top worktops

When our Maia worktop was fitetd the kitchen fitter failed to seal arround the Frankie sink properly an we now has a 20mm crack at one corner at the back of the worktop. Could the sink be removed and edge of the wood be sealed and the surface routed out and filled with a repair kit?The reason I would prefer a repair is that to replace the Maia would mean taking the kitchen appaart as it goes into a corner with big unit at each end.We love the worktop as a productYoursJohn Nightingale