MI Dentistry Philosophy — NDEB AFK MCQ
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Correct answer: E — Focusing on prevention, early detection, remineralisation of early lesions, and conservative restoration when intervention is necessary — preserving maximum tooth structure
Minimal intervention (MI) dentistry is a contemporary philosophy that shifts from the traditional surgical model (drill and fill) to a preventive, biological approach. Key principles: (1) early caries detection using modern diagnostic methods; (2) remineralisation of non-cavitated (early) lesions with fluoride, CPP-ACP, and biofilm management; (3) selective/stepwise caries removal in cavitated lesions (preserving remineralisable dentin); (4) adhesive restorations (bonded composites, GIC) instead of mechanically retentive preparations; (5) repair of defective restorations rather than complete replacement when possible.
Reference: Heymann – Sturdevant's Art and Science of Operative Dentistry, 7th ed., 2019