NBDHE Mock Board Questions and
Answers 100% Pass
What is the purpose of using an air-water syringe during dental procedures?
a) To apply fluoride
b) To rinse and dry the tooth surface
c) To polish teeth
d) To measure gum pockets
Which bacteria are primarily responsible for dental ...
NBDHE Mock Board Questions and
Answers 100% Pass
What is the purpose of using an air-water syringe during dental procedures?
a) To apply fluoride
b) To rinse and dry the tooth surface ✔✔
c) To polish teeth
d) To measure gum pockets
Which bacteria are primarily responsible for dental caries?
a) Streptococcus mutans ✔✔
b) Lactobacillus acidophilus
c) Actinomyces israelii
d) Porphyromonas gingivalis
What does a comprehensive periodontal examination include?
1
,a) Checking tooth alignment
b) Assessing gum health and measuring pocket depths ✔✔
c) Performing a fluoride treatment
d) Evaluating bite registration
How does smoking affect oral health?
a) It strengthens tooth enamel
b) It enhances the healing process
c) It increases the risk of gum disease and oral cancer ✔✔
d) It decreases the likelihood of cavities
Which of the following is a sign of oral cancer?
a) Yellowing of teeth
b) Persistent sores or ulcers in the mouth ✔✔
c) Frequent tooth sensitivity
d) Increased plaque buildup
2
,What is the primary benefit of using desensitizing toothpaste?
a) Whitening teeth
b) Reducing sensitivity to hot and cold ✔✔
c) Strengthening enamel
d) Removing calculus
What is a common method for assessing the risk of periodontal disease?
a) Visual inspection only
b) Measuring pocket depths with a periodontal probe ✔✔
c) Performing a bite test
d) Taking intraoral photographs
What is the role of a dental hygienist in patient education?
a) To perform root canals
3
, b) To educate patients on oral hygiene and disease prevention ✔✔
c) To extract teeth
d) To fit dental crowns
What condition is characterized by severe inflammation of the gums and bone loss?
a) Gingivitis
b) Periodontitis ✔✔
c) Candidiasis
d) Oral lichen planus
Which material is commonly used for dental fillings?
a) Porcelain
b) Gold
c) Composite resin
d) Amalgam ✔✔
4
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