Depending on the extent of the treatment, there might be a need for anesthetic injections. Next, the dentist roughens the existing tooth for the resin to adhere properly. He will then apply a gentle phosphoric acid solution on the tooth s surface (which does not hurt) and removes it after 15 seconds. A few years back, it is not something that people actually worry about. Most worry about the wrinkles on their faces or the shape of their body; no one worries about how straight their teeth is or how white. For most Americans and people all over the world, it is enough that they have healthy teeth with no cavities and a fresh breath. The following are some of the best cosmetic dentistry procedures for crooked teeth. Invisalign Invisalign needs your budget and your patience when your cosmetic dentist will work on your forthcoming beautiful smile in a few months. It actually is a set of very strong, clear plastic removable teeth aligners. Nowadays, cosmetic dentists use computer monitors so both of you can review your smile tooth by tooth. This is also for your understanding on what can be changed and how. Results, of course, may vary depending on the skills of your chosen dentist. Since you have been apprised of his or her skills beforehand, your expectations will not be much at variance with the outcome. These people have already gone through the necessary training and have the experience to create great sets of teeth for people. And it is important that people who are seeking to change the way they look through their teeth should go to a cosmetic dentist and not just an ordinary dentist. These guys can be more expensive and the procedures may have some add-on costs but you can be sure that they know what they are doing. Cosmetic dentistry can require you to have tooth extractions and false teeth. It can put you under braces or retainers for a couple of months. You sometimes even have to put up with elastic bands on your teeth that are the bane of most dental patients. But for sure, you already know these things. So the next things that you need to know is how to prepare for your upcoming cosmetic dental procedures.