Virtual Evaluation For CAD-CAM-fabricated Complete Dentures
Virtual Evaluation For CAD-CAM-fabricated Complete Dentures
Virtual Evaluation For CAD-CAM-fabricated Complete Dentures
a
Laboratory Head, Department of Prosthetic Dentistry, Ludwig-Maximilians-University, Munich, Germany.
b
Associate Professor, Department of Prosthetic Dentistry, Ludwig-Maximilians-University, Munich, Germany.
c
Director, Department of Prosthetic Dentistry, Ludwig-Maximilians-University, Munich, Germany.
d
Associate Professor, Department of Prosthetic Dentistry, Ludwig-Maximilians-University, Munich, Germany.
Figure 3. A, Three scans to digitize extraoral clinical situation (neutral face, smiling face, face with cheek retractor, and placed IOR. B, Virtual alignment
of 3 face scan datasets. IOR, impression occlusal rim.
Figure 4. A, Stereolithography (STL) record of impression occlusal rim. B, STL record of maxilla. C, STL record of mandible.
TECHNIQUE
Figure 6. Virtual evaluation using 3D face scan. A, Left lateral view. B, Frontal view. C, Right lateral view.
Figure 8. Comparison of virtual evaluation and delivered prostheses shows predictability of described workflow.
10. Receive the virtual tooth arrangement data after 12. Receive the milled prostheses and finish and polish
CAD modeling and import them into the face them (Fig. 7).
scanner software. 13. Deliver both prostheses and carry out regular
11. Conduct a virtual evaluation of the digital tooth recall-appointments. (Fig. 8).
arrangement and carry out necessary modifications
step-by-step: optimize the midline and the posi-
DISCUSSION
tion of the occlusal plane versus the bipupillar line
and the Ala Tragus-Camper plane. Additionally, In the reported technique, the clinical workflow mostly
modify, if necessary, the anterior maxillary teeth in followed known methods, facilitating the approach in a
length and their position (Fig. 6). practice setting. The functional impression and max-
12. Order the computer numerical control fabrication of illomandibular relationship record were combined into a
the prostheses from the central fabrication center. single step, resulting in the IOR and complemented with