J Korean Acad Prosthodont.  2020 Jul;58(3):251-256. 10.4047/jkap.2020.58.3.251.

DMLS (Direct Metal Laser Sintering) denture repair technique for a removable partial denture: A case report

Affiliations
  • 1Department of Prosthodontics, School of Dentistry, Chosun University, Gwangju, Republic of Korea

Abstract

In recent years, digital technology has been developed in dentistry, which denture frameworks can be manufactured using DMLS (Direct Metal Laser Sintering) technique. A traditional impression method can be replaced by oral scanning and wax pattern production process can be achieved by the use of CAD/CAM techniques. The designed STL files can be sent to DMLS devices to fabricate final components of removable partial dentures (RPD). The advantages of digital dentistry are concision and precision. In this case study, a fracture of occlusal rests providing support and indirect retention was repaired by DMLS and laser welding techniques. It shows satisfactory results in adaptation accuracy and functional properties of the repaired denture.

Keyword

Direct Metal Laser Sintering (DMLS); Laser welding; Removable partial denture (RPD); Repair
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