Dental Adjacent Tooth Protection Matrix: Safely protect neighboring teeth during tooth preparation for a worry-free experience! Autoclavable Sectional Contoured Matrices: Easy to clean and sterilize for maximum hygiene and long-lasting use. Baffle Type Matrix Dentistry Tools: Prevent damage to the gingival papilla with this innovative dental dam frame. Materials: Made with high-quality materials, ensuring durability and reliability during dental procedures. Easy Application: Simply place in the interdental space before tooth preparation, allowing floss to pass through the small hole and prevent accidental swallowing.