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Frequently Asked Questions on Teeth Whitening


 
 

Are there any side effects with teeth whitening?

While it is true that teeth whitening by bleaching does work, it does not come without side effects. There are many reported incidents of increased tooth sensitivity after bleaching. Prolonged exposure to bleaching agents can damage tooth enamel. If the treatment is not administered properly, there can be complications like gum irritation. The oxidizing agents are very strong and can damage the soft tissues of your mouth. The bleaching effect can also cause irritation and increased sensitivity to cold and hot fluids and sometimes even to air. In the case of home bleaching, there is a chance that patients might ingest some of the bleaching gel. In such a case, the person might experience burning or nausea.

According to a Brazilian study done in 2004, increased sensitivity is an inherent characteristic of the bleaching process - and is commonly experienced. During bleaching with carbamide peroxide, the bleaching agent can actually expose microscopic particles of the inner tooth, known as dentin. If cold water is ingested or reaches the dentin, it can cause a slight contraction that's felt as increased sensitivity. The heightened sensitivity will continue until the temperature of the tooth warms back to body temperature.

photomicrograph from Brazilian Oral Research

In detail, the photomicrograph above shows various photos of tooth enamel taken during a whitening treatment using carbamide bleaching agents. A greater degree of porosity (enamel prism dissolution) occurs as the bleaching time is increased. The complete dissolution of the enamel rod prism could account for sensitivity to cold water after bleaching.

When receiving professional teeth whitening, minimal sensitivity and good whitening results rely on factors such as pH, viscosity, and stability and, most importantly, the rate at which the carbamide breaks down into hydrogen peroxide and then oxygen. Many manufacturers have chosen carbamide, as it is more stable than hydrogen peroxide. However, this also causes a slower release of the oxidizing agent and necessitates longer procedures. Some manufacturers have tried to accelerate this by adding heat (in the form of light). This can have a minimal effect but it can also be a major cause of extreme sensitivity.

We have written an in-depth article on possible teeth whitening dangers located in the article section.

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Comments

1. - alex - 03/14/2008
The last 2 lines are repeated.
2. - sandra foltman - 07/10/2008
I had a teeth whitening done two days ago and the inside of my bottom lip is very red and painful....I can not eat.....what to do?

I live in San Francisco and I do not have a car and it would take to long to get to my doctors now.
3. - jayne - 10/12/2008
i had teeth whitening last tue & had what looked like brusing on the front of my top teeth on the gum was very painfull that started to go down & on sunday a red line came up straight alone the top of my front teeth on the gum looked like a thick vain along the top 4 teeth on the gum my dentist said it looks like a cotton wool reaction it looks like a burn mark to me i had work done on my teeth he gave me 4 injections on the front of my mouth then did the bleaching i don't think he should have done the bleaching after just having the injections he said he has never seen anything like my gum has reacted
can you advice
many thanks
jayne
4. - micaela - 11/30/2008
i whitened my teeth
with aquafresh white trays
at home a little while ago.

i made sure i cleaned my teeth
REALLY good before i used them,
but I have a bunch of white specs
and streaks on my teeth now.
it looks ugly.

why didn't all part of my teeth
whiten at the same level?
5. - patricia parker - 06/28/2009
I had teeth professionally whitened. Since that time, which was approximately 4 months ago, three of my large molars have broken down, I have lot two fillings and I have two large back teeth which are absolutely senstitive right down to the gum. I have never had teeth problems, or any health probelms before, but I am terrified as to what it is going to cost me to have this rectified. The dentist swears this procedure does not weaken teeth. Wow, better a little stain.
6. - tony - 07/14/2009
i was planning on whiteing my teeth but after reading these reviews......yeah right
7. - merry tan - 07/14/2009
me too.. i was planing on whitening my teeth next week, but after knowing all the side effects..i change my mind..
8. - sarah - 08/18/2009
I thought to get my teeth whiten by white plus formula after seeing in youtube. But I remember orthodontist surgeon told me that one should not go for it.
So I changed my mind too.
9. - Jenny - 09/11/2009
i wanted to go get my teeth whitened tomorrow but after reading all these.........naaaaa better of like this i dont want to loose my teeth
10. - sieng - 10/11/2009
Ok so I got my teeth whitening before my photo shoot right? I got my teeth whiten at this place in gurnee mills and the first time the color of my teeth weren't even coming ouy white... so I went back for another session which was 20 min each... then when I got home my lip started sweelinng... the next following day my entire upper and lower lip were swollen
11. - Jessica Parson - 10/30/2009
I got my teeth whitened yesterday at a booth in the mall now my whole top lip is swollen and wont go down i took allergy medicine last night to see if that would help but nothing? What can i do to make the swelling go away. My teeth are super white but not worth having my lips swollen PLEASE HELP!
12. - Kari - 12/10/2009
I did the crest white strips, the 7 day kit.

My teeth did come out a few shades whiter, enough to satisfy me. Though they arent like paper white so they look fake, they are a few shades and some people did notice.

Few downsides, the taste makes me want to gag. They say you can talk with them on, its bs, they slide, so I did it while I was watching a tv show. And my teeth had a slight constant pain, not sharp and not too bad, just a little achy. Was able to take some tylenol to help, and it went away a few days after I was done using them.

So overall, I did get what I wanted with only slight discomfort, for the $40 I paid [coupon] for the whole kit, it wasnt bad.
13. - Jen - 12/26/2009
It's really not that bad! I did the Zoom procedure which actually did hurt a LOT but jeez guys I think everyone should be able to tolerate a little pain... then I got trays and 2 bleach kits to do at home. I just finished the Nite White system which made my teeth a little sensitive and my gums are a little sore from the trays. And now Im starting White and Brite, so I guess I'll have to see! But I do have to say that my teeth are a lot whiter!
14. - jon - 01/12/2010
just had my teeth whitened about 3 hours ago.now i carnt talk as the sensetivity is horrendous.i asked the dentist after the procedure and said 2 hours - 1 day and the pain will go away..so fingers crossed
15. - ivan - 04/09/2010
i just got my teeth whitened on thursday and up to this day (saturday after) my gums and inside lower lip feed tight and sensitive as if there has been a burn. any one know any remedies on how to cure this?
16. - Para - 10/23/2010
Brush w lemon and salt. Lemon is a bleaching agent and salt will gently exfoliate.
Oh and baking soda.
I almost got this bleaching done, and last minute my sister reminded me of the side effects.
Why did I consider it especially without checking out natural methods first.
I am about to go online and check those out.
I don't believe in risking any side effects that happen commonly w surgery or chemical procedures.
This society really has to stop being obsessed w beauty that it makes everyone feel not good enough. How many times have we seen beautiful people get surgery because they are just not satisfied, and ended up ruining their natural good looks. But they were satisfied many times because their view of what's beautiful becomes distorted. Skin pulled tight giving a garish look is preferred over the site of slight wrinkles on an otherwise beautiful face.
17. - Q1 - 10/26/2010
I have heard that you should not use certain products if you are pregnant, so you check the pack though.
18. - sabra - 12/29/2010
brush your teeth every day day and night and don't think ever about whitining your teeth I mean bleaching.Its nothing good about it It's will destroy your teeth for ever.
19. - Can't eat - 01/08/2011
I had my teeth professionally bleached 2 days ago, which consisted of 4 10 min sessions. During the first session, my lower lip burned horribly. They continued the treatment with a wet paper towel on my lip. When I left my lip was swollen and had white burns on it. 2 days later, the pain is worse and there are 4 burned areas (white and ulcerative-looking) on my lower lip. Had no idea this was a possibility or wouldn't have done it. My lip hurts so bad that I cannot eat. Would not recommend at all!
20. - Bert - 01/26/2011
4, 15 min sessions done at dentist office. The "electric shock" feelings in my teeth really hurt during the last two sessions. The bleaching solution "leaked" and burned the edges of my gums bordering my upper and lower front teeth. Didn't get a good nights rest because of the pain. Teeth are beautifully white, my gums not as pretty. Not sure if I would do it again.
21. - sydney - 03/28/2011
i used the plackers whitening trays, and the gel got on my tongue, now i cannot taste anything. is it possible that it burnt off my taste buds :( ?
22. - Ryan Moore - 04/27/2011
I have a BIG chip on my front tooth almost half from when i was a kid. have been travelling and the cap came off, i got it glued back on temperally, iam in vietnam and current getting my teeth whiten and my cap re-done, i hope i dont get these side effects you guys speak of.
a smile is every thing to me a hope this isn't a burdin for life. Wish me luck.
23. - mickey B - 04/28/2011
had my teeth whitened by Zoom 5 hours ago.im 8 shades lighter. Wow im in pain. not all the time its like shocks . I hope it goes away . But if I new about this pain there is no way I would of had this done. Never again . I hope by newt week I can say it was worth it . But right now its not.
24. - marcus - 05/22/2011
i had the teeth whitening by zoom 3 days back.cold or hot coffee anything knocks the bee jabbers out of me.the gums ve multiplied in size and not to mention the the lips.But the teeth ,snow white.yellow stains are not so bad as the pain now feels..
25. - teethwhitener - 06/04/2011
hi guys,

I conduct laser teeth whitening and all i can say is that you should be very careful who you let near your teeth.

If you are having this procedure done you should ask if they will be applying a gingeval barrier to your gum. this stops the bleaching agent from coming into contact with the gum.

Secondly, at no point should the bleaching agent come into contact with any part of the mouth except for ur teeth. those of u that have experienced white marks on lips and gums, this is where the bleaching agent has come into contact with the soft tissues of the mouth. I would recomend going to ur local pharmacy/ drugstore and asking them for a product which will numb and help it heal. These products vary depending where you are.

