DHF Midterm Review Exam 112 Questions & Answers.
Each of the following is a benefit of the use of a dentifrice with toothbrushing EXCEPT one.
Which is the EXCEPTION?
a. Fluoride application
b. Stain prevention
c. Plaque removal
d. Clean mouth feel - Correct Answer Plaque removal
Which is the most commonly used device for removing oral biofilm?
a. Manual toothbrush
b. Oscillating-rotating power toothbrush
c. Circular power toothbrush
d. Sonic power toothbrush - Correct Answer Manual toothbrush
The head of a manual toothbrush should be _______ enough to remove plaque efficiently
and ________ enough to reach to all areas of the mouth
a. large; large
b. large; small
c. small; large
d. small; small - Correct Answer large, small
A new development in toothbrushes is tapered filaments, claiming better plaque removal
and reduced gingival trauma. A systematic review concluded there is no firm evidence to
recommend a tapered filament toothbrush over an end-rounded toothbrush.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true.
A toothbrush should be replaced
,a. every month.
b. every 2 months.
c. every 3 months.
d. when the filaments are worn. - Correct Answer when the filaments are worn
Indications for power toothbrushes include
a. fixed orthodontic appliances, extensive prosthodontics or dental implants, dexterity and
motivational challenges.
b. fixed orthodontic appliances and extensive prosthodontics or dental implants, but not
dexterity and motivational challenges.
c. fixed orthodontic appliances and dexterity and motivational challenges, but not
extensive prosthodontics or dental implants.
d. extensive prosthodontics or dental implants and dexterity and motivational challenges,
but not fixed orthodontic appliances. - Correct Answer a (fixed orthodontic appliances,
extensive prosthodontics or dental implants, dexterity and motivational challenges)
Power toothbrushes are safe and effective. Power toothbrushes have a high level of
patient acceptance.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
Toothbrushes require client-specific instructions. When giving toothbrushing instruction,
the dental hygienist considers client characteristics.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
What is the recommended minimal duration of brushing time?
, a. 30 seconds
b. 1 minute
c. 2 minutes
d. 5 minutes - Correct Answer 2 minutes
Powered toothbrushes are more efficient than manual brushes in
a. both plaque reduction and gingivitis reduction.
b. plaque reduction but not gingivitis reduction.
c. gingivitis reduction but not plaque reduction.
d. neither plaque reduction nor gingivitis reduction. - Correct Answer both plaque reduction
and gingivitis reduction
There is no standard recommendation for how many times per day persons should brush.
From a practical viewpoint, patients are told to brush their teeth at least twice daily to
remove plaque and to apply fluoride dentifrice to prevent caries.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
Brushing force with power toothbrushes applies ______ force than with manual
toothbrushes.
a. less
b. the same
c. somewhat more
d. much more - Correct Answer less
Tooth abrasion due to toothbrushing technique is typically located around which portion of
the tooth?
a. Incisal or occlusal surface of enamel
b. Facial or buccal surface of enamel
Each of the following is a benefit of the use of a dentifrice with toothbrushing EXCEPT one.
Which is the EXCEPTION?
a. Fluoride application
b. Stain prevention
c. Plaque removal
d. Clean mouth feel - Correct Answer Plaque removal
Which is the most commonly used device for removing oral biofilm?
a. Manual toothbrush
b. Oscillating-rotating power toothbrush
c. Circular power toothbrush
d. Sonic power toothbrush - Correct Answer Manual toothbrush
The head of a manual toothbrush should be _______ enough to remove plaque efficiently
and ________ enough to reach to all areas of the mouth
a. large; large
b. large; small
c. small; large
d. small; small - Correct Answer large, small
A new development in toothbrushes is tapered filaments, claiming better plaque removal
and reduced gingival trauma. A systematic review concluded there is no firm evidence to
recommend a tapered filament toothbrush over an end-rounded toothbrush.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true.
A toothbrush should be replaced
,a. every month.
b. every 2 months.
c. every 3 months.
d. when the filaments are worn. - Correct Answer when the filaments are worn
Indications for power toothbrushes include
a. fixed orthodontic appliances, extensive prosthodontics or dental implants, dexterity and
motivational challenges.
b. fixed orthodontic appliances and extensive prosthodontics or dental implants, but not
dexterity and motivational challenges.
c. fixed orthodontic appliances and dexterity and motivational challenges, but not
extensive prosthodontics or dental implants.
d. extensive prosthodontics or dental implants and dexterity and motivational challenges,
but not fixed orthodontic appliances. - Correct Answer a (fixed orthodontic appliances,
extensive prosthodontics or dental implants, dexterity and motivational challenges)
Power toothbrushes are safe and effective. Power toothbrushes have a high level of
patient acceptance.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
Toothbrushes require client-specific instructions. When giving toothbrushing instruction,
the dental hygienist considers client characteristics.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
What is the recommended minimal duration of brushing time?
, a. 30 seconds
b. 1 minute
c. 2 minutes
d. 5 minutes - Correct Answer 2 minutes
Powered toothbrushes are more efficient than manual brushes in
a. both plaque reduction and gingivitis reduction.
b. plaque reduction but not gingivitis reduction.
c. gingivitis reduction but not plaque reduction.
d. neither plaque reduction nor gingivitis reduction. - Correct Answer both plaque reduction
and gingivitis reduction
There is no standard recommendation for how many times per day persons should brush.
From a practical viewpoint, patients are told to brush their teeth at least twice daily to
remove plaque and to apply fluoride dentifrice to prevent caries.
a. Both statements are true.
b. Both statements are false.
c. The first statement is true, the second is false.
d. The first statement is false, the second is true. - Correct Answer Both statements are
true
Brushing force with power toothbrushes applies ______ force than with manual
toothbrushes.
a. less
b. the same
c. somewhat more
d. much more - Correct Answer less
Tooth abrasion due to toothbrushing technique is typically located around which portion of
the tooth?
a. Incisal or occlusal surface of enamel
b. Facial or buccal surface of enamel
