TORONTO--(BUSINESS WIRE)--dentalcorp Holdings Ltd. ("Dentalcorp†or the "Company†) (TSX: DNTL) announced today that the Company has received approval under the Investment Canada Act for its previously-announced plan of arrangement whereby a newly formed acquisition vehicle controlled by GTCR LLC ("GTCR†) will acquire all of Dentalcorp's issued and outstanding subordinate voting shares and multiple voting shares (collectively, the "Shares†) (other than certain Shares owned by Graham Rosenberg, t. ...