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Waking up with a sour taste or wincing at iced water?
Your teeth may be silently suffering from night-time acid reflux (GERD).
Nearly 1 in 3 GERD patients show visible enamel erosion—often before they even notice heartburn.
Turns out that the fix isn’t a $200 sonic toothbrush; it’s what happens between 10 p.m. and 7 a.m.
The 5 Worst Offenders & Steps To Reverse Them ASAP
Enamel Acid Bath (Nocturnal Reflux)
Enamel Erosion = Cavity Factory
Sensitivity That Zings
Fifty Shades of Yellow
Dry Mouth & Gum Trouble
This article will go over how to identify each of these risks, and how best to mitigate them, ensuring that your acid reflux doesn't affect your dental health.
Saliva production slows, so there’s no lifeguard to shoo the acid away. By morning, your once-glossy enamel can look dull, chalky, or see-through—the dental version of a sun-bleached beach towel.
Not sure if your reflux is oral-damage-level bad?
Take Claisen’s 30-second quiz—because the only thing worse than pillow drool is acid drool. Get a personalized Nighttime Reflux Kit faster than you can say “bicarbonate buffet.”
Quick Fix List:
Sleep with your upper body elevated 6–8 inches( wedge pillow > extra pillows)
Brush with a soft-bristled brush, light pressure, short strokes (Peep this short demo)
Time acidic drinks (kombucha, lemon water) when saliva peaks; spot-check with Claisen pH strips
5. Dry Mouth & Gum Trouble
Reflux-driven mouth breathing turns saliva levels into a desert, and saliva is your built-in acid neutralizer. This leads to gums sulking & enamel sulking even harder.
Dry mouth + acid = rapid decay
Quick Fix List:
Swap alcohol mouthwash for aloe- or xylitol-based rinses—no more desert vibes.
Run a humidifier bedside; bonus: your plants will love you.
Pop famotidine(select Claisen kits) if midnight snacks are non‑negotiable.
Print, laminate, tape to the mirror—your enamel will send a thank-you note.
Acid Damage Is Permanent—Prevention Isn’t
Once enamel taps out, restoration is costly and partial.
A few targeted habits and a Claisen Nighttime Reflux Kit personalised for you—can save thousands in dental bills + your morning vanilla latte.
Take the 30‑second quiz to build your Custom Night time Plan.
Your gut—and dentist—will approve.
Key Takeaways
Nighttime reflux silently bathes your teeth in acid, weakening enamel while you sleep. Without saliva’s natural protection, enamel becomes dull, chalky, and more prone to irreversible erosion.
Once enamel erodes, it never grows back. Reflux makes teeth up to 4x more cavity-prone—even if you brush well—because acid, not sugar, is the main culprit breaking down your tooth’s defenses.
Acid erosion exposes dentin, the nerve-filled layer under enamel. Add night grinding, and you’ve got sharp zings of pain from hot, cold, or sweet foods—turning simple meals into painful triggers
Yellowing teeth aren’t always from coffee. Acid reflux thins enamel and exposes yellow dentin, dulling your smile over time. Even without espresso, reflux can leave teeth looking faded or weak.
Reflux dries your mouth, killing saliva’s protective power. That desert-like dryness fuels both enamel erosion and gum trouble, doubling your risk of cavities, irritation, and long-term damage.
This article and its contents have been medically reviewed by Aditya Jain (MD at Harvard Medical School and Op-Ed Fellow at Doximity).