white spots after teeth whitening?

[moolah]

I've had a teeth whitening 2 yrs ago with the tray system and last week, using my super color guide, i noticed that i wasnt exactly a B1 shade anymore due to my high coffee intake (thanks dental school) so i refreshed the whitening last night.
i used carbamide peroxide 10% for 1h. when i took out my trays and noticed that the whitening left behind whiter than white spots on the buccal (right in the middle) of my 1st pms... it looks like decalcifications but its hard and there are no concavities whatsoever. and today, its still there 🙁
it's the first time it has happened and i haven't seen such thing in clinic..

i just wondered it anyone have seen such results before and if so, did the spots disappeared or was it permanent.

thanks

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[Daurang]

If it bothers you, just have it removed and filled with composite.

 

[tinman831]

Please consult with your dental provider for any questions you may have. Closing.

 

[ItsGavinC]

I'm re-opening this since the OP is a dental student and IS his own provider in this instance. The questions has a direct application to clinical practice as well.

To answer the question, I've had those white spots after I've whitened (I've had them every time) and they typically fade away in 3-4 days. They aren't demineralization, but they appear to be spots where the peroxide has had a greater affect.

 

[OceanDMD]

The white spots were on the teeth before the whitening procedure, just not as visible. I see them especially in ortho patients have have had demineralization then remineralization around brackets, sometimes not visible. Usually they do go away after 2 to three weeks. I have had some patients where I polished them out with a fine diamond. This can certainly turn a bleaching patient into a PITA.

 

[aphistis]

Please consult with your dental provider for any questions you may have. Closing.

Motion seconded. Motion carried. Re-closing.