
The Shocking Truth: Your Whitening Toothpaste Is Making Your Teeth Yellower
Why Toothpaste Alone Can’t Reverse Intrinsic Discoloration Direct Answer: Whitening toothpaste relies on hydrated silica and mechanical abrasion to lift extrinsic debris, yet it lacks the molecular permeability to oxidize pigment molecules trapped inside dentin tubules beneath the enamel layer. Only carbamide peroxide or hydrogen peroxide gel can diffuse through




