In collaboration with the Department of Prosthodontics, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania

When a 27-year-old patient presented with a crown fracture of tooth 25, the upper left second premolar, the clinical team at Victor Babeș University faced a familiar yet demanding restorative challenge: a compromised premolar requiring endodontic retreatment, a custom post-and-core restoration, and a definitive zirconia crown — within a digitally supported restorative workflow.

This case, completed at the Department of Prosthodontics under the university's collaboration with UP3D, demonstrates how the Clariscan UP610 intraoral scanner integrates into a real-world restorative workflow — from the first scan for post-and-core fabrication through to the final crown delivery.

Patient Presentation

The patient, a 27-year-old female, presented with a crown fracture of tooth 25, the upper left second premolar.. Clinical and radiographic examination — including panoramic radiography and CBCT imaging — confirmed the need for a comprehensive treatment approach.

The treatment plan included:

• Removal of the fractured restoration and assessment of the remaining tooth structure
• Endodontic retreatment with an apical MTA plug
• Digital impression for a customized post-and-core
• A second digital impression for the definitive crown restoration

Panoramic radiograph confirming the clinical situation on tooth 25.

First Chairside Digital Impression: Scanning for the Post-and-Core Restoration

After completing the endodontic retreatment, the clinical team used the UP610 to capture a digital impression of the prepared tooth for the customized post-and-core.

This is where the UP610's extended depth of field became particularly relevant to the post-and-core workflow. Capturing an endodontically treated tooth for a post-and-core restoration requires stable data capture around the canal entrance, visible internal preparation geometry, margins, and remaining tooth structure. The extended depth of field helped the team maintain scan continuity across the prepared tooth, canal entrance, and surrounding coronal structure, supporting the capture of margin areas required for post-and-core design.

Full arch scan, showing true-color rendering and integrated workflow options.

The UP610's true-color rendering provided a realistic visualization of the scanned dentition, helping the clinical team assess the preparation and surrounding soft tissue conditions directly on screen. The lateral view helped the clinical team review the marginal areas and surrounding soft tissue conditions in the premolar region where the post-and-core restoration would be placed.

Lateral true-color view of the scanned dentition, showing detailed capture of the tooth 25 preparation area and surrounding soft tissue.

The occlusal view revealed the full upper arch geometry, while a close-up of tooth 25 clearly showed the canal opening and prepared tooth structure — showing the canal entrance and visible internal preparation features needed for the post-and-core design.

Upper arch occlusal scan (left) and detailed view of the prepared tooth 25 (right), showing the canal entrance and prepared tooth structure captured for post-and-core design.

To verify data completeness before proceeding to CAD/CAM design, the team used a silicone impression overlay within the scanning software. The green areas represent the light-body silicone impression material, allowing the clinician to cross-check scan completeness and data coverage in the critical post preparation area.

Scan data verification with silicone impression overlay, used to assess data coverage in the post preparation area.

The scan data was exported through the Soreal software platform for downstream CAD/CAM design and fabrication, reducing repeated data handling between workflow steps. The custom post-and-core restoration was designed and milled from a 3M Lava Ultimate nano-ceramic resin block (A2-HT/14L).

3M Lava Ultimate nano-ceramic block (left) and the custom-milled post-and-core (right).

Post and Core Cementation

Post-and-core cementation sequence using G-CEM ONE self-adhesive protocol.

The custom post-and-core restoration was cemented using a self-adhesive protocol with G-CEM ONE (GC). After fit verification and complete seating, the tooth was ready for the second chairside digital impression.

Second Chairside Digital Impression: Scanning for the Definitive Crown

With the post-and-core cemented in place, the UP610 was used a second time to capture the updated preparation for the definitive crown. At this stage, the scan needed to capture the updated preparation, adjacent teeth, and occlusal references required for definitive crown design.

The scan data was again processed through the Soreal platform and sent directly to the CAD/CAM workflow. The definitive crown was milled from a Katana Zirconia Block STML A2 (Kuraray Noritake).

Katana Zr STML zirconia crown — from block selection through primer application to final cementation using G-CEM ONE self-adhesive protocol.

The crown was cemented using the same self-adhesive protocol (G-CEM ONE, GC), completing the digitally supported restorative workflow — from the first chairside scan for the post-and-core restoration through to definitive crown delivery.

Clinical Outcome

The final result delivered both functional integrity and natural aesthetics. The zirconia crown on tooth 25 showed a clinically acceptable marginal fit, stable occlusal contacts, and aesthetic shade integration with the adjacent dentition.

The before-and-after images demonstrate the functional and aesthetic improvement achieved through the digitally supported restorative workflow.

Final result: intraoral view of the completed zirconia crown on tooth 25 (top), and patient smile before and after treatment (bottom).

Key Takeaways for Practitioners

Digital workflow, real clinical context. This case was completed in a university prosthodontics department — not a controlled demo environment. The UP610 was used by residents under faculty supervision in a real clinical setting with real patient variables.

Two chairside scans, one restorative sequence. The UP610 was used twice in the same case — first for the post-and-core impression, then for the crown impression — showing how one scanner can support different restorative scanning stages.

Depth of field matters for post-and-core cases. Scanning endodontically treated teeth with deep canal preparations is one of the more demanding tasks for any intraoral scanner. The UP610's extended depth of field supported data capture around the canal entrance, visible internal preparation geometry, and margin areas in this post-and-core case.

Integrated data transfer through Soreal. The Soreal platform supported scan data management, order creation, and communication with the downstream CAD/CAM workflow within a single interface.

About This Collaboration

This clinical case is part of an ongoing academic collaboration between UP3D and the Department of Prosthodontics at Victor Babeș University of Medicine and Pharmacy (UMFVBT) in Timișoara, Romania. Under the guidance of Professor Anca Jivănescu, the department has integrated the Clariscan UP610 into clinical and educational activities, generating real-world experience with digital scanning across prosthodontic applications.

Want to explore how the Clariscan UP610 can support your digital restorative workflow? Contact UP3D to learn more or request a demo.

Clinical images courtesy of the Department of Prosthodontics, UMFVBT. Patient consent obtained. All patient-identifiable information has been anonymized.