HESI DENTAL HYGIENE ACTUAL EXAM |200 COMPLETE
QUESTIONS WITH EXPERT SOLUTIONS | 2026 LATEST UPDATED |
GET A+
Which bacteria are predominately found close to the pulp in the carious lesion on tooth #14?
A. Fusobacterium
B. lactobacillus
C. Actinomyces viscosus
D. Streptococcus mutans - (answer)B. lactobacillus
What clinical characteristic indicated the presence of subgingival calculus?
A. presence of supgragingival calculus
B. blusish-red marginal gingiva
C. presence of diastemas
D. attachment loss - (answer)B. blusish-red marginal gingiva
Radiographically, what is the radiopaque structure posterior to #31?
A. mandibular canal
B. external oblique ridge
C. retromolar pad
D. internal oblique ridge - (answer)D. internal oblique ridge
Which explains the distobuccal probing depths on tooth #13?
A. periodontal disease
B. presence of radicular calculus
C. keratinized tissue associated with tobacco use
D. gingival enlargement - (answer)B. presence of radicular calculus
,The patient is scheduled to have tooth #14 extracted. Which prophylactic oral antibiotic drug
regimen should be prescribed for this procedure?
A. amoxicillin 2000mg one hour prior
B. amoxicillin 2000mg one hour before and after
C. Cephalexin 2 grams one hour before and after
D. cephalexin 2 grams one hour before - (answer)A. amoxicillin 2000mg one hour prior
If necessary, which nonopiod analgesic can be recommend for the patient to take after the
extraction?
A. ibuprofen
B. acetaminophen
C. naproxen
D. aspirin - (answer)B. acetaminophen
The dental hygienist plans to debride the patient's dentition used a mangetostrictive ultrasonic
scaled. Which motion and sides are active with the scaler tip?
A. linear with all sides
B. linear with lateral sides
C. elliptical with lateral sides
D. elliptical with all sides - (answer)D. elliptical with all sides
The palate appears keratotic with interspersed red spots. What does this clinical appearance most
likely represent?
A. recurrent aphthous ulcers
B. nicotine stomatitis
C. materia alba
D. hand, foot and mouth disease - (answer)B. nicotine stomatitis
The carious lesion on tooth #14 has penetrated each of the following tooth structures EXCEPT
one. Which one is the EXCEPTION?
,A. enamel
B. pulp
C. cementum
D. dentin - (answer)B. pulp
Which agent was tooth #30 most likely treated with before the restoration was placed?
A. Base
B. linear
C. varnish
D. sealer - (answer)A. Base
The patient experiences acut pain during periodontal debridement of #12, necessitating
supraperiosteal anesthesia. Which volume of anesthetic solution, in millimeters, should be
administered?
A. 0.2 to 0.4
B. 0.4 to 0.9
C. 1.2 to 1.5
D. 0.9 to 1.2 - (answer)B. 0.4 to 0.9
The recession for all three surfaces on the lingual of #13 is 1mm. Which clinical attachment loss,
in millimeters (mm), for the mesiolingual aspect of #13.
A. 4
B. 7
C. 5
D. 6 - (answer)B. 7
The loss of enamel on tooth #6 is permanent because ameloblasts recede to the dentinoenamel
junction upon eruption.
A. the statement is not correct, but the reason is correct.
B. Both the statement and reason are correct and related.
, C. the statement is correct, but the reason is not.
D. Neither the statement nor the reason is correct.
E. Both the statement and the reason are correct, but not related. - (answer)C. the statement is
correct, but the reason is not.
Which clinical condition is present in all anterior teeth?
A. Abrasion
B. extrusion
C. erosion
D. attrition - (answer)D. attrition
Once the patient has completed the tobacco assessment survey, what should be assessed next?
A. Gather educational materials to share with patient
B. discuss medical side effects of tobacco use
C. confer barriers to quitting
D. evaluate patients willingness to quit - (answer)D. evaluate patients willingness to quit
CASE TWO - (answer)
Which is the most logical reason for obliteration of the pulp cavities?
A. wearing a palatal denture
B. age of the patient
C. presence of recession
D. trauma - (answer)B. age of the patient
The patient presents with each of the following conditions EXCEPT one. Which one is the
exception?
