BISCO’s new SELECT HV ETCH is a 35% HIGH VISCOSITY phosphoric acid etchant containing Benzalkonium Chloride (BAC), designed for the “selective etch” or “hybrid” technique – etching enamel margins without etching dentin. It can also be used for everyday total-etch restorative procedures. SELECT HV ETCH is formulated for optimized handling and accurate pin-point placement performance.

• High Viscosity, ideal for enamel etching
• Thixotropic
• Blue in color for easy visualization and contrast
• Washes off easily without leaving residue
• Available in a convenient bulk syringe with disposable syringes
• Contains Benzalkonium Chloride (BAC), an antimicrobial agent*

U.S. Patent: 5,385,728

* Inclusion of BAC has not been shown to correlate with a reduction in secondary decay in patients. In-vivo clinical studies to evaluate the effects of BAC on oral bacteria or caries have not been performed.