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What records do I need for each CHROME GuidedSMILE case scenario?

Complete, high-quality records are the single most important factor in case turnaround — incomplete or poor records are the #1 cause of case delays, and roughly 80% of delayed cases trace back to records. CHROME guides are tooth- and/or tissue-supported, so the surgery is only as accurate as the models, scans, and bite you submit.

Every scenario requires the same six photographs and a completed GuidedSMILE CHROME Rx uploaded with your DICOM and photos. What changes between scenarios is the impression/cast set and the CBCT protocol (open-bite vs. dual scan).

Photographs (all scenarios): full-face full smile, full-face exaggerated smile, full-face profile (required if Class II or III), and retracted-in-occlusion views - center, left, and right.

Scenario Impressions / Casts CBCT protocol Bite Key notes
Dentate vs. Dentate (single or double arch) Maxillary & mandibular master casts or impressions; must capture the full vestibule of the CHROME arch Open bite — patient open-biting on cotton rolls or the scanner bite stick (cotton rolls between cheeks and teeth) CO or CR bite registration Teeth must be out of occlusion for model registration
Dentate vs. Denture — CHROME is the dentate arch (single) Master cast/impression of the dentate arch (capture vestibule) + impression of the denture's teeth and tissue Open bite — patient open-biting on cotton rolls / bite stick; place 6 radiopaque markers on the denture CO or CR Markers: SureMark or ~2 mm gutta-percha rounds
Dentate vs. Denture — CHROME is the edentulous arch (single) Master cast/impression of the dentate arch + impression of the denture's teeth and tissue Dual scan — patient closed, teeth together, not separated; 6 radiopaque markers on the denture CO or CR Denture must seat fully with no voids
Edentulous vs. Edentulous (double arch) Capture both dentures' teeth and tissue (analog or digital) Dual scan — patient closed, teeth together, not separated; 6 markers on the denture Worked out in the denture fabrication If bite is not pre-established, the lab can open a maximum of 3 mm

Dual-scan reminders (any edentulous/denture scenario):

  • Use 4–6 markers (6 preferred) placed randomly on the buccal/labial surfaces (teeth, pink, or tongue side). For gutta-percha, use a #8 round bur and bury ~1 mm deep.
  • Scan 1: denture/scan appliance in the mouth, in full equilibrated occlusion (no cotton rolls or stick bites). If the denture isn't flush to tissue, black voids appear and the scan is unusable.
  • Scan 2: the denture alone, resting on foam (never on a plastic or metal table, which ruins the scan). Markers must stay in the exact same positions between the two scans, or both must be redone.
  • A denture with a metal substructure causes scatter and cannot be used for the dual scan.

Export: CBCT data is exported as uncompressed, multi-slice DICOM (.DCM). Select raw data / multi-file / one-file-per-slice if offered, and a slice thickness of 0.3 mm or 0.4 mm. Zip the patient folder and upload with the photos and .STL files. Scan a complete arch — quadrant scans won't work for CT planning.

 

Additional Resources

For more information concerning CHROME GuidedSMILE:

 

Contact Information

For help with a digital denture solution for your next case, contact ROE Dental Laboratory: