This is the best way to whiten your teeth at home, according to dentists
"When it comes to over-the-counter teeth-whitening products, the most effective options typically contain peroxide-based bleaching agents such as hydrogen peroxide or carbamide peroxide. These ingredients are able to penetrate the tooth enamel to remove stains and discoloration," says New York City cosmetic dentist Dr. Mike Wei. "At-home teeth whitening kits are generally recommended for individuals with mild to moderate teeth staining or discoloration. Good candidates for at-home teeth whitening typically have healthy teeth and gums without any underlying dental issues that may require professional intervention."
Wei explains that the options for at-home teeth brightening are myriad — including whitening toothpastes, strips, trays and pens — and the best one for you really depends on your lifestyle and preferences (toothpastes and strips take less time and, often, money; whereas trays and pens can be more potent and effective). "There are a very wide variety of products and brands available with varying concentrations of bleaching agents," explains Dr. Erin Fraundorf, orthodontist and founder of Boca Orthodontic + Whitening Studio. However, Fraundorf warns not all over-the-counter (OTC) whiteners are created equal: "Unlike the whitening products utilized by a dentist, OTC products have a much lower concentration of active whitening ingredient. This means that it will take significantly longer for your teeth to whiten and they may have minimal or decreased efficacy against deep stains."
Adds Wei, "Ultimately, the effectiveness of an over-the-counter teeth whitener varies depending on individual factors such as the severity of staining, compliance with product instructions, and personal oral hygiene habits."
Last, if you experience any pain, sensitivity, or other issues while using an at-home whitening product, stop and consult a dentist.
When selecting an at-home whitening product, both Wei and Fraundorf shared a number of the key factors to consider, including:
Active Ingredients: Look for products containing proven whitening agents like hydrogen peroxide or carbamide peroxide. These are responsible for the chemical reaction that breaks down stains.
Concentration: Always check out the concentration of the active ingredient. Lower concentrations are gentler on teeth and have longer wear time (ie: overnight), while higher concentrations work faster (ie: 30 minute wear time).
ADA Seal of Acceptance: Look for products approved by the American Dental Association (ADA). This ensures they meet safety and efficacy standards.
Method of use: There are a variety of options. Choose a style that fits your lifestyle, whether it's strips, trays or pens.
Sensitivity considerations: If you have sensitive teeth, opt for products designed specifically for sensitive users or those that include desensitizing agents like potassium nitrate.
Reputable brand: Stick with trusted brands that are known for quality dental care products.
Experts also emphasize that it's always best to consult your dentist first for personalized recommendations. They can help you choose the right product and ensure you don't accidentally cause damage to your teeth or gums.
"Consistency is key when it comes to achieving the best results with teeth whitening," says Fraundorf. Here are her additional tips to enhance your whitening efforts:
Follow instructions: Whether using strips, trays, or gels, make sure to follow the product's instructions exactly to avoid overuse, which can lead to significant sensitivity or damage.
Brush before whitening: Clean teeth before applying whitening products to remove plaque and ensure better contact with the enamel.
Avoid staining food & drinks: After whitening, try to avoid coffee, tea, red wine, and dark-colored foods (like berries, ketchup, turmeric) for at least 24 hours to prevent new stains from forming.
Use a desensitizing toothpaste: Toothpastes designed for sensitive teeth can help reduce the discomfort caused by whitening agents.
Protect your gums: Use caution and be conservative with whitening products; avoid using excess amounts that will seep over to your gums, causing irritation.
Maintain good oral hygiene: Brush your teeth at least twice a day and floss daily to prevent staining and keep your teeth clean.
Touch up regularly: Periodically use whitening products to maintain results. But don't overdo it; excessive use of these products can damage your enamel.
Realistic expectations: "Understand that at-home whitening products may not produce the same dramatic results as professional whitening treatments. Manage your expectations and be patient with the whitening process," says Wei. Also important, says Fraundorf: "Patients with any restorative work must be aware that any artificial tooth structure (i.e., crowns, veneers, composite) will not whiten. Plus, any spots on the enamel or intrinsic deep stains [i.e., from medications] will not go away with teeth whitening."
Mostly, yes! However: "Various oral conditions will lend to some patients being less ideal candidates for at-home whitening [via over the counter and professional-grade-strength products]," says Fraundorf. "These include gingival (gum tissue) recession, wear facets (from teeth grinding), chips or cracks in the teeth, plural necrosis (tooth with a dead nerve), deep medication-caused staining, periodontal disease or a history of sensitivity." Additionally, she says, patients who are pregnant, under the age of 12 or have untreated dental issues (i.e., cavities that have not been restored) should avoid any sort of teeth whitening.
In terms of general safety, keep in mind that the sole current formal certification of teeth-whitening products is the American Dental Association's Seal of Acceptance. While some products carry this seal, not all do. "Some products without [the seal] are still fine to use, but there is no way for the general consumer to know how to decipher safety and efficacy of a product," says Fraundorf. When in doubt, experts say, choose products carrying the ADA seal.
To safely whiten your teeth at home, follow product instructions and use professional-grade, ADA-approved products. Avoid overuse, brush gently with a soft-bristled toothbrush, maintain good oral hygiene and take breaks between treatments.
Above all, always get personalized advice from your dentist. "You only get one set of permanent teeth, so it's important to take good care of them!" Fraundorf says.
Echoes Wei: "Before starting any at-home whitening regimen, it's a good idea to consult with your dentist. They can assess your oral health and recommend the best whitening product for your specific needs."
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