J Korean Acad Prosthodont.  2019 Oct;57(4):350-355. 10.4047/jkap.2019.57.4.350.

Complete denture making in a patient of partial glossectomy using polished surface impression taking and direct metal laser sintering method: A case report

• Jung YW
• Lee GJ
• Kim HJ

• KMID: 2461141
• DOI: http://doi.org/10.4047/jkap.2019.57.4.350

Abstract

For the success of complete denture, three essential requirements such as retention, stability and support are needed. Moreover, due to the absorption of residual ridge and scarring due to the surgery, when making a complete denture, which is difficult to form the mandibular lingual margins, various considerations such as the arrangement of the Non-anatomical dl non-anatomical teeth, the polished surface impression, the internally weighted metal framework and the use of the denture adhesive cream are necessary. In this case report, the patient has a severely resorbed edentulous ridge from severe periodontitis and has some soft tissue problems after the glossectomy due to tongue cancer. To obtain additional retention and stability, some trials such as polished surface impression taking, internally weighted metal insertion and minimal pressure impression were done for the better result. Moreover To make a metal framework that precisely shapes the desired three-dimensional shape and reduces the complicated process, minimal pressure impression method and direct metal laser sintering technique were used.

Keyword

Partial glossectomy; Polished surface impression; Direct metal laser sintering

MeSH Terms

Absorption
Adhesives
Cicatrix
Denture, Complete*
Dentures
Glossectomy*
Humans
Methods*
Periodontitis
Tongue Neoplasms
Tooth
Adhesives

Figure

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  Fig. 1 Intraoral photo after extraction of lower teeth. (A) Upper arch, (B) Lower arch, (C) Frontal view.

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  Fig. 2 Panoramic radiograph on first visit.

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  Fig. 3 Panoramic radiograph after extraction of lower teeth.

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  Fig. 4 Functional impression by silicone impression material.

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  Fig. 5 Non-anatomical dl non-anatomical teeth arrangement in wax denture.

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  Fig. 6 Polished surface impression and CAD design. (A) Ledge at left lingual side for stability, (B) Wax denture scan file, (C) Master cast and wax denture design interface.

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  Fig. 7 Internally weighted metal design for Direct metal laser sintering. (A) Metal-framework design, (B) Framework after sintering, (C) Framework inserted into denture.

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  Fig. 8 Denture delivery.

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