DescriptionCommodity Quality Certification : ceThis product may be intended for use by a health care professional use only. The seller may ask you to evidence you are a qualified health care professional entitled to buy and use such products in your country.Name:Adaptive wedgesAutomatically Adapt to Teeth Gap to Protect Gingival from Bleeding---- Material: Medical Silicone,Can be Sterilzed under 121 and high Pressure---- Total Length:16mmDia for head core:1mmDia for tail core:0.5mmThe advantage:1.protect the gum.2.press the matrix bands completely.3.Material: Inner part is hard plastic, outer part is soft silicon, also with 6 ranks of silicon burs.4.The new design, which is easy to insert into interdental septa, and protect the gum.5.Outer part with silicon burs, which can change the shape according the interdental shape, and press the matrix completely, and with elastic pressure.6.For the big interdental gap, pls insert 2-3 wedges, and the wedges will press each other, make more completely press to matrix bands and less press to gingival papilla. and protect the gum.Packing:40pcs/box