J Korean Acad Prosthodont.  2021 Jan;59(1):146-152. 10.4047/jkap.2021.59.1.146.

Accuracy of conventional and digital mounting of dental models: A literature review

  • 1Department of Prosthodontics, Gangnam Severance Dental Hospital, School of Dentistry, Yonsei University, Seoul, Republic of Korea
  • 2Department of Prosthodontics, School of Dentistry, Yonsei University, Seoul, Republic of Korea


Accurate transfer of the maxillo-mandibular relationship to an articulator (i.e., mounting) is critical in prosthetic treatment procedures. In the current study, a PubMed search was performed to review the influencing factors for the maxillo-mandibular relationship’s accuracy. The search included digital mounting as well as conventional gypsum cast mounting. The results showed that a greater amount of displacement was introduced during positioning the maxillary and mandibular models to interocclusal records rather than the dimensional change of registration material. Most intraoral scanners resulted in an accurate reproduction of the maxillo-mandibular relationship for posterior quadrant scanning; however, the accuracy was declined as the scan area increased to a complete arch scan. The digital mounting accuracy was also influenced by the image processing algorithms and software versions, especially for complete arch scans.


Accuracy; Dental models; Mounting; Virtual mounting
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