MCQ Collection
NRE Dental Step I MCQs
Practice NRE Dental Step I questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: C. Indirect pulp treatment
Explanation:
Indirect pulp treatment is selective removal of carious dentine near the pulp followed by sealing to preserve vitality.
Choose an option to check your answer.
Correct Answer: A. Smear layer
Explanation:
Smear layer is a thin debris layer created on dentine during instrumentation.
Choose an option to check your answer.
Correct Answer: C. Dental caries
Explanation:
Dental caries is a biofilm-mediated disease causing net mineral loss from dental hard tissues.
Choose an option to check your answer.
Correct Answer: C. Pulpitis
Explanation:
Pulpitis is inflammation of the dental pulp.
Choose an option to check your answer.
Correct Answer: D. Pit and fissure sealant
Explanation:
Pit and fissure sealant is a preventive resin material placed in susceptible occlusal grooves.
Choose an option to check your answer.
Correct Answer: D. Pulpotomy
Explanation:
Pulpotomy is removal of coronal pulp while preserving healthy radicular pulp tissue.
Choose an option to check your answer.
Correct Answer: D. Stainless-steel crown
Explanation:
Stainless-steel crown is a preformed full-coverage restoration commonly used for extensively damaged primary molars.
Choose an option to check your answer.
Correct Answer: D. Indirect pulp treatment
Explanation:
Indirect pulp treatment is selective removal of carious dentine near the pulp followed by sealing to preserve vitality.
Choose an option to check your answer.
Correct Answer: D. Pulpitis
Explanation:
Pulpitis is inflammation of the dental pulp.
Choose an option to check your answer.
Correct Answer: D. Reversible pulpitis
Explanation:
Reversible pulpitis is pulpal inflammation expected to resolve after removal of the irritant.
Choose an option to check your answer.
Correct Answer: C. Irreversible pulpitis
Explanation:
Irreversible pulpitis is pulpal inflammation unlikely to heal without endodontic treatment or extraction.
Choose an option to check your answer.
Correct Answer: A. Rubber dam
Explanation:
Rubber dam is an isolation system that improves moisture control and patient safety during dental procedures.