Use of flowable composite as intermediary layer in non-carious cervical lesions restored with composite resin: 48-month follow-up
AbstractPurpose: In this case report study, the clinical performance of a microhybrid resin composite was compared with lined class V restorations or with restorations performed without a flowable resin composite, over a 48-month period. Case description: The patient of this case report presented 2 pairs of equivalent cervical abfraction lesions, under occlusion. Four restorations were placed in teeth 34, 35, 44 and 45. The restorations were divided into groups (Single Bond + Filtek-Flow + Filtek Z250 or Single Bond + Filtek Z250) and the materials were applied according to the manufactures instructions. Two previously calibrated operators placed the restorations and two other independent examiners evaluated the restorations at baseline and after 48 months, according to the USPHS criteria and modified criteria for color match. Conclusion: After 48 months of evaluation the lesions restored with Filtek-Flow as a liner under Filtek Z250 did not show better clinical performance than the restorations without Filtek-Flow. All the groups showed a trend toward dark yellowing after 48 months.
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