Using eggshells to make yellow teeth “pearl white in 5 minutes” is a myth.
There is no scientific evidence that crushed eggshells can whiten teeth instantly — or at all.
Here’s the truth:
✅ What Eggshells Can Do
- Eggshells contain calcium carbonate, which is similar to the mild abrasive found in some toothpastes.
- When finely powdered, they can help polish teeth gently — but not whiten them dramatically.
❌ What Eggshells Cannot Do
- They cannot remove deep stains.
- They cannot change tooth color in 5 minutes.
- They **cannot replace professional whitening or fluoride toothpaste.
⚠️ Risks of Using Eggshells
- If not sterilized, eggshells may contain bacteria like Salmonella.
- If the powder is too coarse, it can scratch enamel, making teeth more sensitive.
- Overuse of abrasives can lead to enamel erosion, which makes teeth more yellow long-term.
✔️ Safe Ways to Improve Teeth Whitening
Here are methods that actually work:
1. Regular Brushing + Fluoride Toothpaste
Helps remove surface stains and strengthen enamel.
2. Whitening Toothpaste
Contains mild abrasives and hydrogen peroxide for gradual whitening.
3. Baking Soda (Occasionally)
Mix a pinch with water once or twice a week — NOT daily.
4. Professional Whitening
The only way to get dramatic whitening quickly.
If You Still Want to Use Eggshell Powder
Here’s the safe method (just for remineralizing, not whitening):
- Wash shells thoroughly.
- Boil for 10 minutes to kill bacteria.
- Dry completely.
- Grind into very fine powder.
- Mix ½ teaspoon into your toothpaste occasionally.
Again, this will not whiten teeth but may help with enamel minerals.
