Six month follow-up of two Bulk-fill composites in non-carious cervical lesions: Double blind randomized clinical trial.

  • Patricio Vildósola Facultad de Odontología, Universidad Andres Bello. Santiago, Chile.
  • Jorge Nakouzi Facultad de Odontología, Universidad Andres Bello. Santiago, Chile
  • Sara Rodriguez Facultad de Odontología, Universidad Andres Bello. Santiago, Chile.
  • Alexandra Reyes Facultad de Odontología, Universidad Andres Bello. Santiago, Chile.
  • Jenifer Reyes Facultad de Odontología, Universidad Andres Bello. Santiago, Chile
  • Camila Conejeros Facultad de Odontología, Universidad Andres Bello. Santiago, Chile.

Abstract

Objective: To assess the six-month clinical outcome of restorations of non-carious cervical lesions (NCCL) with two composite resins: Bulk-Fill and nanohybrid resin. Materials and methods: Fifty-one patients, with three NCCLs each, were randomly allocated into three restoration groups: Tetric-N-Ceram Bulk-Fill (TB); Filtek Bulk-Fill (FB); y Filtek Z350XT (Z350). Adhesive techniques and restorative procedures were performed according to the manufacturers’ instructions for the different materials. A 4mm increment was applied in TB and FB, and increments of ≤2mm depth were applied in Z350. Restorations were assessed by two calibrated examiners at baseline and at six months according to the FDI World Dental Federation guidelines (1: excellent, 2: acceptable, 3: sufficient, 4: unsatisfactory, 5: unacceptable) in Marginal Staining (MS), Fracture-Retention (FR), Marginal Adaptation (MA), Postoperative Sensitivity (S) and Caries (C). Wilcoxon test was used for the comparison between baseline and 6 months, and Kruskal-Wallis for the comparison of the three groups at six months (95% significance). Results: Forty-six patients with a total of 138 restorations attended a check-up at six months and were evaluated with excellent clinical outcome. In MS, 91.2% for Z350 and 97.8% for FB and TB; in FR, 97.8% for Z350 and 100% for FB and TB; in MA, 95.6% for Z350, 97.8% for FB and 100% for TN; in S, 95.6% for all three groups; and 100% for C. No statistically significant differences were found between the three groups nor in the comparison between the baseline and 6 months (p>0.05) Conclusion: No significant differences are observed between the three groups of resins in the parameters of MS, MA, S, FR and C regarding clinical outcome at six months.

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Published
2019-08-21
How to Cite
VILDÓSOLA, Patricio et al. Six month follow-up of two Bulk-fill composites in non-carious cervical lesions: Double blind randomized clinical trial.. Journal of Oral Research, [S.l.], v. 8, n. 3, p. 210-219, aug. 2019. ISSN 0719-2479. Available at: <http://joralres.com/index.php/JOR/article/view/855>. Date accessed: 17 sep. 2019. doi: https://doi.org/10.17126/jor.v8i3.855.
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