Procedural errors

Question 1

As the number of steps grow…

Answer 1

The number of possible mistakes grow

Question 2

What do you do when something goes wrong?

Answer 2

STOP. And ask yourself why it happened. You need the why in order to fix it. Without it you will only dig yourself a deeper problem

Question 3

What are 2 reasons you have lost your WL?

Answer 3

1. Blocked canal

2. Ledged canal

Question 4

What are 2 reasons for having transportation during RCT?

Answer 4

1. Artificial canal

2. Apical perforation

Question 5

What are 3 reasons someone may have perforation during an endodontic access?

Answer 5

1. Poor angulation of bur with long axis of tooth
2. Lack of knowledge about internal/external anatomy
3. Lack of vision/lighting

Question 6

2 things to do with anatomical knowledge to prevent problems?

Answer 6

1. How many canals should be present?

2. Root depressions

Question 7

Definition of perforation?

Answer 7

Iatrogenic communication between endodontic access and the external peri-Radicular space

Question 8

4 ways to detect a perforation

Answer 8

1. Radiographs
2. CBCT
3. Apex locator
4. Visualization and anatomical knowledge

Question 9

What is definition of transportation?

Answer 9

Basically transporting the canal - perforation of apical/mid root/coronal root structure

Question 10

6 factors that affect the prognosis of a perforation?

Answer 10

1. Time
2. Repair material
3. Defect size
4. Accessibility
5. Length of root trunk
6. Location of perforation relative to crystal bone