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Restorative & Materials · single question

Approximate pH of most carbonated sodas?

  1. 4.5 (acidic)
  2. 6.5 (slightly acidic)
  3. 7.0 (neutral)
  4. 8.0 (alkaline)
Show answer and explanation

Correct answer: A. 4.5 (acidic)

Most sodas: pH ~2.5-4.5. Critical pH for enamel dissolution = ~5.5. Critical pH for dentin = ~6.5. Slow sipping of acidic beverages causes significant erosion.

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