NBDHE Practice Questions Latest
Update Graded A+
What is the main role of a dental hygienist during a patient examination?
a) To diagnose dental diseases
✔✔b) To educate the patient about oral health
c) To perform complex surgical procedures
d) To conduct laboratory tests
Which of the following best describes "dental plaque"?
a) Hardened calculus on teeth
✔✔b) A sticky, colorless film of bacteria
c) A form of tooth decay
d) A type of mouthwash
What is the primary purpose of fluoride treatments in dentistry?
1
,a) To brighten teeth
✔✔b) To prevent and reduce tooth decay
c) To treat gum disease
d) To whiten dental restorations
Which instrument is commonly used to remove tartar from the teeth?
a) Explorer
b) Dental mirror
✔✔c) Ultrasonic scaler
d) Air-water syringe
What is the purpose of an intraoral camera in dental practice?
a) To sterilize dental tools
✔✔b) To capture detailed images of the inside of the mouth
c) To apply fluoride treatments
d) To measure tooth sensitivity
2
,Which type of bacteria is primarily associated with the development of cavities?
✔✔a) Streptococcus mutans
b) Actinomyces israelii
c) Fusobacterium nucleatum
d) Porphyromonas gingivalis
What is the recommended frequency for dental check-ups for most patients?
a) Once every year
✔✔b) Every six months
c) Once every two years
d) Every three months
What is the main purpose of scaling in dental cleanings?
a) To apply fluoride
3
, b) To polish teeth
✔✔c) To remove plaque and tartar buildup
d) To assess tooth sensitivity
Which oral condition is characterized by red, swollen, and bleeding gums?
a) Oral thrush
b) Tooth sensitivity
✔✔c) Gingivitis
d) Dental caries
What is the primary benefit of using dental sealants?
a) To whiten teeth
b) To treat gum disease
✔✔c) To prevent cavities in the pits and fissures of teeth
d) To replace missing teeth
4
Update Graded A+
What is the main role of a dental hygienist during a patient examination?
a) To diagnose dental diseases
✔✔b) To educate the patient about oral health
c) To perform complex surgical procedures
d) To conduct laboratory tests
Which of the following best describes "dental plaque"?
a) Hardened calculus on teeth
✔✔b) A sticky, colorless film of bacteria
c) A form of tooth decay
d) A type of mouthwash
What is the primary purpose of fluoride treatments in dentistry?
1
,a) To brighten teeth
✔✔b) To prevent and reduce tooth decay
c) To treat gum disease
d) To whiten dental restorations
Which instrument is commonly used to remove tartar from the teeth?
a) Explorer
b) Dental mirror
✔✔c) Ultrasonic scaler
d) Air-water syringe
What is the purpose of an intraoral camera in dental practice?
a) To sterilize dental tools
✔✔b) To capture detailed images of the inside of the mouth
c) To apply fluoride treatments
d) To measure tooth sensitivity
2
,Which type of bacteria is primarily associated with the development of cavities?
✔✔a) Streptococcus mutans
b) Actinomyces israelii
c) Fusobacterium nucleatum
d) Porphyromonas gingivalis
What is the recommended frequency for dental check-ups for most patients?
a) Once every year
✔✔b) Every six months
c) Once every two years
d) Every three months
What is the main purpose of scaling in dental cleanings?
a) To apply fluoride
3
, b) To polish teeth
✔✔c) To remove plaque and tartar buildup
d) To assess tooth sensitivity
Which oral condition is characterized by red, swollen, and bleeding gums?
a) Oral thrush
b) Tooth sensitivity
✔✔c) Gingivitis
d) Dental caries
What is the primary benefit of using dental sealants?
a) To whiten teeth
b) To treat gum disease
✔✔c) To prevent cavities in the pits and fissures of teeth
d) To replace missing teeth
4
