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Hygiene and Sanitation · Formula · Book recipe 9.2

Baking soda for teeth and gums

Baking soda's mild alkalinity neutralizes the acids that mouth bacteria produce and soothes inflamed tissue, making it a workable stand-in for both toothpaste and mouthwash.

Member articleHandle with careWorks without power

How it works

Mix paste
Brush gently
Or rinse
Fresh & soothed

Inside this article

What you'll need
Steps
Warnings
Storage and shelf life

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  • The method at a glance: mix paste, then brush gently, then or rinse, then fresh & soothed
  • The exact numbers: toothpaste, rinse, pressure, frequency, do not
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Prefer paper? This is Recipe 9.2, page 42, in Prepper's Chemical Survival Guide.

Questions this answers

Tap a question for the short answer.

Can I brush my teeth with baking soda?

Yes. Baking soda is a very low-abrasion cleaner that lifts plaque without harming enamel, and its mild alkalinity neutralizes mouth acids. It has no fluoride, so it cleans but does not protect against cavities.

Members get the exact amounts and every step.

How do I clean my teeth without toothpaste?

Baking soda mixed with a little water makes a workable stand-in for toothpaste. Its mild alkalinity neutralizes the acids mouth bacteria produce, and it cleans plaque gently when used with a soft brush and light pressure.

Members get the exact amounts and every step.

What's the recipe for a baking soda mouth rinse?

The rinse is baking soda and a pinch of salt dissolved in warm water, swished and spit out, never swallowed. It neutralizes acids and soothes irritated tissue, and should be mixed fresh each time.

Members get the exact amounts and every step.

How do I soothe a canker sore with baking soda?

A warm baking soda and salt rinse neutralizes acids and calms inflamed tissue around the sore. Swish and spit rather than swallow, and avoid acidic foods and drinks while it heals.

Members get the exact amounts and every step.

Keep going

Read nextHygiene and Sanitation When the Water Is OffWhat to do when the water goes off: bucket toilet, hand washing, waste, body, teeth, laundry, dishes, disinfecting, and pests, with the shelf item and recipe page for every job.Hygiene and Sanitation · Guide

Related to this

Hygiene and Sanitation · Formula Homemade squeezable toothpaste (bentonite clay and baking soda) A squeezable toothpaste recipe using bentonite clay, calcium carbonate, baking soda, arrowroot and glycerin, with essential oil options. Medical · Guide Baking soda for body care (pH, muscles, teeth, odor) Antacid use: 1/4 teaspoon of baking soda dissolved in 8 ounces of water, short term only Compounds and Cleaning · Compound Baking Soda Shelf life: Indefinite. Storage: Sealed HDPE or glass. INDEFINITEMULTI-USE Compounds and Cleaning · Formula Oral Debriding Rinse for Sore Gums and Mouth Ulcers Diluted peroxide is what the FDA calls an oral debriding agent: it cleans. The foam lifts debris and dead tissue off a sore or an inflamed gum margin so the mouth can heal itself. It is not an antibiotic, and it does not cure a mouth infection. Handle with care
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Hygiene and Sanitation · FormulaSource: Prepper's Chemical Survival Guide, Recipe 9.2, p. 42 · Last reviewed 2026-09-18

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