Skip to content
Submit a Ticket
  • There are no suggestions because the search field is empty.

ArchBridge for Overdenture troubleshooting: what do you do when a scan or a component does not cooperate?

The design intent of ArchBridge for Overdenture is that problems surface at the appointment rather than at delivery. Incomplete capture, instability, interference between components, and reflection are each addressed by rescanning, reseating, changing geometry, or adjusting scanning conditions, all within the same appointment or laboratory session.

Troubleshooting table

Symptom Likely cause Correction
Scan body will not seat fully or feels unstable Processing Spacer not fully inserted, or a non-Zest spacer was used Confirm the white plastic is exactly even with the outer metal rim. Use only Zest P/N N2001657108. Replace the spacer with a new one if in doubt.
Adjacent scan bodies contact each other Geometry too long for the available space, or orientation is crowding a neighbor Change to a different ArchBridge geometry, or reorient the component along the ridge instead of toward the center of the arch. Leave a small visible gap.
Scanner cannot resolve or repeatedly loses the component Scan path was interrupted, or the round head was not fully captured Rescan continuously from the posterior most scan body to the contralateral side. Prioritize the full rounded head with the 45 degree bevel.
Blurred or duplicated geometry in the scan Double imaging from re-scanning an area already captured Do not re-scan completed areas. Restart the scan pass if double imaging has already occurred.
Excessive reflection off the component Scanning conditions The sandblasted titanium surface is designed to reduce reflection. Adjust scanning conditions and rescan.
Tissue detail appearing in the scan body scan Tissue was scanned during the scan body pass Do not scan tissue during the scan body scan. Tissue is captured on the separate abutment and tissue scan.
Difficulty capturing the 360 degree extraoral denture scan Prosthesis geometry or scanner limitation Use the ScanAnalog extraoral method: black processing inserts, ScanAnalogs seated shiny side into the denture, then scan bodies on the analogs.
Denture will not seat passively over new abutments Interference from newly placed abutments Relieve where necessary to achieve a full seat, and verify full seat before proceeding to the PVS wash.
Space, angulation, or adjacent anatomy blocks the component Anatomic constraint Change to a different ArchBridge model or reorient along the ridge. There is no need to abandon the digital workflow.

Verification checklist before you release the patient

  • Every Processing Spacer is fully seated and flush in its scan body
  • Every scan body is fully seated and stable on its abutment
  • No two scan bodies are touching, and a small visible gap is present
  • Each component is rotated toward the center of the arch, facing inward
  • The complete round head of every scan body is visible in the scan
  • No double imaging is present in the captured data
  • All required STL files have been captured

Do not proceed on data suspected of carrying inaccurate position information. Rescan instead.

When to contact ROE

If a scan cannot be resolved chairside, contact ROE before the patient is dismissed. Support options include dedicated phone numbers, email, online chat, text messaging, team chat, video chat, and online Q&A.

 

Additional Resources

For more information concerning ArchBridge for Overdenture:

  • ArchBridge for Overdenture product page
  • ArchBridge for Overdenture resource page
  • Video: Title here

Contact Information

For help with your next case, contact ROE Dental Laboratory: