Lecture 1

Question 1

Teeth must have _____ before Tx

Answer 1

Have good apical seal
No sensitivity to pressure
No exudate
No fistula
No apical sensitivity
No active inflammation

Question 2

Technqiue to restore endodontically treated teeth

Answer 2

A) Simple restoration
B) Cast Post and Core
C) Cemented prefabricated post with amalgam/composite buildup
D) Coronal radicular buildup

Question 3

Factors that influence prognosis

Answer 3

Type and location of tooth

• amount of forces
• Direction of forces

Amount of remaining tooth structure
-ferrule effect

Question 4

For impact type fracture

Answer 4

Posts will not reinforce teeth

Question 5

Anterior teeth forces

Answer 5

Lesser applied and more off axis

Question 6

Posterior teeth forces

Answer 6

Greater applied forces and more vertical

Question 7

What is the best predictor of endo treated teeth

Answer 7

Remaining structure is best predictor of clinical success when treating endodontically involved teeth

Question 8

Ferrule

Answer 8

Encircling band of cast metal

Question 9

Ferrule is not

Answer 9

Amount of remaining tooth structure. Bracing of the complete crown over the tooth structure

Question 10

Extending a preparation apically creates

Answer 10

A ferrule and helps prevents fracture of an endodontically treated tooth during function

Question 11

The greater the height of to the tooth structure above the marking of the crown

Answer 11

The better the fracture resistance

Question 12

1 mm of ferrule

Answer 12

Doubles the resistance to fracture and is the minimally acceptable height

Question 13

Maximum benefit of ferrule

Answer 13

2mm or more

Question 14

Minimal ferrule width

Answer 14

1 mm

Question 15

Complete

Answer 15

Ferrule improves fracture resistance

Question 16

Preserving ____ walls is best

Answer 16

Buccal and lingual

Question 17

GP Remains

Answer 17

4 mm

Question 18

Cast metal alloy

Answer 18

Post and core are one piece

Question 19

Custom cast enlarge canal

Answer 19

About 2 file sizes from final fill

Question 20

Custom cast canal length

Answer 20

2/3 canal length (8-10 mm) leaving 4-5 mm of GP

Question 21

Remove internal undercuts

Answer 21

Not necessary with prefab direct

Walls may become thinner

Question 22

Custom cast wax pattern developed from

Answer 22

Model or directly in the mouth

Question 23

Custom cast Advantages

Answer 23

Fits the canal - most conservative
One Piece
Strongest

Question 24

Custom cast Disadvantages

Answer 24

Increased Cost
Evidence bases
Esthetic considerations 
Can be less conservative of coronal tooth structures 
-must remove undercuts and sharp edges

Question 25

Custom cast are good for ____crowns

Answer 25

MCC

Question 26

ACC and custom casts

Answer 26

Can result in show through which influences final shade

Question 27

Support for impression material in canal

Answer 27

Paper clip
Ball clasp
EZ post

Question 28

Place impression material into canal

Answer 28

Light body, use lentils to drive material into canal

Place adhesive coated support into canal and make sure it completely seats