Adjusting to the recommended speed and set the polisher in the best condition to gain the best result.
First step: Recommended speed 15000-20000/min.According to the areas needed to trim,choose different shapes of diamond Burs(HP) to finish the surface of the porcelain crown.
Second step: Recommended speed 12000-15000/min. According to the areas needed to polish, choose different shapes of gray silicone polishers to make the surface smooth.
Third step: Recommended speed 10000-12000/min. According to the areas needed to polish, choose different shapes of yellow rubber diamond polishers for fine polishing to make the surface smoother and high gloss.