MN LDA State Exam 2026 Questions and
Answers
What stains occur on external surfaces of the tooth; removed by brushing, scaling
and polishing - Correct answer-Extrinsic
Polishing select surfaces of the teeth that have stains is: - Correct answer-Selectice
polishing
What grasp do you use when holding the privy hand-piece - Correct answer-Pen
grasp
How should a patient be positioned for access to the maxillary arch - Correct
answer-Supine and chin up
A highly retentive stain found along the gingival third of the teeth which is more
common in females is? - Correct answer-black line stain
What can happen if the prophet angle is used at a high speed - Correct answer-It
will cause frictional heat
Stains that cannot be removed from the surfaces of the teeth by coronal polishing
are: - Correct answer-Endogenous stains
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, Mottled enamel is also known as - Correct answer-Dental fluorosis
When polishing porcelain restorations, the polishing agent recommended is: -
Correct answer-Aluminum oxide
When coronal polishing, the prophet cup should be rotating: - Correct answer-After
placement in the mouth, prior to touching the tooth
What is the most common stain found in children - Correct answer-Green line stain
Stain that originates outside of the tooth in response to environmental agents -
Correct answer-Exogenous
Which part of the prophet cup actually polishes the tooth - Correct answer-The
edge of the cup
All of the following are reasons you use an explorer when doing a coronal
polishing expect:
To scale calculus and tarter
To determine if stains are intrinsic or extrinsic
To determine if deposited are removed
To remove soft deposits such as plaque and food debris - Correct answer-To scale
calculus and tarter
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Answers
What stains occur on external surfaces of the tooth; removed by brushing, scaling
and polishing - Correct answer-Extrinsic
Polishing select surfaces of the teeth that have stains is: - Correct answer-Selectice
polishing
What grasp do you use when holding the privy hand-piece - Correct answer-Pen
grasp
How should a patient be positioned for access to the maxillary arch - Correct
answer-Supine and chin up
A highly retentive stain found along the gingival third of the teeth which is more
common in females is? - Correct answer-black line stain
What can happen if the prophet angle is used at a high speed - Correct answer-It
will cause frictional heat
Stains that cannot be removed from the surfaces of the teeth by coronal polishing
are: - Correct answer-Endogenous stains
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Mottled enamel is also known as - Correct answer-Dental fluorosis
When polishing porcelain restorations, the polishing agent recommended is: -
Correct answer-Aluminum oxide
When coronal polishing, the prophet cup should be rotating: - Correct answer-After
placement in the mouth, prior to touching the tooth
What is the most common stain found in children - Correct answer-Green line stain
Stain that originates outside of the tooth in response to environmental agents -
Correct answer-Exogenous
Which part of the prophet cup actually polishes the tooth - Correct answer-The
edge of the cup
All of the following are reasons you use an explorer when doing a coronal
polishing expect:
To scale calculus and tarter
To determine if stains are intrinsic or extrinsic
To determine if deposited are removed
To remove soft deposits such as plaque and food debris - Correct answer-To scale
calculus and tarter
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
