Hi want to lean up my teeth as it has sum colour...

Dear Customer,
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What are teeth whitening methods?

1. Laser therapy
2. Simple cleaning and bleaching at the doctor
3. Bleaching agent
4. Medical toothpaste for bleaching
5. Household bleach devices such as Ultra White

What causes teeth color change?

1. Smoking
2. Do not clean them daily
3. Oral and gum infections
4. Genes
5. Break the lime layer 

What do we advise you?

You should consult your dentist to check the gum and decay before starting anything, and should drink plenty of water and when using gel or bleaching devices must follow the instructions for the best results and the best is ultrawhite device with a reasonable price and best effect

We wish you all the best ,
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Kind Regards