Clinical experiences of digital model surgery and the rapid-prototyped wafer for maxillary orthognathic surgery

Bong Chul Kim, Chae Eun Lee, Wonse Park, Moon Key Kim, Piao Zhengguo, Hyung Seog Yu, Choong Kook Yi, Sang Hwy Lee

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Objective: The aim of this study was to present our clinical experience regarding the production and accuracy of digitally printed wafers for maxillary movement during the bimaxillary orthognathic surgery. Study design: Fifty-five consecutive patients requiring maxillary orthognathic surgery were included in this study. The plan for digital model surgery (DMS) was dictated by the surgical plans for each clinical case. We carried out digital model mounting, DMS, wafer printing, and confirmation of the accuracy of the procedure. Results: Moving the reference points to the target position in DMS involved a mean error of 0.00-0.09 mm. The mean errors confirmed by the model remounting procedure with the printed wafer by DMS were 0.18-0.40 mm (for successful cases; n = 42) and 0.03-1.04 mm (for poor cases; n = 3). Conclusion: The accuracies of the wafers by DMS were similar to those for wafers produced by manual model surgery, although they were less accurate than those produced by DMS alone. The rapid-prototyped interocclusal wafer produced with the aid of DMS can be an alternative procedure for maxillary orthognathic surgery.

Original languageEnglish
Pages (from-to)278-285.e1
JournalOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
Volume111
Issue number3
DOIs
Publication statusPublished - 2011 Mar

Bibliographical note

Funding Information:
Supported by the grants from the Korea Healthcare Technology R&D Project , Ministry for Health, Welfare and Family Affairs, Republic of Korea ( A080006 ), Korea Research Foundation grant ( 8-2004-0034 ), Priority Research Centers Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Science and Technology ( 2009-0094030 ), and the Basic Research Program of the Korea Science and Engineering Foundation ( R01-2006-10203 ; L.-S.H).

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology
  • Dentistry(all)

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