Endodontics

Question 1

Most commonly used clinical test

A. Radiograph
B. Percussion

Answer 1

B. Percussion

Question 2

Most commonly used clinical tool

A. Radiograph
B. Percussion

Answer 2

Radiograph

Question 3

Earliest and most common symptom of an inflamed pulp

Answer 3

Thermal Sensitivity

Question 4

Healing of periapical area by repair not by regeneration

Answer 4

Apical Scar

Question 5

Develops from granuloma after liquefaction necrosis associated with non-vital pulp

Answer 5

Radicular Cyst

Question 6

Autoclave

A. 121c, 15 PSI, 15-20 mins
B. 132c, 20 PSI, 20 mins
C. 160c for 1-11/2 hrs
D. 121c, 15 PSI, 15-25 mins

Answer 6

A. 121c, 15 PSI, 15-20 mins

Question 7

Vertical condensation

A. Spreader
B. Plugger
C. Broach

Answer 7

B. Plugger

Question 8

Lateral Condensation

A. Broach
B. Spreader
C. Plugger

Answer 8

B. Spreader

Question 9

It is used to remove pulp

A. Broach
B. Barbed Broach
C. Smooth Broach

Answer 9

B. Barbed Broach

Question 10

It is used to detach pulp

A. Broach
B. Barbed Broach
C. Smooth Broach

Answer 10

C. Smooth broach

Question 11

Best instrument to cut dentin in root canal, strongest among files

A. H Files
B. Ni-ti files
C. K files

Answer 11

C. K Files

Question 12

Most commonly used rubber dam holder

A. Nygard-otsby
B. Ash
C. Youngs

Answer 12

C. Youngs

Question 13

Most commonly used rubber dam holder in children

A. Nygard-otsby
B. Ash
C. Youngs

Answer 13

B. Ash

Question 14

Clockwise rotation on insertion

A. Filing
B. Reaming
C. Turn and Pull
D. Rubber dam Punch

Answer 14

B. Reaming

Question 15

Rubber dam punch if holes too close together =

A. Wrinkled appearance, punches up between teeth.
B. Tearing, show of interdental papilla
C. Covers nose/eyes
D. Wrinkled appearance, show of interdental papilla

Answer 15

B. tearing, show of interdental papilla

Question 16

Rubber dam punch if holes far apart =

A. Wrinkled appearance, punches up between teeth.
B. Tearing, show of interdental papilla
C. Covers nose/eyes
D. Wrinkled appearance, show of interdental papilla

Answer 16

A. Wrinkled appearance, punches up between teeth.

Question 17

Most commonly used and most effective irrigant

A. EDTA
B. Hydrogen Peroxide
C. Sodium Hypochlorite

Answer 17

C. Sodium Hypochlorite

Question 18

Maintain environment not conductive for bacterial growth, Intracanal dressing

A. CMCP
B. EDTA
C. H2O2
D. NaHCLPO4

Answer 18

A. CMCP

Question 19

EDTA meaning

Answer 19

Ethylenediaminetetraacetic acid

Question 20

Main content of gutta percha

A. Chloroform
B. Zinc Oxide
C. Mineral Trioxide Aggregate

Answer 20

B. Zinc Oxide

Question 21

Objectives of Access Preparation

A. Conservation of tooth structure
B. Unroofing of chamber
C. Straight-Line access

Answer 21

C. Straight-Line access

Question 22

Most critical act in assuring success of RCT

A. Percussion
B. Radiograph
C. Working length
D. Working length determination

Answer 22

D. Working length determination

Question 23

Most important consideration in RCT before obturation

A. Straight line access
B. Cleaning and shaping the canal
C. Develop tight seal

Answer 23

B. Cleaning and shaping the canal

Question 24

Most effective mean to reduce RC microorganisms

A. Debridement
B. Recapitulation
C. Cleaning and shaping the canal

Answer 24

A. Debridement

Question 25

Most important phase of technical aspect of RCT A. Obturation B. Cleaning and shaping the canal C. Debridement D. Access Preparation

Answer 25

D. Access Preparation

Question 26

Develop a tight seal, create a favorable env. for tissue healing, complete filling of RC space A. Obturation B. Cleaning and shaping the canal C. Debridement D. Access Preparation

Answer 26

A. Obturation

Question 27

Father of Apicoectomy A. Wells B. Martin C. Black D. Edward

Answer 27

B. Martin

Question 28

True determinant of pulp

Answer 28

Vascular supply

Question 29

J-shaped bone loss/ Tear drop shaped A. Vertical Root Fracture B. Cracked Tooth C. External Resorption D. Internal "

Answer 29

A. Vertical Root Fracture