Here's a step-by-step guide to an Endodontic (root canal) procedure. The length of treatment depends on the severity and complexity of the tooth. Give us a call if you have any questions. 1. The endodontist examines and x-rays the tooth, then administers local anesthetic. After the tooth is numb, the endodontist places a small protective sheet called a “dental dam” over the area to isolate the tooth and keep it clean and free of saliva during the procedure. 2. The endodontist makes an opening in the crown of the tooth. Very small instruments are used to clean the pulp, nerves, from the pulp chamber and root canals and to shape the space for filling. 3. In our office we add an extra step in which we use the Waterlase MD laser system in two different settings. The first setting is the cleaning stage; water is introduced into the canals, producing a mini "carwash" so any left over debris is suctioned out. The second setting is the disinfection/dry