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INBDE Integrated National Board Dental Exam Prep

Category - INBDE

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In what stage of caries does the decay in dentin pass the halfway mark from the enamel (dentino-enamel junction) to the pulp.

Stage 1
Stage 2
Stage 3
Stage 4

Explanation

Answer: D - In stage 4 (grade 4) of caries, the decay in dentin has already passed the halfway mark from the enamel to the pulp. In chronic cases, the decay might spread until it reaches the pulp.

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