If tooth enamel is eroded by bacteria ᵃⁿᵈ ⁿᵒᵗ ʳᵉᵖᵃⁱʳᵉᵈ ⁱⁿ ᵗⁱᵐᵉ⸴ ⁱᵗ ʷⁱˡˡ ᵒⁿˡʸ ᵍᵉᵗ ʷᵒʳˢᵉ ᵃ