NBDHE Questions and Answers 100%
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What is the primary purpose of using a dental scaler?
The primary purpose of using a dental scaler is to remove plaque and tartar buildup from the
tooth surfaces, particularly below the gumline.
What is the recommended method for brushing teeth to e...
NBDHE Questions and Answers 100%
Pass
What is the primary purpose of using a dental scaler?
✔✔ The primary purpose of using a dental scaler is to remove plaque and tartar buildup from the
tooth surfaces, particularly below the gumline.
What is the recommended method for brushing teeth to ensure effective cleaning?
✔✔ The recommended method for brushing teeth is to use a soft-bristled toothbrush and brush at
a 45-degree angle to the gums using short, gentle strokes.
How does a fluoride treatment help prevent tooth decay?
✔✔ A fluoride treatment helps prevent tooth decay by strengthening tooth enamel, making it
more resistant to acid attacks from bacteria and food.
What is the role of a dental hygienist in managing a patient’s periodontal health?
✔✔ A dental hygienist manages a patient’s periodontal health by performing cleanings, scaling,
root planing, and educating patients on proper oral hygiene practices.
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,Why is it important to take a patient’s medical history during a dental visit?
✔✔ It is important to take a patient’s medical history to identify any conditions or medications
that may affect dental treatment and to ensure safe and appropriate care.
What is the difference between a dental crown and a dental bridge?
✔✔ A dental crown covers a single tooth to restore its shape and function, while a dental bridge
replaces one or more missing teeth by anchoring to adjacent teeth.
How often should patients replace their toothbrushes for optimal oral hygiene?
✔✔ Patients should replace their toothbrushes every three to four months or sooner if the bristles
become frayed.
What is "scaling and root planing" and when is it performed?
✔✔ Scaling and root planing is a deep cleaning procedure performed to remove plaque and tartar
from below the gumline and smooth the tooth roots to promote gum health.
What does "dental prophylaxis" involve?
✔✔ Dental prophylaxis involves a thorough cleaning of the teeth to remove plaque, tartar, and
stains, typically performed during a routine dental visit.
2
,How does smoking impact oral health?
✔✔ Smoking can lead to oral health issues such as gum disease, tooth loss, bad breath, and an
increased risk of oral cancer.
What is the purpose of a bitewing radiograph?
✔✔ The purpose of a bitewing radiograph is to detect cavities between the teeth and to monitor
the bone level around the teeth.
How does a dental sealant help in cavity prevention?
✔✔ A dental sealant helps prevent cavities by covering the grooves on the chewing surfaces of
molars, preventing bacteria and food particles from accumulating.
What are the signs of an oral infection that a dental hygienist should look for?
✔✔ Signs of an oral infection include redness, swelling, pus, pain, and persistent sores or ulcers
in the mouth.
Why is it important to assess the occlusion during a dental exam?
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, ✔✔ Assessing the occlusion is important to identify bite issues, such as misalignment or uneven
wear, which can affect overall dental health and function.
What does "patient education" involve in a dental setting?
✔✔ Patient education involves informing patients about oral hygiene practices, preventive care,
and the importance of regular dental visits to maintain good oral health.
What is the primary function of the periodontal probe in dental exams?
✔✔ The primary function of the periodontal probe is to measure the depth of gum pockets
around each tooth to assess the health of the periodontal tissues.
How does the use of mouthwash benefit oral health?
✔✔ Mouthwash benefits oral health by reducing oral bacteria, freshening breath, and sometimes
providing additional fluoride to help prevent tooth decay.
What is "tooth sensitivity" and what might cause it?
✔✔ Tooth sensitivity is a sharp pain or discomfort in response to hot, cold, or sweet stimuli,
often caused by exposed dentin due to gum recession or enamel erosion.
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