Ensures pinpoint location of high spots on crowns (occlusal, internal, and interproximal) as well as on night guards and partial adjustments. Intraoral use permitted by the FDA. No intraocclusal displacement during marking. Marks any tooth or restorative surface (including gold) in either wet or dry field. Aerosol ease of use as opposed to paper. Formula provides cleaner application and is easily removed with water. CE marked.