Dental Hygiene Exam Practice Quiz Form
Test your dental hygiene knowledge with this practice quiz. Select the best answer for each question.
Which of the following is the most effective method for removing supragingival plaque?
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Brushing with a soft-bristled toothbrush
Rinsing with water
Chewing sugar-free gum
Using a mouth spray
What is the primary purpose of dental floss?
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Remove interproximal plaque
Polish teeth
Whiten teeth
Freshen breath
Which instrument is best for detecting calculus deposits during a dental hygiene exam?
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Explorer
Scaler
Curette
Mouth mirror
Which bacteria is most commonly associated with dental caries formation?
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Streptococcus mutans
Lactobacillus acidophilus
Porphyromonas gingivalis
Treponema denticola
Which of the following is NOT a sign of gingivitis?
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Bleeding gums
Redness
Recession of the gum line
Swelling
What is the recommended concentration of fluoride in community water supplies to prevent dental caries?
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0.7 ppm
1.5 ppm
3.0 ppm
5.0 ppm
Which of the following is the correct angulation for scaling with a curette?
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45-90 degrees
0-20 degrees
100-120 degrees
120-150 degrees
Which personal protective equipment (PPE) is essential during ultrasonic scaling?
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Protective eyewear, mask, gloves
Lab coat only
Face shield only
Hair net only
Which index is used to measure oral hygiene by assessing the presence of debris and calculus?
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OHI-S (Simplified Oral Hygiene Index)
DMFT Index
Plaque Index
Gingival Index
What is the main advantage of using a powered toothbrush over a manual toothbrush?
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Improved plaque removal
Lower cost
Requires no technique
No need for toothpaste
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