This invention relates to the modified rubber dam clamp and in particular, this invention relates to a rubber dam clamp having additional matrix band retainer which is for retracting the rubber dam and retaining the matrix band. More particularly, this present invention relates to the rubber dam clamp having modification which provides adequate contact and support and replace the missing wall due to caries and cavity preparation by retaining matrix band in its place. Furthermore, this invention also relates to the rubber dam clamp having matrix band which has the advantages of reasonable structure, protecting effect is good, and the mounting process is simple and direct, safe and reliable.
