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Sealing ability of two root-end filling materials at different retro-preparation lengths. | LitMetric

AI Article Synopsis

  • - The study aimed to assess how well two different root-end filling materials could seal against microleakage, specifically looking at the impact of varying retro-preparation lengths.
  • - Fifty single-rooted teeth underwent standard endodontic treatment and were divided into groups based on retro-preparation lengths (no preparation, 3 mm, and 9 mm) and material types (Biodentine or Super EBA).
  • - While no significant differences in sealing performance were found based on retro-preparation length, Biodentine was more effective than Super EBA in reducing microleakage.

Article Abstract

Purpose: The aim of the present study was to evaluate the sealing performance, expressed as microleakage (ML), of two root-end filling materials when used at different retro-preparation lengths.

Methods: Fifty single-rooted human teeth were collected for the study. The teeth were cut at the cement-enamel junction and endodontic treatment was performed. Each root was cut at 3 mm from the apex and then stored in wet condition. The teeth were divided into three groups according to the retro-preparation length: control group (no retro-preparation); group 1 (retro-preparation of 3 mm); group 2 (retro-preparation of 9 mm). The teeth were equally allocated to either Biodentine or Super EBA treatment group. The teeth were immersed in 3% methylene blue dye solution for 24 h. The samples were split longitudinally and the depth of dye penetration was examined through light microscopy.

Results: No significant statistical differences were found at different retro-preparation lengths (P > 0.05). Differences were found between materials (P > 0.05).

Conclusion: Biodentine showed significantly lower ML when compared to Super-EBA and no statistical significative differences were observed when samples were retro-prepared at 3 mm or 9 mm.

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Source
http://dx.doi.org/10.2334/josnusd.21-0309DOI Listing

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