Indirect Pulp Cap Indication — NDEB AFK MCQ
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Correct answer: A — Deep caries approaching but not exposing the pulp in a tooth with a vital asymptomatic pulp
Indirect pulp capping (stepwise excavation or selective caries removal) is indicated when deep caries approaches but does not expose the pulp in a tooth with a vital, asymptomatic pulp (no spontaneous pain, normal response to vitality testing). The deepest layer of affected (demineralised but not infected) dentin is left in place to avoid mechanical pulp exposure. A biocompatible liner (calcium hydroxide, RMGIC, or biodentine) is placed over the remaining thin dentin layer, followed by a definitive restoration. This promotes tertiary dentin formation and maintains pulp vitality.
Reference: Heymann – Sturdevant's Art and Science of Operative Dentistry, 7th ed., 2019