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Simple Duplication Technique of Complete Denture Using an Intraoral Scanner
Yutaro Oyamada1, Yu Yonezawa1, Hisatomo Kondo1
1Department of Prosthodontics and Oral Implantology, School of Dentistry, Iwate Medical University, Morioka, Japan.
Summary
A new method simplifies duplicate denture fabrication using intraoral scanning and 3D printing. This technique avoids complex laboratory procedures and advanced software for creating accurate denture replicas.
Area of Science:
- Dentistry
- Biomaterials Engineering
- Digital Fabrication
Background:
- Traditional methods for duplicating complete dentures can be complex and time-consuming.
- Existing techniques often require specialized laboratory equipment and advanced computer-aided design (CAD) software.
- There is a need for more accessible and streamlined methods for denture duplication.
Purpose of the Study:
- To introduce a novel, simplified workflow for fabricating duplicate complete dentures.
- To evaluate the efficacy of using intraoral scanning and 3D printing for denture duplication.
- To reduce the complexity and resource requirements associated with creating denture replicas.
Main Methods:
- Intraoral scanning of the cameo and intaglio surfaces of an existing complete denture.
- Superimposing the scanned images with an interocclusal record using free CAD software.
- Utilizing the combined digital data to fabricate a duplicate complete denture via 3D printing.
Main Results:
- The described method successfully created duplicate complete dentures.
- The process was streamlined, eliminating the need for laboratory scanners or complex CAD software.
- Intraoral scanning proved effective for capturing necessary denture surface data.
Conclusions:
- This novel technique offers a simplified and accessible approach to complete denture duplication.
- The integration of intraoral scanning, free CAD software, and 3D printing provides a viable alternative to traditional methods.
- Further research may explore the clinical accuracy and long-term outcomes of 3D-printed duplicate dentures.

