Professional vs. at-home whitening: the facts, the myths, and what actually works.
Teeth whitening is the most requested cosmetic dental procedure, but there's a lot of confusion about what works, what's safe, and what's worth the investment.
Let me break down the options so you can make an informed decision.
**Professional in-office whitening** uses higher-concentration peroxide gels activated by light. Results: 3-8 shades brighter in one session. Cost: $300-600. Lasts: 1-3 years with maintenance.
**Custom take-home trays** (from your dentist) use lower-concentration gels worn for 30-60 minutes daily. Results: 2-4 shades over 2 weeks. Cost: $200-400. Great for maintenance.
**Over-the-counter strips** use the lowest concentration. Results: 1-2 shades over 2-4 weeks. Cost: $20-50. Less predictable results.
**What doesn't work:**
- Charcoal toothpaste (abrasive and can damage enamel)
- UV whitening kits (can burn gums)
- Baking soda alone (too abrasive for regular use)
**Who should avoid whitening:**
- Pregnant or breastfeeding women
- People with untreated cavities or gum disease
- Those with very sensitive teeth (talk to your dentist first)
