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  1. Which of the following is true about enamel?
  1. How is the biological hydroxyapatite of tooth enamel different than pure hydroxyapatite?
  1. What differentiates dentine from enamel?
  1. What acid is Streptococcus mutans capable of metabolising, and in the process, further promoting demineralisation?
  1. Which factors affect the rate at which acid is produced in plaque?
  1. What prevents hydroxyapatite from continuously growing out of control?
  1. What is the effect of sucrose on interdental plaque ion stores?
  1. At what pH does tooth enamel begin to demineralise?
  1. What is the clinical appearance of the initial stage of a carious lesion?
  1. How does Veillonella bacteria affect the process of demineralisation/remineralisation?
  1. Which of the following is true about the remineralisation of a carious lesion?
  1. What is Ostwald ripening?
  1. What is the initial clinical appearance of a remineralised carious lesion?
  1. Which of the following is a remineralisation-promoting characteristic of saliva?
  1. Which of the following is true about fluorapatite?
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