A dentist treated a carious lesion on the distal surface of a patient's first premolar. The dentist used a Triodent V3 Universal Ring to retain the matrix band and separate the tooth from the adjacent contact during treatment. The dentist built up the proximal wall of the tooth using SureFil SDR flowable composite in layers, shaped the restoration, and removed the ring and matrix band before finishing the restoration. The completed restoration had a broad contact with the adjacent tooth.