17/04/2026
Dental whitening (also called teeth whitening or bleaching) is a cosmetic dental treatment that lightens the color of your teeth and removes stains.
🦷 What It Does
Removes stains from coffee, tea, wine, smoking, and aging
Lightens the natural tooth color (usually 2–8 shades brighter)
Improves overall smile appearance
✨ Types of Dental Whitening
In-Office Whitening (Professional)
Done by a dentist
Takes about 60–90 minutes
Uses stronger whitening agents
Immediate, more dramatic results
Take-Home Kits from Dentist
Custom trays + professional gel
Used daily for 1–2 weeks
Slower but effective
Over-the-Counter Products
Whitening strips
Whitening toothpaste
Whitening pens
Less powerful, gradual results
🔬 How It Works
Most whitening products contain hydrogen peroxide or carbamide peroxide.
These break down stains into smaller particles, making teeth appear whiter.
⚠️ Possible Side Effects
Temporary tooth sensitivity
Gum irritation (usually mild and short-term)
Not effective on crowns, veneers, or fillings
⏳ How Long Does It Last?
Typically 6 months to 3 years