How do I keep my LandXML file edits from Trimble Business Center

Hello All,

I am using InRoads (SS2), MS V8i SS3 and Trimble Business Center v5.1. I use TBC for editing surfaces and use the export function for creating a LandXML file. I use the points and breaklines option, and import it into InRoads. The edits and my surface are not matching the TIN lines in TBC. It seems they get overwritten with the Triangulate function built within MS. Is there any way to not have this happen? Or convert it from a LandXML to a dtm file so I can keep the edits?

Thank you,

Victor