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Updated: Jun 24, 2025
A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
Published on: April 8, 2020
Locating centric occlusion by using intraoral scanners and open access or dental computer-aided design programs: A
Marta Revilla-León1, Panagiotis Ntovas2, John C Kois3
1Affiliate Assistant Professor, Graduate Prosthodontics, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash.; Faculty and Director, Research and Digital Dentistry, Kois Center, Seattle, Wash.; and Adjunct Professor, Department of Prosthodontics, School of Dental Medicine, Tufts University, Boston, Mass.
Abstract:
When using conventional methods, centric occlusion (CO) can be determined on conventional gypsum casts that are mounted in an analog articulator at centric relation (CR). In the digital environment, intraoral scanners (IOSs) can be used to record maxillary and mandibular scans articulated in CR. However, a digital protocol to locate the CO on articulated intraoral digital scans at CR by using computer-aided design (CAD) programs is needed. The present manuscript describes a straightforward technique to record CR by combining an IOS and a Kois deprogrammer. Afterwards, the acquired digital data are imported into a CAD program to locate CO. The technique includes a complete digital protocol to locate CO by using 3 different CAD programs: open-access non-dental, open-access dental, and dental CAD program.
