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  • Title: Self-etching primer and resin-based restorative material: two-year clinical evaluation.
    Author: Gordan VV, Mjör IA, Vazquez O, Watson RE, Wilson N.
    Journal: J Esthet Restor Dent; 2002; 14(5):296-302. PubMed ID: 12405585.
    Abstract:
    PURPOSE: This study was undertaken to evaluate the performance of posterior restorations placed using a self-etching primer (Fluorobond, Shofu Inc., Kyoto, Japan) and a universal resin-based restorative material (Beautifil, Shofu Inc., Kyoto, Japan). MATERIALS AND METHODS: The 61 restorations evaluated were 26 Class I and 35 Class II that were placed by two clinicians in 31 patients. Two other calibrated clinicians evaluated the restorations using United States Public Health Service (USPHS)/Ryge criteria observing the following characteristics: color match, marginal adaptation, anatomy, roughness, marginal staining, interfacial staining, contact, secondary caries, and luster. Restorations were placed under rubber dam isolation. Chi-squared and Fisher's exact tests were used for statistical analysis (p = .05). RESULTS: All the restorations were assessed at baseline and alfa scores predominated for all criteria. At the 12-month recall examination, one patient dropped out of the study and two restorations were replaced by a clinician not involved in the project. At 24-month recall, 58 restorations were examined (23 Class I and 35 Class II). From baseline to 24 months, 19 of the 44 restorations changed from alfa to bravo and 13 from bravo to alfa for a variety of reasons. No significant differences were found for any of the clinical criteria (p > .05). The 2-year recall substantiated the 1-year results. CONCLUSION: Beautifil and the self-etching primer Fluorobond provided satisfactory restorations after a 2-year observation period. CLINICAL SIGNIFICANCE: Beautifil restorative material and Fluorobond bonding system provided satisfactory results when placed in Class I and Class II preparations for a period of 2 years.
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