Dental Acid Etching Gel Total 6 Kits 1Kit contains 1syringe +5pcs tips 5ML/Syringe Material: Phosphoric Acid Denterx etching gel is a polymer thickened gel for use on enamel and dentin. This gel will effectively treat enamel and dentin, producing the necessary microretentive surface for successful bonding. The polymer thickener creates thixotropic properties, enhancing handling characteristics. The etchant rinse away cleanly and quickly, leaving no residue. Indications:Treat dentin and enamel, Treating agent on dental restorative material. 1. Isolate tooth and then prepare the cavity in a conservative manner. clean the entire surface with a slurry of pumice and water. 2. Apply etchant using a tip, a disposable syringe tip, or disposable brush tip. allow etchant to remain in palce for 15 seconds. etching time should be monitored with a stopwatch. begin timing at the end of application. Option: place etchant enamel first, then proceed to cover dentin, for a slightly longer enamel etching time. 3. Rinse thoroughly (at least 5 seconds) to completely remover all traces of etchant. 4. Remove exces moisture from the tooth and proceed with the applicaton of etching gel, waiting for 10 seconds, then rise thoroughly. then apply adhesive FDA STATEMENT The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Folllowing are our detailed information, if any special request, you can contact us, we are the honest seller in China!