The LightSpeed® root canal instrument design is unique in that it has a non‐cutting pilot, a very short blade and a flexible, non‐cutting shaft. This allows negotiating 3‐dimensional canal curvatures with saftey and precision. The technique is simple, predictable and similar for all canals. As its name implies, the SimpliFill® obturation technique is simple to use and unique in that it is the only carrier‐based obturation system that does not leave the carrier in the canal. It consists of a 5 mm piece of gutta percha (also available in Resilon) that matches the size of the LightSpeed preparation for a predictable fit. Backfilling (coronal to the Apical Plug) can be done many different ways. This article describes a backfilling technique that is fast and simple utilizing a syringe and small gauge needle.
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