Patent ID: 6960082

Claim:
Dental device for concurrently enlarging two approximal spaces between three or more teeth, comprising: two interdental matrices spaced apart by one or more tooth lengths for insertion into the approximal spaces; two retaining means adapted for retaining the interdental matrices in the approximal spaces; and wherein at least one of the retaining means is a U-shaped carrier comprising: a bases; and two side portions with mounting means for mounting a first of the interdental matrices, wherein said side portions hold opposite ends of the first interdental matrix; a spacer device engaging the retaining means for pushing the retaining means and for guiding the retaining means parallel, thereby pushing apart the interdental matrices in the approximal spaces, wherein the spacer device modifies a distance between the interdental matrices by increasing the spacing of the approximal spaces between the teeth, and wherein said distance is in a range between at least one tooth length up to a spread length that is larger than one tooth length.