Doing braces is not extremely painful but you should expect some discomfort when you initially start treatment. One would need to get used to the extra bulk of the brackets on each teeth. There may also be abrasions against your cheek. You will also experience some tightness during each round of braces adjustment.
Till date, nothing detrimental has been documented on teeth whitening and microscopic research shows no changes to the tooth surface with use of 10% bleaching solution. There is no study that we have come across showing any irreversible damage to the tooth structure.
To maintain good oral health, it is important to visit your dentist every six months. Going for your regular check-ups helps keep your gums and teeth healthy. It also allows early detection of any problems such as gum disease, oral cancer and cavities.