Implant supported prosthetic rehabilitation of severely atrophic mandible with fixed detachable prosthesis

Hak-Joo Lee; Young-Jun Lim; Ho-Beom Kwon; Myung-Joo Kim

doi:10.4047/jkap.2017.55.2.180

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Lee, Lim, Kwon, and Kim: Implant supported prosthetic rehabilitation of severely atrophic mandible with fixed detachable prosthesis

Case Report

J Korean Acad Prosthodont 2017;55(2):180-186.

Published online: NaN April 2017

DOI: https://doi.org/10.4047/jkap.2017.55.2.180

Implant supported prosthetic rehabilitation of severely atrophic mandible with fixed detachable prosthesis

Hak-Joo Lee, Young-Jun Lim, Ho-Beom Kwon, Myung-Joo Kim^∗

Department of Prosthodontics, School of Dentistry, Seoul National University, Seoul, Republic of Korea

∗Corresponding Author: Myung-Joo Kim Department of Prosthodontics, School of Dentistry, Seoul National University 101 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea +82 (0)2 2072 2661: e-mail, silk1@snu.ac.kr

Received 25 August 201612 September 2016 Accepted 21 September 2016

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Implant supported prostheses have improved the quality of lives of totally edentulous patients. However, there are some limitations on the number of implants related to the residual bone level or the economic concern and so on. In this situation, applying fixed detachable prosthesis with bilateral cantilevers can be considered. This clinical report describes implant supported prosthetic rehabilitation of a patient with severe bone resorption. The patient was satisfied and felt comfortable with upper complete denture and lower fixed detachable prosthesis. (J Korean Acad Prosthodont 2017;55:180-6)

Keywords: Implant, Distal cantilever, Fixed detachable prosthesis

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Fig. 1.

Initial intraoral photographs. (A) Upper occlusal view, (B) Frontal view, (C) Lower occlusal view.

Fig. 2.

Panoramic radiograph at first visit.

Fig. 3.

Surgical guide was fabricated for the computer-guided implant surgery.

Fig. 4.

Cantilever prosthesis was designed according to the guidelines related to cantilever length and A-P spread.

Fig. 5.

Maxillary complete denture and mandibular fixed provisional prosthesis were delivered.

Fig. 6.

Titanium-milled framework was fabricated by CAD/CAM system. (A) scanned image (B) titanium-milled framework (C) zirconia-based suprastructures (D) definitive prosthesis.

Fig. 7.

Maxillary posterior artificial teeth were modified to have gold occlusal surfaces by conventional lost-wax technique. Casted prostheses were cemented with resin cement. (A) tooth preparation for gold onlay (B) wax-up state.

Fig. 8.

Esthetics and function were restored with the definitive prostheses. (A) Upper occlusal view, (B) Lateral view (right), (C) Frontal view, (D) Lateral view (left), (E) Lower occlusal view, (F) Panoramic radiograph.

Fig. 9.

Maintenance care was performed periodically.

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