Brushing your teeth after teeth whitening: the short version
Wait about 30 minutes after a whitening treatment before brushing, then brush gently. The teeth are not damaged, but the bleaching gel leaves them temporarily dehydrated and more reactive, and many people find a sensitive-teeth toothpaste and a soft brush more comfortable for the next few days. Sensitivity after whitening is common and usually short-lived.
What is actually going on
Whitening gel works by passing through enamel to break up stain, and in doing so it briefly opens the pathways that carry sensation to the nerve. For a day or two the teeth can react to cold air, cold water, and even brushing with quick, sharp zings. The gums can be irritated as well if gel touched them, showing as white or sore patches along the edge that normally fade within a day or so. Brushing straight away adds friction and cold to teeth and gums at their most reactive, which is the reason for a short pause. When you do brush, use lukewarm water. Brightly colored toothpastes and mouthwashes are worth avoiding for the first two days, when the enamel takes up color more readily than usual.
The first time, step by step
Leave about 30 minutes after the treatment, then make the first brush a mild one. Choose a soft brush, a white toothpaste for sensitive teeth, and lukewarm water. Use light strokes and less pressure than usual, particularly along the gumline if gel irritated it. Skip any brightly colored paste or rinse for the first two days. When you finish, spit out the foam and do not rinse hard, so some of the toothpaste stays on the teeth. Expect a zing or two. If brushing is still painful after a few days, ask the dentist who did the whitening what they recommend.
Brush Teeth After Teeth Whitening: What You Need to Know
Wait time
After a teeth whitening, you should wait 30 minutes before brushing your teeth.
Why
Sensitivity common
Warning
Use sensitive toothpaste
Tips for Brushing your teeth After Teeth Whitening
- 01Brush before a whitening session, not right after; if using trays at home, leave time between brushing and applying gel so gums are not freshly irritated.
- 02Use a toothpaste for sensitive teeth for a week or two around the treatment, with a white paste instead of a colored gel.
- 03Rinse the brush under lukewarm water, since cold tap water on newly whitened teeth can be startling.
Common mistakes
- 01Brushing immediately to remove the feel of gel. The teeth and gums are at their most reactive in that first half hour, and a rinse with plain water clears the residue without friction.
- 02Following a whitening session with a whitening toothpaste the same evening. Those pastes tend to be more abrasive, and scrubbing sensitive teeth with grit prolongs the zings.
- 03Buying a firmer brush to help keep the new shade. Stiffer bristles do nothing for color and wear the gumline, where darker root can then show.
Other Activities After Teeth Whitening
See when you can do other activities after your teeth whitening:
Table 1 — Other activities after teeth whitening
| Activity | Wait |
|---|---|
| Use a Straw | Immediately |
| Eat Normally | 24-48 hours for best results |
| Smoke | 48+ hours |
| Drink Alcohol | No wait from the procedure; avoid red wine and dark drinks for 48 hours |
| Drive | Immediately |
| Exercise | Immediately |
Recovery info
Recovery timelines are general guidelines based on typical cases. Individual recovery may vary based on your health, the complexity of your procedure, and other factors. Your own dentist's or surgeon's post-operative instructions always take priority over anything on this page. Call them if you are unsure.