Simple Exodontia

Question 1

Which is the only quadrant where the operator is positioned behind the patient for an extraction

Answer 1

Lower Right quadrant

Question 2

What position should the patient be in when extracting upper teeth

Answer 2

Pt’s mouth at shoulder height and reclined at 45 degrees

Question 3

How should the patient be positioned when extracting lower teeth

Answer 3

Pt’s mouth at elbow and slightly reclined

Question 4

How does an elevator help to extract a tooth

Answer 4

It provides a displacing force to the tooth via a fulcrum on the bone adjacent to the tooth
Expansion of the socket using lateral displacing movements that widen and distort the bone

Question 5

How do you figure out the correct size of elevator you need to use?

Answer 5

Start small and keep trying bigger ones

Question 6

What part of the tooth are forceps supposed to grab

Answer 6

Intended to grasp the roots and not the crown

Question 7

What is the root pattern and extracting movement needed for Upper central incisors

Answer 7

Root pattern - conical

Movement - Rotation

Question 8

What is the root pattern and extracting movement needed for Upper lateral incisors

Answer 8

Root Pattern - oval cross section

Movement - Buccal and gentle rotation

Question 9

What is the root pattern and extracting movement needed for upper canines

Answer 9

Root pattern - triangular/conical

Movement - Gentle rotation

Question 10

What is the root pattern and extracting movement needed for upper 1st premolars

Answer 10

Root pattern - often 2 thin buccal and palatal roots

Movement - push or pull the tooth initially, gentle buccal movement

Question 11

What is the root pattern and extracting movement needed for Upper 2nd premolars

Answer 11

Root Pattern - Oval cross-section, often only one root

Movement - Buccal

Question 12

What is the root pattern and extracting movement needed for Upper 1st and 2nd molars

Answer 12

Root Pattern - 2 buccal and 1 larger palatal root

Movement = Twisting and buccal movement

Question 13

What is the root pattern and extracting movement needed for Upper 3rd molars

Answer 13

Root Pattern - Variable

Movement - Twisting and buccal movement

Question 14

What is the root pattern and extracting movement needed for Lower central and lateral incisors

Answer 14

Root Pattern - thin oval cross section

Movement - bucco-lingual

Question 15

What is the root pattern and extracting movement needed for Lower canines

Answer 15

Root Pattern - Triangular/conical

Movement - Gentle rotation

Question 16

What is the root pattern and extracting movement needed for Lower 1st and 2nd premolars

Answer 16

Root Pattern - Round cross-section

Movement - Rotation

Question 17

What is the root pattern and extracting movement needed for Lower 1st and 2nd molars

Answer 17

Root pattern - 2 roots

Movement - Figure of 8 and deliver tooth buccally

Question 18

What is the root pattern and extracting movement needed for Lower 3rd molars

Answer 18

Root Pattern - Roots variable

Movement - figure of 8