In the case of a mandibular full arch open tray impression for a bar on 5 or more dental implants, I was thinking that it would be a good idea to connect all the impression copings with Triad material (gel) before taking the impression, thus creating a verification jig which can be used to verify the accuracy of the poured master cast. Has anyone ever tried this? How has it worked out? How was the accuracy? Any better ideas? I would do anything to avoid having to cut the bar and reconnect at a later time. Thanks.