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abrasion
editneeds section on abrasion. some search terms I encountered when reading up on abrasion: Pellicle Cleaning Ratio (PCR) and Relative Dentin Abrasivity (RDA). Also possibly relevant: Cleaning Efficiency Index (CEI). CEI = (RDA + PCR – 50) ÷ RDA. 173.222.1.185 (talk) 21:38, 14 May 2024 (UTC)