HESI DENTAL HYGIENE CASE BASED PRACTICE
TEST 2026 FINAL REVIEW PACK COMPLETE
QUESTION SET AND CORE CONCEPT
SUMMARY
◉ Case 1:
Which clinical characteristic indicates the presence of subgingival
calculus?
A. Presence of supragingival calculus.
B. Presence of diastemas.
C. Bluish-red marginal gingiva.
D. Attachment loss. Answer: C. Bluish-red marginal gingiva.
◉ Case 1:
Radiographically, what is the radiopaque structure posterior to tooth
#31?
A. Internal oblique ridge.
B. Mandibular canal.
C. External oblique ridge.
D. Retromolar pad. Answer: A. Internal oblique ridge.
,◉ Case 1:
Which explains the distobuccal probing depths on tooth #13?
A. Keratinized tissue associated with tobacco use.
B. Presence of radicular calculus.
C. Gingival enlargement.
D. Periodontal health. Answer: B. Presence of radicular calculus.
◉ Case 1:
The patient is scheduled to have tooth #14 extracted. Which
prophylactic oral antibiotic drug regimen should be prescribed for
this procedure?
A. Cephalexin 2 grams one hour prior.
B. Cephalexin 2 grams one hour before and after.
C. Amoxicillin 2000 milligrams one hour before and after.
D. Amoxicillin 2000 milligrams one hour prior. Answer: D.
Amoxicillin 2000 milligrams one hour prior.
◉ Case 1:
If necessary, which nonopioid analgesic can be recommended for the
patient to take after the extraction?
A. Ibuprofen.
B. Acetaminophen.
C. Naproxen.
,D. Aspirin. Answer: B. Acetaminophen.
◉ Case 1:
The dental hygienist plans to debride the patienT's dentition using a
magnetostrictive ultrasonic scaler. Which motion and sides are
active with the scaler tip?
A. Elliptical with lateral sides.
B. Linear with all sides.
C. Linear with lateral sides.
D. Elliptical with all sides. Answer: D. Elliptical with all sides.
◉ Case 1:
The palate appears keratotic with interspersed red spots. What does
this clinical appearance most likely represent?
A. Nicotine stomatitis.
B. Hand, foot and mouth disease.
C. Materia alba.
D. Recurrent aphthous ulcers. Answer: A. Nicotine stomatitis.
◉ Case 1:
The carious lesion on tooth #14 has penetrated each of the following
tooth structures EXCEPT one. Which one is the EXCEPTION?
A. Dentin.
, B. Pulp.
C. Enamel.
D. Cementum. Answer: B. Pulp.
◉ Case 1:
Which agent was tooth #30 most likely treated with before the
restoration was placed?
A. Varnish.
B. Base.
C. Liner.
D. Sealer. Answer: B. Base.
◉ Case 1:
The patient experiences acute pain during the periodontal
debridement of #12, necessitating supraperiosteal anesthesia.
Which volume of anesthetic solution, in millimeters, should be
administered?
A. 0.9 to 1.2 (one-half to two-thirds cartridge).
B. 1.2 to 1.5 (two-thirds to three-quarters cartridge).
C. 0.2 to 0.4 (one-eighth to one-quarter cartridge).
D. 0.4 to 0.9 (one-quarter to one-half cartridge). Answer: D. 0.4 to 0.9
(one-quarter to one-half cartridge).
TEST 2026 FINAL REVIEW PACK COMPLETE
QUESTION SET AND CORE CONCEPT
SUMMARY
◉ Case 1:
Which clinical characteristic indicates the presence of subgingival
calculus?
A. Presence of supragingival calculus.
B. Presence of diastemas.
C. Bluish-red marginal gingiva.
D. Attachment loss. Answer: C. Bluish-red marginal gingiva.
◉ Case 1:
Radiographically, what is the radiopaque structure posterior to tooth
#31?
A. Internal oblique ridge.
B. Mandibular canal.
C. External oblique ridge.
D. Retromolar pad. Answer: A. Internal oblique ridge.
,◉ Case 1:
Which explains the distobuccal probing depths on tooth #13?
A. Keratinized tissue associated with tobacco use.
B. Presence of radicular calculus.
C. Gingival enlargement.
D. Periodontal health. Answer: B. Presence of radicular calculus.
◉ Case 1:
The patient is scheduled to have tooth #14 extracted. Which
prophylactic oral antibiotic drug regimen should be prescribed for
this procedure?
A. Cephalexin 2 grams one hour prior.
B. Cephalexin 2 grams one hour before and after.
C. Amoxicillin 2000 milligrams one hour before and after.
D. Amoxicillin 2000 milligrams one hour prior. Answer: D.
Amoxicillin 2000 milligrams one hour prior.
◉ Case 1:
If necessary, which nonopioid analgesic can be recommended for the
patient to take after the extraction?
A. Ibuprofen.
B. Acetaminophen.
C. Naproxen.
,D. Aspirin. Answer: B. Acetaminophen.
◉ Case 1:
The dental hygienist plans to debride the patienT's dentition using a
magnetostrictive ultrasonic scaler. Which motion and sides are
active with the scaler tip?
A. Elliptical with lateral sides.
B. Linear with all sides.
C. Linear with lateral sides.
D. Elliptical with all sides. Answer: D. Elliptical with all sides.
◉ Case 1:
The palate appears keratotic with interspersed red spots. What does
this clinical appearance most likely represent?
A. Nicotine stomatitis.
B. Hand, foot and mouth disease.
C. Materia alba.
D. Recurrent aphthous ulcers. Answer: A. Nicotine stomatitis.
◉ Case 1:
The carious lesion on tooth #14 has penetrated each of the following
tooth structures EXCEPT one. Which one is the EXCEPTION?
A. Dentin.
, B. Pulp.
C. Enamel.
D. Cementum. Answer: B. Pulp.
◉ Case 1:
Which agent was tooth #30 most likely treated with before the
restoration was placed?
A. Varnish.
B. Base.
C. Liner.
D. Sealer. Answer: B. Base.
◉ Case 1:
The patient experiences acute pain during the periodontal
debridement of #12, necessitating supraperiosteal anesthesia.
Which volume of anesthetic solution, in millimeters, should be
administered?
A. 0.9 to 1.2 (one-half to two-thirds cartridge).
B. 1.2 to 1.5 (two-thirds to three-quarters cartridge).
C. 0.2 to 0.4 (one-eighth to one-quarter cartridge).
D. 0.4 to 0.9 (one-quarter to one-half cartridge). Answer: D. 0.4 to 0.9
(one-quarter to one-half cartridge).
