- The Aluminum oxide microblaster was designed to be held almost like a pencil allowing the thumb to activate the finger button control . Hold the nozzle 2mm to 10 mm from the surface, sandblasting is most effective using continuous overlapping sweeps rather than fast erratic movements. - A surface should appear evenly etched with dull texture for optimal results. Indications: - Pit & Fissure preparation. - Tough stain remover from grooves. - Crown, bridges, posts & other restorations roughened for maximum bond. - Existing Amalgam, composite and porcelain can be etched intra orally. - Intraoral porcelain repair and acrylic refacing . - Orthodontic bonds and brackets roughening and cement removal for reuse. - Denture repairs.