How long to leave whitening strips on

How long to leave whitening strips on

Healthline says the typical wear is about 30 minutes per session, usually twice a day for two weeks, with some products needing only one application daily for the same results. Brands differ, so read your pack: a product may specify more or less time. Healthline says tooth sensitivity and gum irritation are the main side effects, are usually mild and typically last several days, and that risk rises with higher peroxide concentration and longer wear time, so do not leave strips on longer than the label says.

How long do I keep Crest white strips on?

The sources we read do not name a brand. Wear time depends on the product and strength, so check the box and the manufacturer's instructions, and ask your dentist if you are unsure. ADA MouthHealthy says to follow product directions, talk to your dentist before whitening and look for the ADA Seal of Acceptance.

How long does it take to whiten teeth?

Healthline says lightening can appear within several days with strips and usually amounts to a shade or two, so strips are best for mild discoloration, and in-office whitening is more effective for significant staining. For custom gel trays from a dentist, Healthline's article on duration says results usually appear within about a week and peak at two to four weeks. In-office whitening is usually a single visit, and the NHS says laser whitening at a dental surgery is usually one appointment of about one to two hours, while a home kit with trays is worn for about two to six weeks.

How long do whitening strips last?

Healthline says some strips can last up to six months, and that the type of whitener, your oral hygiene and habits, the stain type, diet and smoking all affect how long. It says whitening treatments are designed to reduce stains, not repel them. Coffee, tea, red wine, grape juice and cola cause staining to return, and intrinsic stains such as those from aging, trauma, infection or medication are harder to remove than surface stains.

How long does Zoom whitening last?

The sources we read do not mention Zoom by name. Healthline says in-office (chairside) bleaching usually takes one visit and can last about one to three years with good oral hygiene, and custom take-home trays can last a year or longer with proper care. The NHS says that if you follow your dentist's advice the effect may last around three years, and that whitening is not permanent.

When should I use whitening strips?

Use them as the label directs, at a regular time, and for the number of days on the pack. Brush and floss first and wait 30 minutes, as our guide on brushing before whitening strips explains. Do not extend treatment because results seem slow: Healthline says high concentrations of hydrogen peroxide can damage enamel and increase demineralization, and it cites studies reporting enamel damage from 35 percent carbamide peroxide. ADA MouthHealthy says overuse can damage tooth enamel or gums.

Who should not use strips

Healthline says whitening does not change fillings, crowns, bridges or implants. The NHS says whitening is not suitable if you have crowns, dentures or implants, is not done for anyone aged 17 or under, or for people with unhealthy teeth or gums, and is not recommended if you are pregnant or breastfeeding. Check with your dentist first.

Questions to ask your dentist

Ask before you start.

• Are strips suitable for my teeth, gums and restorations?
• How long should I wear them, and for how many days?
• What should I do if my teeth become sensitive?
• Would professional whitening last longer for me?
• How can I keep the result?

Frequently asked questions