HOSA Dental Terminology Practice

Which material is described as tapered and comparable in size to files used in root canal therapy?

1. Silver points

2. Gutta-percha

3. Cement pastes

4. Absorbent paper points

The correct answer is: Silver points

The material that is tapered and comparable in size to files used in root canal therapy is gutta-percha. Gutta-percha is a thermoplastic material that is used in the filling of root canals after the pulp has been removed during endodontic treatment. Its tapered design allows it to adapt to the irregularities of the root canal system, making it suitable for sealing and filling the space effectively. In root canal therapy, the files are used initially to clean and shape the canal, and gutta-percha follows as a filling material to prevent reinfection. Gutta-percha’s properties, including its biocompatibility and ability to create a good seal within the canal, make it the preferred material for this purpose. Silver points are outdated and are not commonly used in modern endodontics due to potential complications. Cement pastes serve different functions, such as providing adhesive properties but lack the specific design necessary for the filling aspect of root canals. Absorbent paper points are primarily used for drying irrigated root canals and do not serve as a filling material. Thus, gutta-percha is the most appropriate answer, being directly applicable to the description of tapered materials used alongside root canal files.