: 25 , - 850 , . . : « » : . 9 : 850 ; ; ; ; . "", (2001 .) " ", (2002 .) " " (2007 .) " -" (2008 .) " "Megadenta Dentalprodukte GmbH" (2010 .) " . " (2011 .) " - " (2011 .) " - " (2014 .) " , " (2019 .) " DIRECT POSTERIOR" (2021 .)