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Why Sandpaper on Teeth Is Dangerous
Never use sandpaper on teeth. It causes irreversible damage.
Harms
- Enamel Abrasion: Sandpaper grit (typically 60–400) is far coarser than toothpaste (RDA 30–200). Strips enamel permanently.
- Dentin Exposure: Leads to severe hypersensitivity, yellowing (dentin shows through).
- Gingival Trauma: Cuts, lacerations, recession.
- Particle Embedding: Abrasive particles lodge in gingival sulcus → inflammation, abscess.
- Occlusal Changes: Alters bite, causes TMJ strain.
Safe Alternatives
- ADA-accepted whitening toothpaste (mild abrasives + peroxide).
- Professional cleaning (prophylaxis).
- Dentist-supervised whitening (peroxide gels).
- Veneers/bonding for intrinsic discoloration.
Enamel does not regenerate. Protect it.
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