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ORIGINAL RESEARCH
Year : 2020  |  Volume : 11  |  Issue : 1  |  Page : 11-15

Analysis of Stability in Time of Marginal Adaptation of Endosequence Root Repair Material on Biological Samples


1 Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, University “Sapienza”, Rome; Department of Oral and Maxillo-Facial Sciences, University “Sapienza”, Rome, Italy
2 Department of Oral and Maxillo-Facial Sciences, University “Sapienza”, Rome, Italy
3 Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, University “Sapienza”, Rome, Italy

Correspondence Address:
Marco Seracchiani
Department of Oral and Maxillo-Facial Sciences, University “Sapienza”, Rome
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/denthyp.denthyp_98_19

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Introduction: The introduction of mineral trioxide aggregate (MTA) and bioceramic sealers increased the success rate of endodontic surgery and perforation repair. The aim of this study was to evaluate the marginal adaptation at different times of endosequence root repair material (ERMM) in order to evaluate its dimensional stability using variable pressure-scanning electron microscope (VP-SEM). Material And Methods: Fourty-eight teeth were selected shaped up to a master apical size of 25. Then a 3 mm cut perpendicular to the long axis and a retrograde cavity preparation were performed. In order to obtain 2 mm thick sample a second cut was done and, in this disk, ERMM was inserted. The samples were stored at 37°. The samples were divided into four time-depending groups observed with VP-SEM at time 0 (Group 1) and after 2 (Group 2), 7 (Group 3) and 30 days (Group 4) after ERRM setting. Statistical analysis with one way-ANOVA test was performed (95%). Results: None of the four groups analyzed showed a complete marginal adaptation between dentin and ERRM. Instead, in all groups ERRM exhibited a completely preserved marginal adaptation to the dentin wall in all time-dependent groups. The mean (±SD) gap value was for time 0, 3.91 (±2.55) µm after 2 days, 4.32 (±2.69), after 7 days 4.49 (±2.53), and after 30 days 4.81 (±2.85) µm. No statistically significant difference was found between the four groups. Conclusions: The results of the present study demonstrate the dimensional stability over time of ERMM.


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