From the mid-1980s,PIM process had been used to produce dental brackets. Not until the early-1970s,was the stainless steel dental bracket formed by welding. PIM tray in small size and new material binder allowed dental brackets could be clung to each teeth individually.
316L and 17-4PH are frequently-used materials in stainless steel,non-nickle material starts a trend of using austenitic stainless steel.
The special designs of dental bracket could make it to own enough combining power,there some couples of factory are make this device,the production output of each factory is more than 250 thousand pieces/d. As a typical unit part,its weight is less than 0.1g, the cost of each bracket is 0.08-0.60 USD,normally the retained profits could reach 50%.considering the package and sell,the cost will be higher,annual output value of orthodontic PIM products is over 60 million USD