Other Research Study ✓ Peer reviewed

Impact of common cleaning protocols on the surface integrity and nanoscale topography of PET-G clear aligners: an AFM and profilometric study.

BMC oral health · Yeretsian AZ, Burhan AS, Hajeer MY, Alghoraibi I, Nawaya FR · 2026-07-29

Researchers tested how four common cleaning methods affected PET-G clear aligner surfaces over 14 days, finding that chemical cleaners produced smoother nanoscale surfaces while toothbrushing caused microscopic scratching.

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