Device and system for separation and matrix retention and adaptation during dental restoration

A device for interproximal separation and matrix band adaptation and retention for use in a dental restoration procedure. The device includes a pair of integral wedge elements and a pair of cushion elements that together achieve simultaneous separation, adaptation and retention. A system is also provided including the device and a matrix band. A method of preparing a tooth for restoration is also provided that includes placement of the matrix band and positioning of the device to adapt the matrix band to a tooth to be prepared and retain it in its properly adapted position while simultaneously separating the tooth to be restored from an adjacent tooth.