Your dentist will refer you to a dentist who specialises in braces 'Orthodontist', or you can refer yourself. At the first appointment, the Orthodontist will discuss with you what you would like to achieve from the orthodontic treatment. You will have an oral assessment, x-rays and moulds taken of your teeth.
At the second appointment the orthodontist will outline your treatment plan to discuss all the options available to you. In many cases, permanent teeth need to be taken out to create space in your mouth so that the remaining teeth can be moved. If this is the case, the extractions are carried out by your regular dentist.