Subject: Module 13: Explorers
1. Explorers are made of strong, rigid metal that does not bend easily. Explorers are circular in
cross section.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second statement is false.
D. The first statement is false; the second statement is true.
Answer: D
Subject: Module 13: Explorers
2. The clinician should use the actual point of an explorer's working-end to detect which of the
following?
A. Dental caries
B. Calculus deposits
C. Junctional epithelium
D. None of the above
Answer: A
Subject: Module 13: Explorers
3. One to two millimeters of the side of the explorer's working-end is known as the _____.
A. functional length
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 13-1
, B. explorer tip
C. explorer point
D. explorer protuberance
Answer: B
Subject: Module 13: Explorers
4. The clinician should not use an Orban-type explorer for proximal subgingival calculus
detection on posterior teeth because _____.
A. it has a curved lower shank that would get in the way
B. it is available only as a double-ended instrument and would not adapt well
C. it has a long, straight functional shank works best on anterior teeth
D. the sharp point is directed toward the junctional epithelium
Answer: C
Subject: Module 13: Explorers
5. Rodney wants to explore a periodontal pocket on a molar tooth with a probing depth of 5 mm.
He should select an explorer with which of the following design characteristics?
A. A long, complex shank design
B. A pointed working-end
C. Lower shank that is highly curved
D. A long, simple shank design
Answer: A
Subject: Module 13: Explorers
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 13-2
1. Explorers are made of strong, rigid metal that does not bend easily. Explorers are circular in
cross section.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second statement is false.
D. The first statement is false; the second statement is true.
Answer: D
Subject: Module 13: Explorers
2. The clinician should use the actual point of an explorer's working-end to detect which of the
following?
A. Dental caries
B. Calculus deposits
C. Junctional epithelium
D. None of the above
Answer: A
Subject: Module 13: Explorers
3. One to two millimeters of the side of the explorer's working-end is known as the _____.
A. functional length
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 13-1
, B. explorer tip
C. explorer point
D. explorer protuberance
Answer: B
Subject: Module 13: Explorers
4. The clinician should not use an Orban-type explorer for proximal subgingival calculus
detection on posterior teeth because _____.
A. it has a curved lower shank that would get in the way
B. it is available only as a double-ended instrument and would not adapt well
C. it has a long, straight functional shank works best on anterior teeth
D. the sharp point is directed toward the junctional epithelium
Answer: C
Subject: Module 13: Explorers
5. Rodney wants to explore a periodontal pocket on a molar tooth with a probing depth of 5 mm.
He should select an explorer with which of the following design characteristics?
A. A long, complex shank design
B. A pointed working-end
C. Lower shank that is highly curved
D. A long, simple shank design
Answer: A
Subject: Module 13: Explorers
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 13-2
