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Endo 2 > WL and Access > Flashcards

WL and Access Flashcards

1
Q

Bad access = ____ RCT

A

Bad RCT

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2
Q

When creating outline of access, the bur should be _____ to lingual surface of anteriors

A

Perpendicular

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3
Q

You should reach the pulp in
most cases by ___ mm. – if not,
call for instructor help.

A

7 mm

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4
Q

Un-roof Pulp Chamber with
brushing _____. Take
care not to gouge axial walls.

A

out-strokes

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5
Q

The correct ___ is: 1.0mm.

SHORT of the CANAL EXIT

A

WL

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6
Q

The correct WL is: _____ of the CANAL EXIT

A

1.0mm.

SHORT

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7
Q

– Measure tooth ______ you MOUNT tooth

A

before

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8
Q

What file is used to take a radiograph for WL?

A

15

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9
Q

Should you instrument to patency?

A

Never

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10
Q

Should you instrument to patency or WL?

A

WL

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11
Q

WL Too ____: The canal is NOT well CLEANED

A

SHORT

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12
Q 
WL Too \_\_\_\_\_: Even ¼ of a mm. long of the 
constriction – we have created a
“BLOW-OUT” which guarantees 
incomplete compaction at the apex
and  an explosion of sealer in the 
PA tissues.
A

LONG

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13
Q 
The 1st Step after DX
• Cleaning and Shaping:
FACILITATES:
– Locating the Canals
– Negotiating the Canals
– Gaining Patency
– Establishing Working Length
– Maintaining Apical Constriction
– A GOOD OUTCOME
A

Access

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14
Q
  • You will NOT have a predictable result
  • You will routinely miss canals
  • You will NOT be able to clean properly
  • You will NOT be able to shape completely
  • You will NOT be able to fill adequately
  • *** You will easily create problems and make your RCT far more difficult, dangerous and time-consuming than it needs to be.
A

Poor access

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15
Q

Requirements of _____:
1. Visibility of pulp chamber and all canal orifices
from a single vantage point
2. Straight-line access to mid-root for instrument
placement
3. Complete removal of pulpal roof & pulp horns
4. Avoidance of unnecessary weakening of tooth

A

Access

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16
Q

How deep into the tooth should the initial outline of access be?

A

1/2-1mm

17
Q

What bur should be used for anteriors and pms to access?

A

2 round

18
Q

What bur should be used to access molars?

A

4 round

19
Q

Should the pulpal floor of access be touched by bur?

A

No

20
Q 
Walls of the coronal 
access should 
\_\_\_\_\_ to the 
occlusal  (B)
1. better light 
2. better visualization
3. Your temporary 
restoration which is 
placed between visits 
will not be easily 
dislodged to Leak & 
Contaminate***
A

DIVERGE

Endo 2 (12 decks)

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