Teeth whitening
Why teeth change color, how professional and at-home whitening actually work, sensitivity, realistic results and what affects price.
- Teeth whitening
Whitening before bonding or crowns: why sequence and timing matter
Before, with a waiting period in between. Restorations do not change color, so a crown, veneer or bonding matched to today's shade will look dark if you whiten…
- Teeth whitening
Can you over-whiten your teeth? What enamel can and cannot tolerate
Yes. Peroxide whitening used as directed and supervised is considered safe for enamel, but using it more often, longer or stronger than directed can bring persistent…
- Teeth whitening
Gum irritation from whitening: why it happens and how to prevent it
Peroxide gel that touches the gums causes a chemical burn of the surface layer: a white patch, stinging, then soreness that usually fades within hours to a day. It…
- Teeth whitening
How long does whitening last, and when is a touch-up reasonable?
Whitening results usually last from several months to a few years. How long depends on the original cause of discoloration, how much coffee, tea, red wine or tobacco…
- Teeth whitening
White spots after whitening: what they usually mean and how they are treated
Whitening usually does not create white spots; it makes existing ones more visible for a while by lightening and temporarily dehydrating the enamel around them. The…
- Teeth whitening
Whitening before a wedding or event: timing that avoids surprises
Plan backward from the date. You want an examination and a cleaning first, the whitening itself, a settling period of a week or two while the shade stabilizes and any…
- Teeth whitening
Whitening during pregnancy or breastfeeding: what to ask your dentist and obstetric provider
Most dentists defer elective whitening during pregnancy and breastfeeding. That is a precaution: there is little research on peroxide whitening in pregnancy, not…
- Teeth whitening
Buying whitening products online: how to spot unsafe or counterfeit kits
A safe over-the-counter kit states its active ingredient and percentage, gives clear directions and a maximum, lists a manufacturer you can contact, and ideally carries…
- Teeth whitening
Sharp sensitivity after whitening: when to pause and contact your dentist
Brief, sharp sensitivity to cold or air during and for a day or two after peroxide whitening is a common, usually temporary side effect. Pain that is in one tooth…
- Teeth whitening
Whitening sensitive teeth: what to discuss before the first treatment
Sensitive teeth do not automatically rule out whitening, but the cause of the sensitivity matters more than the product. Peroxide whitening commonly causes temporary…
- Teeth whitening
Can you whiten your smile when you have crowns or fillings?
Yes, natural teeth can usually be whitened, but crowns, veneers, bonding and tooth-colored fillings do not change color, so restorations that show in your smile may end…
- Teeth whitening
One tooth is darker than the others: why a whitening kit may miss the cause
A single tooth that is darker than its neighbors usually has an internal cause rather than surface stain: an old injury, a nerve that has died or been treated, a large…
- Teeth whitening
Can whitening remove tetracycline stains?
Sometimes, partly. Tetracycline discoloration sits inside the dentin, so it responds more slowly and less completely than ordinary yellow staining. Lighter yellow-brown…
- Teeth whitening
Whitening for older teeth: what age changes and what it does not
Age itself does not stop whitening from working. Peroxide still lightens natural tooth structure at any age, but older teeth more often have thinner enamel over yellower…
- Teeth whitening
Coffee, tea, and red wine: managing stains without an extreme diet
Daily coffee, tea and red wine stain the surface and edges of teeth gradually. Most of that stain can be managed with habits that limit contact time, routine cleanings…
- Teeth whitening
Charcoal toothpaste versus whitening: what are the actual tradeoffs?
Charcoal toothpastes work, if at all, by abrasion that removes some surface stain. They do not bleach the tooth, so they cannot change the underlying color the way…
- Teeth whitening
Purple whitening toothpaste: color correction or lasting bleaching?
Purple "color-correcting" toothpastes borrow an idea from color theory: a violet tint on the surface can make yellow teeth look less yellow for a short time. The tint…
- Teeth whitening
Oil pulling for whiter teeth: what is known and what is missing?
There is no reliable evidence that swishing oil whitens teeth. Oil has no bleaching action, and the small published studies mostly look at plaque and gingivitis, are…
- Teeth whitening
LED whitening kits: does the light do anything?
The peroxide gel does the whitening. Reviews summarized by the American Dental Association have not shown that lights or lasers add lasting benefit beyond the gel…
- Teeth whitening
Hydrogen peroxide vs carbamide peroxide: what the percentages really mean
Both are the same active ingredient delivered differently. Carbamide peroxide breaks down into hydrogen peroxide and urea, releasing roughly one-third of its weight as…
- Teeth whitening
Does whitening work on every tooth and every kind of stain?
No. Peroxide whitening lightens natural tooth structure, and it works best on yellow discoloration from food, drink, tobacco and age; brown stains often respond less…
- Teeth whitening
Why do teeth change color even when you brush them?
Brushing helps keep surface stains from building up, but it can't reach color that comes from inside the tooth. Teeth change color from two directions. From the outside…
- Teeth whitening
Teeth whitening in Santa Barbara: what affects the price and result?
The price depends on the method (in-office, custom trays or both), whether a cleaning or other care comes first, and whether existing fillings or crowns will need…
- Teeth whitening
Professional whitening or strips: which option fits your teeth and goals?
Strips can be enough for mild, even yellowing on healthy teeth with no fillings, crowns or veneers in the smile. Professional whitening adds an exam first, gels fitted…