Virtual Planning and Rapid 3D Prototyping Surgical Guide for Anterior Crown Lengthening Surgery: A Clinical Case Report

Progress with additive 3D printing is revolutionizing biomaterial manufacturing, including clinical dentistry and prosthodontics. Among the several 3D additive printing technologies, stereolithography is very popular as it utilizes light‐activated resin for precise resolution. A simplified digital t...

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Bibliographic Details
Published in:Journal of prosthodontics 2022-04, Vol.31 (4), p.275-281
Main Authors: Kim, Jaewon, Lin, Yu‐Chun, Danielak, Michael, Van, Minh, Lee, Du‐Hyeong, Kim, Hyeongil, Arany, Praveen R.
Format: Article
Language:English
Subjects:
3D Printing
Biomaterials
Case reports
Computed tomography
Computer-Aided Design
Crown Lengthening
Dental Implants
Dental prosthetics
Dentistry
digital crown lengthening
Humans
Printing, Three-Dimensional
Rapid prototyping
Stereolithography
surgical guide
Tomography
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Summary:Progress with additive 3D printing is revolutionizing biomaterial manufacturing, including clinical dentistry and prosthodontics. Among the several 3D additive printing technologies, stereolithography is very popular as it utilizes light‐activated resin for precise resolution. A simplified digital technique was used to fabricate two designs of a surgical guide for crown lengthening. Two cases are presented that utilized digital imaging and communications in medicine (DICOM) files obtained with computed tomography (CT) imaging and processed using four CAD software (Blue Sky Plan, Exocad, Meshmixer and 3D Slicer). The final models were converted to standard tessellation (STL) files and the guides were 3D printed with an additive stereolithography (SLA) printer. The first case was fabricated with a bone model from cone beam computed tomography (CBCT) data, and the second case was generated with intraoral and wax‐up scans alone. Both methods appear to be equally effective compared to using a conventional method of guide frabication. However, proximal bone reduction was a concern with both designs. Digitally fabricated 3D printed surgical guide for crown lengthening has merit and a practical design is needed for future clinical validation.
ISSN:1059-941X
1532-849X
DOI:10.1111/jopr.13471