It is very poor show to get the bleaching agent onto a clients gums. The gel is quite thick and does not drip so should be applied to each tooth individually. If you are having this done, tell the person in no uncertain terms that if they do burn your gum then you will not pay. they will be a lot more careful. Try to avoid stalls in malls/ shopping centres.

My clients have been 50 50 regarding pain after the whitening. But i always give my clients liquid ibprufen tablets to take an hour afterwards. and tell them to continue the dosage, if they feel any discomfort. Ibprufen will take away the achey feeling.

You should also make sure that the person does not us stronger than 16% hydrogen peroxide or 36% carbimide peroxide. Although local laws vary the maounf legally used, the risk of pain and a negative reaction is higher if the bleaching agent is stronger.

Also there is no danger of your teeth breaking down during this procedure, especially the back ones as you should only be bleaching visible teeth. i.e the ones at the front.

The old saying beauty is pain is sometimes true. Just take plenty of ibprufen after wards if u start to feel any pain, It is worth it in the end. just dont be naive enough to think it is totally pain free for everyone. there is no harm in taking a couple of ibprufen just in case.

hope this helps.
26. - Caz - 07/08/2011
im having mine done on monday, im a little scared after reading the comments on this site but think i have done my research. Let u no how it goes. it has helped reading the comments as at least i no a few things to look out for and hopefully see any sign of (like the gel gettin on my gums or lips) i will def b saying i wont b paying if this happens! wish me luck, i will let u all no how i get on.
27. - Selivbo - 07/13/2011
I got my teeth laser whitened yesterday... and i do have to say the result was amazing,but the side effects were insane. I was not able to tolerate the pain in my gums so the dentist had to remove the chemicals from my teeth before i even completed the session. My gums were extremely swollen and they felt like they were literally burning. My gums were also white, there was no color or probably even blood flow thru them and god was the throbbing of my entire mouth was so painful. The dentist had to inject anesthetic on my gums because i could not tolerate the pain. Today my gums feel a little better, but my teeth are super sensitive, they hurt from just my tongue touching them.
28. - Apple - 07/30/2011
Oops! I have appointment in couple weeks to get Zoom whitening. After reading these yeah right. I will call to cancel the appointment.
29. - MN - 08/04/2011
I highly recommend Arm & Hammer Whitening toothpaste with liquid calcium. My teeth (very sensitive set) never looked better (whiter) and the process is nowhere close to as invasive as bleaching.
30. - Chinedo nnanna fortune - 09/20/2011
27,Fortune- 20/09/2011
am a dental technologist, i have a friend that seriously wanted her tooth to be white, she decided to go for tooth whitening even after my professional advice and letting her know the side effects. Now she calls me her enemy because her tooth are sensitive even wit d slight contact with air. I advice evryone that reads this article to be contended with what God has given to them.
31. - Prasad - 09/25/2011
I was planning to go for teeth whitening today.. but after reading all these posts I decided not to go.

Guys what is your opinion on home remedies. Plz search below keywords in google-

teeth-whitening-causes-and-home-remedies
32. - noreen - 10/08/2011
yes i too was suppose to b going for lazer teeth whitening but reading all the comments has scared me as my teeth are pretty good no fillings or bad teeth so b afraid of all the side effects ruin my teeth 4 ever b a bad looking sight after all ur side effects aimagine if i was to get all of them...
33. - Allie - 10/14/2011
Had my teeth bleached yesterday with chemical and LED light to speed up the process , my gums are red and feel excoriated but nothing I can't handle. On the other hand after I got finished Iit felt like my upper lip was tingling they told me to apply chap stick and it would stop in about 10 minutes. Well it did not stop and my whole upper lip is swollen and has a blister forming on it , very painful
34. - Ali - 12/04/2011
I had my teeth whitened last week - I had four 15 minute sessions with a qualified dentist - it cost $650.00. I had a consult a week before where I was given a gel/moose to apply twice a day after brushing my teeth for the week before whitening. I have sensitive front teeth due to a horse knocking both nearly out of my head. I was very nervous but the whole procedure went without a hitch. My teeth are white my gums are normal and I had absolutely no pain whatsoever during the 1 1/2 hours. I think it depends on where and who does the procedure - what you pay for is what you get. Happy white smile :-)
35. - elvis - 12/25/2011
i had my teeth whitened in tj with this doc vasquez and they are really white bein good. and i got not problems no swelling or hurting thank god
36. - j nprton - 02/02/2012
I had my teeth whitened last weds I suffered suver burning and blisters the pain was horrendous for almost a week later I really suffered and after all that they don't seem any different in whiteness either o tpld them about it and went to see them a few days later and asked for my mpney back they tefused and tried tp make put o cpuld have spme lond pf gum dicease ot is so wrpng what they have dpne and the way o have been treated what can I do I am sp upset about it all can I Sioux them or or teport them so this doesn't happen to anyone else?
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