NBDHE Exam Questions and Answers Latest Version 2024 Already Passed
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NBDHE Exm
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NBDHE Exm
NBDHE Exam Questions and Answers
Latest Version 2024 Already Passed
What is the primary purpose of fluoride in dental care?
The primary purpose of fluoride in dental care is to help prevent tooth decay by
strengthening enamel and making it more resistant to acids.
What is the recommended ...
NBDHE Exam Questions and Answers
Latest Version 2024 Already Passed
What is the primary purpose of fluoride in dental care?
✔✔ The primary purpose of fluoride in dental care is to help prevent tooth decay by
strengthening enamel and making it more resistant to acids.
What is the recommended frequency for professional dental cleanings?
✔✔ Professional dental cleanings are generally recommended every six months.
What does the term "periodontal disease" refer to?
✔✔ Periodontal disease refers to infections and inflammation of the gums and supporting
structures of the teeth, which can lead to tooth loss if untreated.
How is dental plaque different from dental calculus?
✔✔ Dental plaque is a soft, sticky film of bacteria that forms on teeth, while dental calculus
(tartar) is hardened plaque that cannot be removed by regular brushing.
What is the purpose of a periodontal probe in a dental exam?
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,✔✔ A periodontal probe is used to measure the depth of gum pockets around each tooth to
assess the health of the periodontium.
Describe the role of a dental hygienist in patient education.
✔✔ A dental hygienist educates patients about proper oral hygiene techniques, the importance of
regular dental visits, and how to prevent oral diseases.
What is the main cause of dental caries?
✔✔ Dental caries are primarily caused by the acid produced by bacteria that feed on sugars and
carbohydrates in the mouth, leading to the demineralization of tooth enamel.
What is an "X-ray" used for in dentistry?
✔✔ X-rays are used in dentistry to visualize the internal structures of the teeth and jawbone,
helping to diagnose issues such as cavities, bone loss, and impacted teeth.
What does "infection control" in a dental office involve?
✔✔ Infection control in a dental office involves practices and protocols to prevent the spread of
infections, including sterilization of instruments, use of personal protective equipment, and
proper cleaning procedures.
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,What is the function of dental sealants?
✔✔ Dental sealants are applied to the chewing surfaces of molars to protect them from decay by
providing a protective barrier against plaque and food particles.
What is the primary function of dental floss?
✔✔ The primary function of dental floss is to remove plaque and food particles from between
the teeth and under the gumline, areas that a toothbrush may not reach effectively.
What are the common symptoms of gingivitis?
✔✔ Common symptoms of gingivitis include red, swollen, and bleeding gums, particularly when
brushing or flossing.
How often should you replace your toothbrush?
✔✔ You should replace your toothbrush every three to four months, or sooner if the bristles
become frayed.
What is the significance of the DMFT index in dentistry?
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, ✔✔ The DMFT index measures the number of Decayed, Missing, and Filled Teeth in an
individual's mouth, helping to assess the overall level of dental caries.
What does "biopsy" mean in the context of oral health?
✔✔ A biopsy involves taking a sample of tissue from the mouth to be examined for
abnormalities, such as cancer or other diseases.
What is the role of calcium in oral health?
✔✔ Calcium is essential for maintaining strong teeth and bones, as it helps in the formation and
preservation of tooth enamel and bone structure.
Describe the purpose of a dental occlusion exam.
✔✔ A dental occlusion exam assesses how the upper and lower teeth align and come together
during biting and chewing, identifying any issues with bite alignment or function.
What are the effects of smoking on oral health?
✔✔ Smoking can lead to a variety of oral health issues, including increased risk of gum disease,
tooth loss, oral cancer, and delayed healing after dental procedures.
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