Chapter 5.1: Physicochemical Interactions between Enamel and Oral Fluids.
Level 5 - mechanism / opinion, no new human data
Narrative review / mechanism-based overview with no new empirical human data
PubMed 37364552 · doi:10.1159/000530559
What was done
This book chapter provides a narrative, mechanism-based overview of the physicochemical interactions occurring between dental enamel, saliva, and biofilm fluids during caries development and prevention. No primary experimental trials or systematic review protocols are described in the abstract.
What was found
No quantitative empirical metrics or statistical comparisons are reported in the abstract. The review describes the physicochemical equilibrium governing enamel demineralization and remineralization via Le Chatelier's principle: saliva and biofilm fluids are supersaturated with calcium and phosphate relative to enamel mineral solubility, while acid production causes undersaturation, and free fluoride at micromolar concentrations mitigates acid-driven mineral loss.
Why it matters
It reinforces modern cariology concepts showing that fluoride primarily protects teeth via dynamic chemical interactions at the mineral surface rather than systemic pre-eruptive incorporation into tooth structure.
Limits
The abstract provides conceptual and mechanistic descriptions without reporting original data, sample sizes, systematic study selection methods, or quantitative clinical effect estimates.
Cited by
- supports Saliva is naturally supersaturated with the minerals needed to repair and remineralize teeth.