6 mL bottle, Dentastic UNO UNO™ is an exceptionally strong, single-component adhesive for bonding to dentin, enamel, porcelain, metal, composite and other resins Testing performed at Department of Restorative Dentistry, The University of Texas Health Science Center at San Antonio One-Step and Prime & Bond 2.1 are trademarks of Bisco, Inc. and Dentsply International Inc. respectively. DenTASTIC UNO combines the patented PMGDM adhesive primer with hydrophilic resins and acetone solvent into an exceptionally strong single component adhesive.