The more yellow versus gray color a person has In their teeth the better the bleaching, Grey enamel similar to that of Tetracycline (antibiotic) staining is more difficult to bleach and can take a few months to achieve minor results. Virtually everyone who whitens their teeth will see improvement. A - If the discoloration is due to over-consumption of tea, coffee, wine or tobacco products etc.
- and a person does not change their behavior, then it is likely that the whitening effect will not last as long. Additionally, teeth may require touch-ups from time to time, Generally speaking most one hour in office whitening should last anywhere from 5 - 6 months.
A - AlI bleaching gels cause some degree of tooth sensitivity. This is sensitivity to cold/hot fluids and even air.
This is normal and an expected side- effect.
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