I absolutely love Teeth Whitening and think it makes a huge difference to anyone's smile. I have had my teeth whitened 3 times in the last 5 years.
The first technique I had was Laser. I had it done while I was in Thailand so I don't know which laser it was but you could feel heat when the laser was on. My mouth was clamped open and a thin line of gel was applied along the line where the gum meets the tooth. A laser was held over my teeth for 4 rounds of 30-60 seconds. Each round was a tiny bit more painful, it wasn't unbearably painful but it was uncomfortable and the heat felt hotter and hotter with each round. I paid £140 but in London you can expect to pay around £500+. Initially I thought the treatment hadn't worked but over the next few hours my teeth got whiter and whiter and but the next day they were gleaming white. I was thrilled with the result. The only side effect I experienced was I would get a second of sensitivity every few hours over the first 24 hours but that was it. Coloured food and drink should be avoided for 48 hours after the laser. They told me the laser should last 5 years but after 3 years my teeth became a bit dis-coloured again so that's when I did the home kit.
When I did the home kit I had to pay approx £100 for my mouth trays to be made then you pay approx £20 per syringe of tooth whitening gel. Its recommended you use 4 syringes over a 2 week period. During this time coloured foods and drinks should be avoided. The gels come in different strengths I think I had a 10% and a 16%. Your dentist should recommend which percentages to use as it all depends on your tooth sensitivity. Again I was thrilled with the result, teeth were gleaming white. I was abit sensitive over the 2 week period and the result lasted maybe 6 months before I needed a top up. The good thing about the home kit is once your trays are made you only have to buy the gels every time you want to repeat the process so that works out about £80. I used the Polar Light brand and was very happy with it.
The 3rd technique I used was the cool laser. The process was pretty much the same as the other laser but accept the laser is held over the teeth for 5 rounds of 4 minutes and you couldnt feel any heat. This is definitely the least comfortable way of doing it. They put a bleach on my teeth which smelt really bad like really strong chlorine and you feel like your breathing it in. My gums were red and sore after and my teeth werent any whiter. It was a complete waste of money. If you do see a cheap laser deal online then beware as its probably the cool laser method they use. Before paying for anything I would ring the company and ask what laser is it they use and do they apply a bleach first that smells like chlorine.
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