In vivo pilot study on toothbrush filament end-rounding and surface integrity using 360° microscopy
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This pilot study investigates the morphological changes and end-rounding quality of polyamide 6.12 (PA 6.12) toothbrush filaments over six months of regular use. Ten adult participants (N=10) used standardized manual toothbrushes twice a day, and filament tips... ...
