How to Whiten Your Teeth: The Best Options for a Brighter Smile
Without a doubt, one of the most common questions we get asked at Northbridge Dentists, is “how can I get my teeth whiter?” A bright, white smile can boost your confidence and make a great first impression. Whether your teeth are stained from coffee, wine, smoking, or just the natural aging process, there are plenty of ways to achieve a whiter smile. But first, it’s worth briefly understanding how teeth whitening treatments work.
How does teeth whitening work?
By far, the most effective teeth whitening ingredient is a chemical called peroxide. The most common forms of peroxide are hydrogen peroxide and carbamide peroxide.
In Australia, higher concentrations of peroxide (above 6% hydrogen peroxide) are considered a “restricted substance” and can only be prescribed or administered by a licensed dentist. This means that legally, over the counter products like HiSmile, toothpastes, mouth-rinses and whitening strips, will have lower quantities of this ingredient.
With this in mind, here are some of the best options to whiten your teeth, from over-the-counter options, through to professional treatments.
1. Over-the-Counter Whitening Products
For those looking for a more affordable option, there are many over-the-counter whitening products available.
Whitening Strips: These adhesive strips (like Oral B 3D luxe whitening strips) are coated with a peroxide-based gel (usually 5-6% to 10% hydrogen peroxide) and worn for about 30 minutes daily for a few weeks.
Whitening Toothpaste: While these toothpastes (like Colgate Optic White) contain mild abrasives and some bleaching agents (typically around 1-2% hydrogen peroxide), they are best for maintaining whiteness rather than dramatic whitening.
Whitening Mouthwashes: These help lighten stains over time but are generally less effective than strips or trays. Most contain a low concentration of hydrogen peroxide, usually around 1% to 2%.
2. Professional Teeth Whitening
If you're looking for fast and noticeable results, professional teeth whitening is the most effective option.
In-Office Whitening: A dentist uses a high-concentration bleaching agent, often activated by a special light or laser, to brighten teeth several shades in just one session. The hydrogen peroxide concentration used in these treatments typically ranges from 35% to 40%.
Take-Home Whitening Kits: Your dentist may provide custom trays and a professional-strength whitening gel to use at home over a period of days or weeks. These gels usually contain 9-15% hydrogen peroxide or carbamide peroxide, which gradually breaks down to release hydrogen peroxide.
Cosmetic treatments: Composite resin bonding, veneers and crowns are treatments which can give the appearance of whiter teeth. These treatments are best reserved for staining defects caused by formation problems (such as tetracycline staining or fluorosis) or heavily restored teeth.
3. Lifestyle Changes for Maintaining White Teeth
Prevention is just as important as whitening. To keep your teeth looking bright:
Limit Staining Foods and Drinks: Coffee, tea, red wine, and dark sodas can stain teeth over time.
Quit Smoking: Tobacco is a major culprit for yellowed teeth.
Practice Good Oral Hygiene: Brushing twice a day, flossing, and using mouthwash can help prevent staining and plaque buildup.
Regular Dental Cleanings: Professional cleanings remove surface stains and tartar buildup, keeping your teeth looking their best.
Final Thoughts
There are plenty of options for whitening your teeth, whether you opt for professional treatment, over-the-counter products, or lifestyle changes. The best method depends on your budget, time, and sensitivity level. Keep in mind that teeth whitening does carry some side-effects ranging from sensitivity through to rare side-effects such as resorption defects. Always consult with your dentist before starting any whitening treatment to ensure it’s safe for your teeth. With the right approach, you can enjoy a brighter, more confident smile!
