This dental matrix system includes 31 brand new matrix bands that are designed for use in endodontics, orthodontics, and general dentistry. The bands are made by INNOVADENT and are part of the Omni-Matrix line, with a several materials and thicknesses to choose from. One box was opened with one band used.  The remaining boxes are sealed with all 8 bands included.The system is disposable and meant for single-use only. It is ideal for dental professionals looking for a reliable and efficient way to create a tight contact between teeth during restorative procedures. This product falls under the categories of Dental Matrix Systems & Wedges, Medical, Lab & Dental Supplies, Healthcare, Lab & Dental, and Business & Industrial.