Whitening of teeth has great cosmetic value, but the craze to have stain-free teeth has lead to complications ranging from minor discomfort to severe pain and damage of tooth enamel. These repercussions arise mainly on account of the bleaching products used, with acidic compounds like fruit juices deteriorating your teeth’s enamel.
Gum irritation and increased sensitivity with accidental ingestion could lead to symptoms like nausea, vomiting followed by burning sensation in the chest. However when teeth whitening are done by qualified and experienced dentists in their office care can be taken to prevent these side-effects with the placing of a dental dam.
Also research indicates that when hydrogen peroxide in the whitening gel could leak from the tray and release cancer causing free radicals and cause tongue cancer.