80%)

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16
Q

Maxillary 2nd molar

A

Acces: Triangular

Canals:

Roots:

17
Q

Mandibular 1st molar

A

Access: Rhomboid

Canals: 3-4 canals (Mesial Root: 2 canals, Distal Root: 2 canals)

Roots: 2 roots

Distal root curves mesially

Mesial root curves distally

18
Q

Radix Entomolaris

A

3rd root in mandibular 1st molars

Seen more in asian populations

x-rays look normal but faint

19
Q

Mandibular 2nd molar

A

Access: Rhomboid

Canals: 3-4 canals (2 canals in mesial root, 1 or 2(6%) canals in distal root)

Roots: 2 roots

20
Q

Contain 2 or more roots…

A
  1. Mandibular teeth
  2. Mesiobuccal root of maxillary incisors
  3. Maxillary 1st premolar
21
Q

One canal almost always…. (3)

A
  1. Maxillary Anterior
  2. Maxillary 2nd premolars
  3. Palatal and distobuccal roots of maxillary incisors
22
Q

Canal Paths

A
  1. Merge: mandibular incisors
  2. Divide – dilacerate
  3. Curve
  4. Recurve (S shaped)

Endodontics (6 decks)

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