Generally speaking, undergoing the filling procedure is a simple process. X-rays may be taken in order to determine the extent of the decay and damage prior to your dentist getting in there.
The treatment area, including the tooth and the surrounding gum tissue, will be numbed so that you feel no pain during the procedure.
After you are numbed, your dentist will start to remove the decayed enamel, using dental tools designed specifically for this purpose. The sound of the drill may be disconcerting for some patients, so be sure to ask for music to listen to if it will prove to be helpful for you.
Once the infected areas have been removed, your dentist will disinfect the area to ensure that the bacteria have been completely removed. The treated area will then be filled with the composite resin, and set. The filling may be filed and smoothed down so that it offers you a completely natural look.