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Original Research

Open Access

Computer-designed surgical templates improve the extraction of impacted supernumerary teeth in the hard palate

  • Yueyuan Yu1
  • Ying Liao2
  • Jinjing Guo1
  • Yunlin Zhang1
  • Manizha Khan3
  • Xingnan Lin1,*,

1School/Hospital of Stomatology, Zhejiang Chinese Medical University, Hangzhou 310000, Zhejiang, China

2Department of Pediatric Dentistry, Nanjing Stomatological Hospital, Medical School of Nanjing University, China

3Faculty of Stomatology, Herat University, Afghanistan

DOI: 10.22514/jocpd.2022.005 Vol.46,Issue 5,September 2022 pp.38-43

Published: 01 September 2022

*Corresponding Author(s): Xingnan Lin E-mail: 20211004@zcmu.edu.cn

Abstract

Objectives: The surgical procedure of bony impacted supernumerary teeth (SNT) in hard palate is commonly done with poor visualization and uncomfortable posture. This study aims to introduce our primary practice of presurgical evaluation and guiding exodontia of bony impacted super-numerary teeth (SNT) in the hard palate to reduce surgical trauma, duration and uncertainty. Study design: Twelve patients with impacted supernumerary teeth in hard palate were included. Intraoral scan and the three-dimensional (3D) reconstruction of the cone beam computed tomog-raphy (CBCT) file was superimposed, and virtual simulation of flap elevation and osteotomy was conducted on the rebuilt 3D model. A couple of surgical templates were designed with surgical planning software Mimics, fabricated by a 3D printer and were used to guide the extraction of the impacted SNT. Results: The surgical templates fitted well to the teeth and operation site. All the impacted SNTs were accurately located and extracted without damaging the adjacent vital anatomical structures. All patients had an uneventful postoperative recovery without infection or sensory disturbance. Conclusions: The application of 3D printed surgical templates reduced trauma and increased the accuracy and predictability of surgical extraction of bony impacted SNT in hard palate. The results of this study increased the accuracy and predictability of surgical extraction of bony impacted SNT in hard palate, and reduced the surgeon’s embarrassment and surgical trauma because of location difficulty.


Keywords

3D printing; Surgical template; Impacted supernumerary teeth; Hard palate


Cite and Share

Yueyuan Yu,Ying Liao,Jinjing Guo,Yunlin Zhang,Manizha Khan,Xingnan Lin. Computer-designed surgical templates improve the extraction of impacted supernumerary teeth in the hard palate. Journal of Clinical Pediatric Dentistry. 2022. 46(5);38-43.

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