What material is most commonly used to obturate (fill) a cleaned and shaped root canal?
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Correct answer: Gutta-percha
Gutta-percha is the standard biocompatible material used to fill and seal root canals after cleaning. Amalgam, composite resin, and glass ionomer are used for coronal restorations, not canal obturation.
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More Endodontics: Root Canal Assist questions
- Which of these tasks may be performed by a dental assistant during a root canal session?
- When should a final radiograph be taken during root canal therapy?
- What is the main goal of root canal therapy?
- Which of the following describes a “clean and shape” phase in endodontic treatment?
- Why must instruments used in a root canal be sterilized and handled carefully by the assistant?
- If a tooth has multiple canals, how does that affect root canal therapy?