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NDEB EXAM| PRACTICE EXAM AND STUDYGUIDE
NEWEST 2025/2026 TEST BANK| COMPLETE
QUESTIONS AND 100% CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) GRADED A+
What is the most likely diagnosis of a white lesion on the retromolar pad opposing a non-functional molar?
- Alveolar ridge keratosis.
- Candidiasis.
- Lichen planus.
- Squamous cell carcinoma - Correct Answer - A. Alveolar ridge keratosis
Which of the following is the most likely cause of osteoporosis, glaucoma, hypertension and peptic ulcers in a 65 year old with Crohn's disease?
- Uncontrolled diabetes.
- Systemic corticosteroid therapy.
- Chronic renal failure.
- Prolonged NSAID therapy.
- Malabsorption syndrome. - Correct Answer - B. Systemic corticosteroid
therapy.
A hinge axis facebow records
- Bennett angle.
- centric relation. 1 / 4
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- lateral condylar inclination.
- horizontal condylar inclination.
- opening and closing axis of the mandible. - Correct Answer - E. opening
and closing axis of the mandible.
The most important objective of occlusal adjustment of a natural dentition is to
- prevent temporomandibular joint syndrome.
- increase the shearing action in mastication.
- improve oral hygiene by preventing food impaction.
- achieve a more favorable direction and distribution of forces of
occlusion. - Correct Answer - D. achieve a more favorable direction and distribution of forces of occlusion.
Which condition has NOT been associated with Candida albicans infection?
- Median rhomboid glossitis.
- Angular cheilitis.
- Denture stomatitis.
- Aphthous ulcerations.
- Oral hairy leukoplakia. - Correct Answer - D. Aphthous ulcerations.
Which of the following is essential for successful periodontal treatment?
- Scaling.
- Final evaluation and maintenance on a oneyear recall.
- Periodontal flap surgery. 2 / 4
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- Elimination of local etiologic factors. - Correct Answer - D. Elimination of
local etiologic factors.
If a complete mandibular denture causes a burning sensation in the premolar region, this is due to the denture exerting pressure in/on the
- fibres of the buccinator muscle.
- lingual branch of the mandibular division of the trigeminal nerve.
- underlying bone.
- mental branch of the inferior alveolar nerve.
- buccal frenum area. - Correct Answer - D. mental branch of the inferior
alveolar nerve.
A hinge axis facebow records
- Bennett angle.
- centric relation.
- lateral condylar inclination.
- horizontal condylar inclination.
- opening and closing axis of the mandible. - Correct Answer - E. opening
and closing axis of the mandible.
Which of the following microorganisms are most frequently found in infected root canals?
- Streptococcus viridans.
- Staphylococcus aureus.
- Lactobacilli.
- Enterococci.
- Staphylococcus albus. - Correct Answer - A. Streptococcus viridans. 3 / 4
pg. 4 The predominant type of movement produced by a finger spring on a removable appliance is
- torque.
- tipping.
- rotation.
- translation. - Correct Answer - B. tipping.
Epinephrine should be administered immediately in which of the following emergencies?
- A severe angina attack.
- A mild asthmatic attack.
- Severe anaphylaxis.
- Severe hypotension - Correct Answer - C. Severe anaphylaxis.
The location and extent of subgingival calculus is most accurately determined clinically by
- radiopaque solution used in conjunction with radiographs.
- disclosing solution.
- probing with a fine instrument.
- visual inspection - Correct Answer - C. probing with a fine instrument.
Endotoxin is
- a cell wall component of gram-negative bacteria.
- a potent inflammatory agent.
- present in diseased root cementum.
- All of the above. - Correct Answer - D. All of the above.
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