A root canal can be considered effective if the patient is able to appreciate the filling of the root canals completely till the tip of the root . Patients must take personal interest in understanding the overall treatment , this would make the doctors happy as well.

With the advent of latest technology it is easily possible for endodontist to fill the root canals completely .

A few gadgets which patients must observe are :

1. Rotary Files : Used to shape the canals 

2. Endomotor :Enables easy preparation of root canals by providing rotation to the files.

3.X rays : Highly informative in observing the root canals .

4. Electronic apex locators : They enable the endodontist to measure the length of the root canals.