** Shares of SDI SDI.AX rise as much as 48% to A$1.31, their highest level since early February 2005
** Stock set for its strongest trading session in 26 years
** Dental tech co says it is to be acquired by Beijing Guoci Kebo Technology, unit of Shandong Sinocera Functional Material 300285.SZ
** SDI shareholders to get A$1.40 per share, a 58.2% premium to stock's last close
** Co's board unanimously recommend shareholders vote in favour of scheme
** Stock up 39.9% YTD, including session's moves
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))