QUESTIONS WITH 100% VERIFIED ANSWERS
(GRADED A+ | UPDATED TO THE LATEST CLINICAL
STANDARDS)
DESCRIPTION (800 characters):
This comprehensive 2026 Edition ADEX CSCE OSCE Exam guide features 200 meticulously
verified questions reflecting the most current clinical standards for dental hygiene licensure.
Each question mirrors actual OSCE-style assessments with detailed rationales and correct
answers clearly highlighted for efficient study. Covering all critical domains including patient
assessment, pharmacology, radiography, periodontics, medical emergencies, ethical practices,
and treatment planning, this resource ensures thorough preparation. Updated to the 2026 exam
version, candidates gain confidence through realistic scenarios and evidence-based content.
Perfect for self-assessment, group study, or final review, this collection transforms complex
exam material into accessible, memorable learning. Achieve success with the most reliable, up-
to-date preparation tool available for the ADEX CSCE OSCE Exam.
1. (Multiple-Choice) A patient presents with a white patch on the buccal mucosa
that does not wipe off. What is the most likely diagnosis?
A) Candidiasis
B) Leukoplakia
C) Lichen planus
D) Aphthous ulcer
Correct Answer: B) Leukoplakia
Rationale: Leukoplakia is a white patch that cannot be wiped off and requires
further evaluation for malignancy.
2. (Multiple-Choice) A radiograph shows a radiopaque lesion at the apex of tooth
#8. What is the most likely cause?
A) Caries
B) Periapical pathology
C) Enamel hypoplasia
D) Dentinogenesis imperfecta
Correct Answer: B) Periapical pathology
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,Rationale: A radiopaque lesion at the apex suggests periapical pathology, such as
a granuloma or cyst.
3. (Multiple-Choice) A patient with a history of hypertension is prescribed a beta-
blocker. Which oral side effect should be monitored?
A) Gingival hyperplasia
B) Xerostomia
C) Tooth discoloration
D) Oral candidiasis
Correct Answer: B) Xerostomia
Rationale: Beta-blockers can cause dry mouth, increasing caries risk.
4. (Fill-in-the-Blank) A patient’s blood pressure is 160/100 mmHg. What is the
dental hygiene management recommendation?
Answer: Refer to a physician before treatment
Rationale: This reading indicates Stage 2 hypertension; elective dental treatment
should be deferred until medical clearance is obtained.
5. (Multiple-Choice) Which oral manifestation is most commonly associated with
HIV infection?
A) Hairy leukoplakia
B) Lichen planus
C) Geographic tongue
D) Fordyce granules
Correct Answer: A) Hairy leukoplakia
Rationale: Hairy leukoplakia, caused by Epstein-Barr virus, is a frequent oral
finding in immunocompromised patients.
6. (Multiple-Choice) A patient has a history of osteoporosis and takes
alendronate. What is the primary concern for dental hygiene treatment?
A) Increased bleeding
B) Osteonecrosis of the jaw
C) Xerostomia
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,D) Delayed wound healing
Correct Answer: B) Osteonecrosis of the jaw
Rationale: Bisphosphonates like alendronate are associated with medication-
related osteonecrosis of the jaw, especially after invasive procedures.
7. (Multiple-Choice) What is the normal range for random blood glucose in a non-
diabetic adult?
A) 70-100 mg/dL
B) 100-140 mg/dL
C) 140-180 mg/dL
D) 180-220 mg/dL
Correct Answer: A) 70-100 mg/dL
Rationale: Normal fasting blood glucose is 70-100 mg/dL; random levels should be
below 140 mg/dL.
8. (Multiple-Choice) Which type of dental radiograph is best for detecting
interproximal caries?
A) Panoramic
B) Periapical
C) Bitewing
D) Occlusal
Correct Answer: C) Bitewing
Rationale: Bitewing radiographs are specifically designed to visualize
interproximal surfaces and detect early caries.
9. (Multiple-Choice) A patient presents with severe, spontaneous gingival
bleeding and petechiae. Which systemic condition should be suspected?
A) Hemophilia
B) Thrombocytopenia
C) Von Willebrand disease
D) Leukemia
Correct Answer: B) Thrombocytopenia
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, Rationale: Low platelet count leads to bleeding gums and petechiae; further
evaluation is needed.
10. (Multiple-Choice) The most common location for an oral squamous cell
carcinoma is:
A) Buccal mucosa
B) Floor of the mouth
C) Lateral border of the tongue
D) Hard palate
Correct Answer: C) Lateral border of the tongue
Rationale: The lateral tongue is the most frequent site for oral squamous cell
carcinoma.
11. (Multiple-Choice) Which local anesthetic is contraindicated in patients with a
history of methemoglobinemia?
A) Lidocaine
B) Prilocaine
C) Mepivacaine
D) Bupivacaine
Correct Answer: B) Prilocaine
Rationale: Prilocaine can induce methemoglobinemia in susceptible individuals.
12. (Multiple-Choice) A patient reports a burning sensation in the mouth with a
normal clinical appearance. The most likely diagnosis is:
A) Erythema migrans
B) Burning mouth syndrome
C) Oral lichen planus
D) Candidiasis
Correct Answer: B) Burning mouth syndrome
Rationale: Burning mouth syndrome is characterized by oral burning without
visible mucosal lesions.
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