| Summary: | Aim: The present randomized clinical study compared the 18 months performance of self-adhering flowable composite with a conventional flowable composite in anterior Class V restorations. Materials and methods: Totally, 20 patients, each with two moderate cervical carious lesions, participated in this singlecenter study. Forty restorations were allocated on a random basis by one examiner not involved in the restoration or the evaluation procedures, In each patient, one lesion was allocated to be restored using self-adhering flowable composite [Fusio liquid dentin (FL)] and the other to be restored using conventional flowable composite [Tetric Flow (FF)]. The allocation sequence of the restorations was concealed from the operator in sequentially numbered, opaque, sealed, and stapled envelopes. An operator restored all the preparations in accordance to the manufacturer's instructions. Finishing and polishing of the restorations were done immediately after placement. Evaluation of the restorations was done in accordance to the United States Public Health Services (USPHS), modified Ryge criteria. Statistical analysis was completed with Statistical Package for the Social Sciences (SPSS) version 20.0 (IBM Product, Chicago, USA). Results: One case could not be reassessed at 18 months follow-up in both groups. No significant differences were detected between the tested materials from baseline to those of 18 months using the modified USPHS criteria. Conclusion: Self-adhering flowable composite exhibited acceptable clinical performance comparable with the conventional flowable composite in anterior Class V restorations over an 18-month period. Nevertheless, the findings of this study must be validated by a longer clinical study. Clinical significance: Self-adhering flowable composite exhibited clinical performance comparable with the conventional flowable composite in Class V restoration. © 2018 Jaypee Brothers Medical Publishers (P) Ltd.
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