Aerosol Indicator Occlusal Marking Spray. Intraoral use permitted by FDA, excellent for lab use. Excellent aid in seating castings. Accurate - No intra-occlusal displacement during marking. Assures pin-point location of high spots. Effective - Marks any tooth or restorative surface (including gold), in either wet or dry field. Highly visible. easy - Instantaneous fingertip application. New low pressure formula provides cleaner application. And is easily removed with water. Contains no CFCs. To ensure proper use of Occlude, disposable applicator tip is recommended.