HESI DENTAL HYGIENE CASE BASED PRACTICE
TEST 2026 STUDY GUIDE COMPLETE ORAL
HEALTH ASSESSMENT AND PRACTICE
QUESTIONS
◉ 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.
TEST 2026 STUDY GUIDE COMPLETE ORAL
HEALTH ASSESSMENT AND PRACTICE
QUESTIONS
◉ 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.
