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NBDHE Dental Hygienist Practice Test Questions with Verified Answers

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NBDHE Dental Hygienist Practice Test Questions with Verified Answers What is the primary purpose of using a dental mirror during an examination? a) To apply fluoride b) To provide indirect vision and reflect light c) To scale tartar from teeth d) To take X-rays Which type of dental m...

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  • September 10, 2024
  • 48
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBDHE Dental Hygienist Practice
  • NBDHE Dental Hygienist Practice
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NBDHE Dental Hygienist Practice Test
Questions with Verified Answers

What is the primary purpose of using a dental mirror during an examination?




a) To apply fluoride


✔✔b) To provide indirect vision and reflect light


c) To scale tartar from teeth

d) To take X-rays




Which type of dental material is commonly used for filling cavities?




a) Dental amalgam

b) Composite resin


✔✔c) Both a and b


d) Dental cement




What does the term "periodontal" refer to in dentistry?



1

,a) Teeth alignment

b) Tooth whitening


✔✔c) The structures surrounding and supporting the teeth


d) Dental implants




Which of the following is a common symptom of gingivitis?




a) Tooth sensitivity

b) Bad breath

c) Tooth discoloration


✔✔d) Swollen and bleeding gums




What is the primary function of a bitewing X-ray?




a) To evaluate the jawbone

b) To visualize the root canals


✔✔c) To detect cavities between the teeth


d) To assess the position of dental implants


2

,What is the main ingredient in toothpaste that helps prevent cavities?




a) Sodium lauryl sulfate

b) Calcium carbonate


✔✔c) Fluoride


d) Baking soda




Which type of dental instrument is used for root canal therapy?




a) Dental explorer

b) Ultrasonic scaler


✔✔c) Endodontic files


d) Prophy cup




What is a common cause of bad breath (halitosis)?




a) Tooth sensitivity


3

, b) Dental caries

c) Gum recession


✔✔d) Bacterial buildup on the tongue and teeth




What is the recommended brushing technique for effective plaque removal?




a) Scrubbing back and forth

b) Brushing in a circular motion


✔✔c) Using short, gentle strokes


d) Brushing only the front teeth




Which dental condition is characterized by the loss of bone around the teeth?




a) Gingivitis


✔✔b) Periodontitis


c) Dental caries

d) Oral thrush




4

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