predictable results.
A dentist can also check for:
- Cavities
- Gum disease
- Cracked teeth
- Exposed roots
- Existing sensitivity
before treatment.
That matters because whitening can worsen discomfort if underlying dental problems are present.
Why “2-Minute Whitening” Claims Are Misleading
Real tooth whitening is usually not instantaneous.
A homemade mixture may temporarily remove:
- Plaque
- Food residue
- Surface stains
which can make teeth appear cleaner.
But changing the actual color of teeth generally takes repeated exposure to a whitening agent over time.
Dramatic before-and-after images online may also involve:
- Different lighting
- Photo editing