A brighter smile is one of the most requested cosmetic dental treatments — and for good reason. Whiter teeth are associated with youth, health, and confidence. But with so many whitening options available, how do you know which one is right for you?
How Teeth Whitening Works
All teeth whitening treatments — whether professional or over-the-counter — use peroxide-based bleaching agents (hydrogen peroxide or carbamide peroxide) to break down stain molecules in the enamel and dentin. The key differences between products are the concentration of peroxide, the delivery method, and the contact time.
Professional In-Office Whitening
Professional whitening performed at Churchville Dental Care uses a high-concentration peroxide gel (typically 25–40%) activated with a special light or laser. In a single 60–90 minute appointment, you can achieve results 6–10 shades lighter. Professional whitening is the fastest, most dramatic, and longest-lasting option available.
Take-Home Professional Whitening Trays
Your dentist can also provide custom-fitted whitening trays with professional-strength gel (10–22% carbamide peroxide) for use at home. Custom trays ensure even coverage and minimize gum irritation. Results are comparable to in-office whitening but take 1–2 weeks of daily use.
Over-the-Counter Whitening Strips
Whitening strips (like Crest 3D Whitestrips) use lower concentrations of peroxide (6–10%) and can lighten teeth 2–4 shades over 2–4 weeks. They are affordable and convenient but less effective than professional options, and one-size-fits-all strips may cause uneven results or gum irritation.
Who Is a Good Candidate for Whitening?
Teeth whitening works best on yellow or brown stains caused by food, drinks (coffee, tea, wine), and tobacco. It is less effective on gray stains caused by tetracycline antibiotics or fluorosis. Whitening does not change the color of crowns, veneers, or fillings. A consultation at Churchville Dental Care will help determine if whitening is right for you.
Frequently Asked Questions
How long does professional teeth whitening last?
Professional whitening results typically last 1–3 years with good oral hygiene and touch-up treatments. Avoiding staining foods and drinks helps maintain results longer.
Does teeth whitening damage enamel?
When used as directed, professional whitening is safe and does not damage enamel. Overuse of whitening products can cause temporary sensitivity.
How much does professional teeth whitening cost?
In-office professional whitening at Churchville Dental Care typically costs $300–$600. Take-home trays cost $200–$400. These prices are significantly more effective per dollar than repeated OTC product purchases.
Can I whiten my teeth if I have sensitive teeth?
Yes, with modifications. We can use lower-concentration gels, shorter treatment times, and desensitizing agents to make whitening comfortable for sensitive patients.