Lab Quiz (Instruments)

Question 1

How many cutting edges does a scaler have?

Answer 1

2 per working end

Question 2

How many cutting edges does a Universal Curet have?

Answer 2

2 per working end

Question 3

How many cutting edges does a gracey curet have?

Answer 3

1 per working end

Question 4

How do you probe?

Answer 4

Hold side probe tip flat against the tooth surface, probe parallel to long axis of tooth for vertical insertion. Slide probe vertically down to base of pocket, maintain contact to side of tooth using a walking stroke, and count mm that show the probe on gingival margin and subtract from total number.

Question 5

How can you detect calculus other than with an explorer?

Answer 5

Disclosing Solution and Compressed Air

Question 6

What are the parts of an instrument?

Answer 6

Handle, Shank, and Working end

Question 7

What’s the appropriate instrument grasp?

Answer 7

Modified Pen Grasp

Question 8

What is a disclosing solution?

Answer 8

Preparation in a liquid, tablet, or lozenge that contains a dye or other coloring agents and is used to identify dental biofilm deposits from intstruction, evaluation, and research.

Question 9

Name a Furcation Probe?

Answer 9

Nabor’s Probe

Question 10

Why do we perform IO/EO exams?

Answer 10

To look for anything abnormal (abnormalities)

Question 11

What’s the difference in Supragingival and Subgingival Scaling?

Answer 11

Supragingival Scaling: Coronal to Gingival Margin

Subgingival Scaling: Apical to Gingival Margin

Question 12

When do we refer for biopsy?

Answer 12

Unusual lesion that does not heal in two weeks.

Question 13

What’s the purpose of polishing?

Answer 13

To remove extrinsic stains

Question 14

Name the two explorers??

Answer 14

• XP23/QOW7 (Shepherd’s hook) examines pits/fissures. supragingival smooth surfaces and examines surfaces and margins of restorations and sealants.
• EXD11/12 (A7/Pigtail) used in proximal surfaces for calculus, caries or margins of restorations.

Question 15

What is the cross-section of a scaler?

Answer 15

A triangular cross-section

Question 16

What is the cross-section of a scaler?

Answer 16

A semi-circular cross-section

Question 17

Name the Scalers?

Answer 17

SCNEVI1
SCNEVI3
SMO/008
SH6/7
S204S

Question 18

Names the Curets?

Answer 18

SAS 1/2
SG 7/8
SG 11/12
SG 13/14
SBH 5/6
SL 1/2
SL 3/4

Question 19

Where is most calculus missed?

Answer 19

In the distal line angle

Question 20

Name the Universal Instruments?

Answer 20

SBH5/6
SL1/2
SL3/4

Question 21

Where is the Sickle Scaler SCNEVI1 used at?

Answer 21

Anterior/Lingual Supragingival

Question 22

Where is the Sickle Scaler SCNEVI3 used at?

Answer 22

Posterior Supragingival

Question 23

Where is the Sickle Scaler SMO/008 used at?

Answer 23

Anterior/Lingual (crowded teeth) Supragingival

Question 24

Where is the Sickle Scaler S204S used at?

Answer 24

Posterior Supragingival

Question 25

Where is the Gracie Curet SAS1/2 used at?

Answer 25

Anterior Subgingival

Question 26

Where is the Gracie Curet SG7/8 used at?

Answer 26

Anterior, can go to Premolars. Subgingival

Question 27

Where is the Gracie Curet SG11/12 used at?

Answer 27

Posterior. (Mesial Surface) Subgingival

Question 28

Where is the Gracie Curet SG13/14 used at?

Answer 28

Posterior (Distal Surfaces) Subgingival