There are many instances where the dentist will have no choice but to suggest a tooth filling or a cavity filling for a patient. It is not only decay but there are other reasons for the fillings to be done. These include a cracked or broken tooth due to an accident or infection. Once the dental fillings treatment is mandatory, a local anesthetic is given to the patient around the area to numb the pain. Next the decayed part is removed using a drill and a laser in more sophisticated cases. Then the space is shaped for the filling to be done. The filling type is determined initially, depending upon the nature of the damage. The dental restoration works then begin, where the filling is carefully embedded within the space using resins and special gels. Then if needed a coat of polish is also given and depending upon the sensitivity a cap or a crown is placed on top of the filling. Silver (amalgam) and composite fillings are the more common ones but however in case long-term durability is needed then people opt for gold fillings. The fillings are basically easy to maintain post the treatment and only a mild sensitivity is experienced for a few days. This fades gradually over a week or two. The Post treatment care is also very minimal and if properly followed, the fillings have a very good chance to last many years.