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Under the conditions of this study, EndoSequence and Biodentine had significantly less discoloration compared with white ProRoot MTA, MTA Angelus, and ProRoot MTA. The potential for discoloration may or may not correlate when materials are used clinically.

This study was designed to compare a warm gutta-percha obturation technique, Thermafil Plus (Tulsa Dental, Tulsa OK), with lateral condensation for the ability to adapt gutta-percha to the walls of a root canal system. An extracted sectioned and mounted maxillary central incisor had canal irregularities created and was subsequently subjected to multiple obturations using both techniques. Length of fill, replication to working length, number of artificial depressions replicated, quality of replications, number of voids, and general appearance of obturation were all evaluated using standardized criteria. Data evaluation consisted of a one way analysis of variance on the same type defects between obturation groups followed by a Scheffé post-hoc test. A statistically significant difference was found between the groups in each category of evaluation. Gutta-percha using Thermafil was better able to flow into lateral spaces, had fewer voids, and replicated the surface of the root better. It also, however, was extruded out the apical foramen more than in the lateral condensation group.

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