A. diabetes
B. thyroid hypofunction
QUESTIONS WITH EXPERT SOLUTIONS | 2026 LATEST UPDATED |
GET A+
Which bacteria are predominately found close to the pulp in the carious lesion on tooth #14?
A. Fusobacterium
B. lactobacillus
C. Actinomyces viscosus
D. Streptococcus mutans - (answer)B. lactobacillus
What clinical characteristic indicated the presence of subgingival calculus?
A. presence of supgragingival calculus
B. blusish-red marginal gingiva
C. presence of diastemas
D. attachment loss - (answer)B. blusish-red marginal gingiva
Radiographically, what is the radiopaque structure posterior to #31?
A. mandibular canal
B. external oblique ridge
C. retromolar pad
D. internal oblique ridge - (answer)D. internal oblique ridge
Which explains the distobuccal probing depths on tooth #13?
A. periodontal disease
B. presence of radicular calculus
C. keratinized tissue associated with tobacco use
D. gingival enlargement - (answer)B. presence of radicular calculus
,The patient is scheduled to have tooth #14 extracted. Which prophylactic oral antibiotic drug
regimen should be prescribed for this procedure?
A. amoxicillin 2000mg one hour prior
B. amoxicillin 2000mg one hour before and after
C. Cephalexin 2 grams one hour before and after
D. cephalexin 2 grams one hour before - (answer)A. amoxicillin 2000mg one hour prior
If necessary, which nonopiod analgesic can be recommend for the patient to take after the
extraction?
A. ibuprofen
B. acetaminophen
C. naproxen
D. aspirin - (answer)B. acetaminophen
The dental hygienist plans to debride the patient's dentition used a mangetostrictive ultrasonic
scaled. Which motion and sides are active with the scaler tip?
A. linear with all sides
B. linear with lateral sides
C. elliptical with lateral sides
D. elliptical with all sides - (answer)D. elliptical with all sides
The palate appears keratotic with interspersed red spots. What does this clinical appearance most
likely represent?
A. recurrent aphthous ulcers
B. nicotine stomatitis
C. materia alba
D. hand, foot and mouth disease - (answer)B. nicotine stomatitis
The carious lesion on tooth #14 has penetrated each of the following tooth structures EXCEPT
one. Which one is the EXCEPTION?
,A. enamel
B. pulp
C. cementum
D. dentin - (answer)B. pulp
Which agent was tooth #30 most likely treated with before the restoration was placed?
A. Base
B. linear
C. varnish
D. sealer - (answer)A. Base
The patient experiences acut pain during periodontal debridement of #12, necessitating
supraperiosteal anesthesia. Which volume of anesthetic solution, in millimeters, should be
administered?
A. 0.2 to 0.4
B. 0.4 to 0.9
C. 1.2 to 1.5
D. 0.9 to 1.2 - (answer)B. 0.4 to 0.9
The recession for all three surfaces on the lingual of #13 is 1mm. Which clinical attachment loss,
in millimeters (mm), for the mesiolingual aspect of #13.
A. 4
B. 7
C. 5
D. 6 - (answer)B. 7
The loss of enamel on tooth #6 is permanent because ameloblasts recede to the dentinoenamel
junction upon eruption.
A. the statement is not correct, but the reason is correct.
B. Both the statement and reason are correct and related.
, C. the statement is correct, but the reason is not.
D. Neither the statement nor the reason is correct.
E. Both the statement and the reason are correct, but not related. - (answer)C. the statement is
correct, but the reason is not.
Which clinical condition is present in all anterior teeth?
A. Abrasion
B. extrusion
C. erosion
D. attrition - (answer)D. attrition
Once the patient has completed the tobacco assessment survey, what should be assessed next?
A. Gather educational materials to share with patient
B. discuss medical side effects of tobacco use
C. confer barriers to quitting
D. evaluate patients willingness to quit - (answer)D. evaluate patients willingness to quit
CASE TWO - (answer)
Which is the most logical reason for obliteration of the pulp cavities?
A. wearing a palatal denture
B. age of the patient
C. presence of recession
D. trauma - (answer)B. age of the patient
The patient presents with each of the following conditions EXCEPT one. Which one is the
exception?
A. diabetes
B. thyroid hypofunction
