Culture Apothecary with Alex Clark The Real Cause of Cavities Isn’t Sugar, You Won't Believe What Is | Dr. Staci Whitman, DMD
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Mar 13, 2026 
Dr. Staci Whitman, a board-certified pediatric dentist and functional medicine practitioner focused on the oral microbiome and airway health. She explores how the mouth links to whole-body health. Topics include toothbrush hygiene myths, cavities caused by acidity and ultra-processed carbs, fluoride nuances, mouth breathing and airway timing, and practical oral-care dos and don’ts.
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Acidic Mouth Environment Drives Cavities
- Cavities are driven by chronic acidity from ultra-processed fermentable carbohydrates, not just sugar or poor brushing.
- Constant snacking/sipping prevents saliva from remineralizing teeth, keeping mouth pH low for 30–120 minutes after eating.
Rinse Then Wait After Vomiting
- After vomiting or reflux, rinse with water (or baking soda/sea salt) and wait 20–30 minutes before brushing.
- Brushing immediately wears weakened enamel; simple baking soda rinses neutralize acid affordably.
Try Remineralization And Test For Candida
- For early cavities consider guided remineralization protocols (cell salts, iodine, hydroxyapatite, nutrition) before drilling.
- Test for candida/gut/oral dysbiosis when children keep getting cavities despite hygiene.
