Deck 25: Endodontics

Question 1

Another word for a tooth that is still alive is a _________ tooth.

Answer 1

vital

Question 2

An indirect ___________ cap is indicated when a thin partition of dentin is still intact.

Answer 2

pulp

Question 3

An assistant selects the appropriate-sized gutta-percha point, called the ________ point.

Answer 3

trial

Question 4

The first line of treatment in pulpal therapy is:

A) root canal therapy
B) an attempt to stimulate pulpal regeneration
C) surgery
D) an attempt to remove the coronal portion of the pulp

Question 5

After the canal has been debrided and dried, the canal is ready to be _______ or filled using gutta-percha.

Question 6

A thin layer of _______ is placed on the tip of the pulp tester electrode when testing tooth vitality.

Question 7

Which tool has dramatically improved the efficiency and effectiveness of endodontics?

A) Spoon excavator
B) Operating microscope
C) Lentulo spiral
D) Double-ended Glick

Question 8

In which proportion of cases is root canal therapy successful?

A) 25%
B) 50%
C) 80%
D) 95%

Question 9

Which component of an endodontic examination is subjective?

A) Medical history
B) Dental history
C) Radiographs
D) Pain intensity

Question 10

In which surgical procedure is the tip of a tooth root removed?

A) Apicoectomy
B) Retrograde restoration
C) Root amputation
D) Hemisection

Question 11

Gutta-percha points are made of:

A) rubber
B) paper
C) nitrile
D) resin

Question 12

The pulp canal sealer is irrigated with ________ hypochlorite, commonly known as bleach.

Question 13

__________ is the word used to describe pulpal tissues that have become inflamed.

Question 14

Another word for nonvital is ________.

Question 15

The palpation vitality test involves which process?

A) Ethyl chloride is applied to the surface of the tooth.
B) The handle of the mouth mirror is used to tap on the incisal or occlusal surface.
C) Firm pressure is applied to the mucosa above the apex of the root.
D) A small piece of heated gutta-percha is placed on the surface of the tooth.

Question 16

Which diagnosis corresponds to a patient who experiences pain with thermal stimuli?

A) Necrosis
B) Irreversible pulpitis
C) Reversible pulpitis
D) Normal sensation

Question 17

A _________ endodontic ruler is used to measure the distance from the reference point to the apex of the tooth.

Question 18

After providing pain control, the next step in root canal therapy is:

A) access preparation
B) obturation
C) isolation and disinfection of the operating field
D) debridement and shaping of the canal

Question 19

A root canal sealer is cement that seals out the unfilled voids during the ___________ process.

Question 20

Which endodontic file is the smallest?

A) 08
B) 35
C) 70
D) 140

Question 21

A pulpectomy is also referred to as a pulp cap.

Question 22

An initial radiograph is taken during the diagnostic stage of endodontics.

Question 23

Irreversible pulpitis requires root canal therapy or extraction.

Question 24

A final periapical radiograph is not needed as long as the completed canal has been filled and temporized.

Question 25

For a root canal to be successful, it is extremely important that the radiographic depiction of tooth length is accurate and not distorted.