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What are the scanning and impression requirements for digital and analog Locator Fixed workflows?

Both digital and analog workflows have specific requirements for optimal results:

Digital Scanning Requirements:

  • Standard scans: Arch, existing dentures (upper/lower), occlusion, current dentures
  • Scan bodies: Tan, flat, autoclavable components that fit over locators
  • Stocking recommendation: Offices doing frequent scanning should keep scan bodies on hand
  • Lab coordination: Contact the lab to confirm specific scan requirements for each case

Analog Impression Requirements:

  • Lab processing: Use impression copings ("wine glasses") over locators
  • Office processing: Use white spacers around locators for blockout
  • Wash impression: Standard technique with appropriate impression material
  • Passive fit: All components are designed for a passive relationship with locators

Pickup Impressions: When copying existing dentures, the approach depends on the processing location:

  • Office processing: Spacers block out locator sites
  • Lab processing: Impression copings capture the exact locator position

Critical Insight: This workflow distinction is often the most confusing aspect of removables - offices must understand the workflow based on their preferred processing method.

Additional Resources

For more information concerning the ZEST Locator Fixed:

Contact Information

For help with a Locator Fixed solution for your next case, contact ROE Dental Laboratory: