J Korean Acad Prosthodont.  2018 Oct;56(4):375-383. 10.4047/jkap.2018.56.4.375.

Distal-extension removable partial denture with anterior implant supported fixed prostheses in a maxillary edentulous patient: Case report

• Gwon B
• Jeon YC
• Jeong CM
• Yun MJ
• Lee SH
• Huh JB

• KMID: 2424040
• DOI: http://doi.org/10.4047/jkap.2018.56.4.375

Abstract

Clinicians are faced with many difficulties when planning prosthodontic restorations with implants in a complete edentulous patient. When planning fixed implant prosthetics, it is often necessary to have additional surgery due to highly reduced alveolar bone, as well as high treatment costs and long-term treatment durations can be required. In addition, lack of interocclusal space can be a problem when planning implant supported overdentures. In this study, we planned to place a small number of implants on the anterior maxilla and used them as the abutments for distal-extension removable partial dentures on the posterior side in a maxillary fully edentulous patient. This would reduce the possibility of additional invasive operations such as alveolar bone graft, shorten the treatment time, and be relatively easy for elderly patients to burden. In this case, the patient was provided with a distal-extension removable partial denture and anterior implant fixed prostheses, which was similar to the previous one, and showed good adaptation, and chewing efficiency and esthetics was recovered.

Keyword

Implant-assisted removable partial denture; Zirconia surveyed crown; Implant-retained removable partial denture

MeSH Terms

Aged
Denture, Overlay
Denture, Partial, Removable*
Esthetics
Health Care Costs
Humans
Mastication
Maxilla
Prostheses and Implants*
Transplants

Figure

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  Fig. 1 Panoramic radiograph. (A) at first visit, (B) after implant installation.

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  Fig. 2 (A) Three implants were placed in the upper jaw. (B) Abutment teeth were prepared in the lower jaw.

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  Fig. 3 Temporary restoration using old dentures. (A) occlusal view of maxilla and (B) mandible.

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  Fig. 4 (A) Maxillary and (B) mandibular master casts were fabricated.

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  Fig. 5 (A) Maxillary, (B) mandibular occlusal rims on the final cast, (C) Facebow transfer.

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  Fig. 6 Provisional restorations and diagnostic arrangement. (A) in the maxilla and (B) the mandible.

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  Fig. 7 Provisional restorations and jaw relation verification.

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  Fig. 8 Zirconia definitive prostheses and diagnostic arrangement. (A) in the maxilla and (B) the mandible.

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  Fig. 9 Zirconia definitive prostheses and temporary dentures.

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  Fig. 10 (A) Maxillary and (B) mandibular impressions for the distal extension removable partial dentures.

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  Fig. 11 Metal framework try-in and bite registration.

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  Fig. 12 Definitive removable partial dentures for (A) the upper jaw and (B) the lower jaw.

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  Fig. 13 Definitive restorations: Anterior implant-supported fixed prostheses and distal extension RPDs. (A) in the upper jaw and (B) the lower jaw.

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  Fig. 14 Panoramic view at the first 1-year recall check after delivery of the definitive restorations.

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  Fig. 15 Intraoral view at the first 1-year recall check after delivery of the definitive restorations.

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