Oral rehabilitation with magnetic overdentures for an old patient with complex systemic diseases

Eunjin Ko; Sujin Ahn; Sukwon Lee; Sujung Park; Richard Sungbok Lee

doi:10.4047/jkap.2015.53.2.150

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Ko, Ahn, Lee, Park, and Lee: Oral rehabilitation with magnetic overdentures for an old patient with complex systemic diseases

Case Report

J Korean Acad Prosthodont 2015;53(2):150-156.

Published online: 9 February 2015

DOI: https://doi.org/10.4047/jkap.2015.53.2.150

Oral rehabilitation with magnetic overdentures for an old patient with complex systemic diseases

Eunjin Ko, Sujin Ahn, Sukwon Lee, Sujung Park, Richard Sungbok Lee^∗

Department of Biomaterials and Prosthodontics, Kyung-Hee University Dental School Hospital at Gang-dong, Seoul, Republic of Korea

^∗Corresponding Author: Richard Sungbok Lee Department of Biomaterials and Prosthodontics, Kyung-Hee University Dental School Hospital at Gang-dong, Dongnamro 892, Gangdong-gu, Seoul 134-727, Republic of Korea +82 2 440 7518: e-mail, sbykmw@yahoo.co.kr

Received 13 January 20152 April 2015 Accepted 9 April 2015

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

As dental implant treatment becomes popular for both partial and complete edentulous patients, old people with complex systemic diseases also tend to prefer implant-assisted-overdenture or implant-supported-fixed prostheses to conventional complete denture. In this case, 77-year-old female who was on medication for hypertension and osteoporosis and paralyzed on right side due to stroke visited for implant-assisted-overdenture on lower jaw. After oral and radiographic examination, root-assisted magnet overdenture on upper jaw and implant-assisted magnet overdenture on lower jaw are planned. Consequently, overdentures using self-adjusting magnetic attachment(SA) system on both jaws resulted in recovering satisfying function and retention, which is enable to insert and remove with only one hand.

Keywords: Systemic diseases, Stroke, Osteoporosis, Overdenture, Magnet

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Fig. 1.

Panoramic radiograph on first visit.

Fig. 2.

Intraoral photos on first visit. (A) Upper, (B) Front, (C) Lower.

Fig. 3.

(A) Magnetic keepers on implants (Magden; Shinwon Dental., Inc, Seoul, Korea), (B) Root keepers (Magfit-RK; Aichi Steel Corp, Tokai-shi, Japan) on endodontically treated roots and resin build-up in dome shape.

Fig. 4.

Metal frame with housing for magnet assembly space. (A) Upper, (B) Lower.

Fig. 5.

Mounting on articulator, showing severe alveolar bone resorption and asymmetry.

Fig. 6.

Wax-denture try-in.

Fig. 7.

Radiographs on 3 months after implant placement and extraction. (A) Endodontically treated roots with Root Keepers (Magfit-RK; Aichi Steel Corp, Tokai-shi, Japan) on upper jaw, (B, C) Implants (Magden; Shinwon Dental., Inc, Seoul, Korea) with magnetic keepers on lower jaw.

Fig. 8.

Final dentures with magnet assemblies. (A) Upper denture, (B) Lower denture.

Fig. 9.

A patient was satisfied with both dentures with function and acceptable retention even when wide opening. (A) smiling, (B) wide opening.

Fig.10.

Radiographs on 5 months after final prosthesis delivery. (A) Resin coping was built up again due to dental caries on residual roots. PDL space widening on #12 was reduced. (B, C) Implants are intact.

Fig. 11.

Mechanics of self-adjusting magnetic attachment (Magfit-SX; Aichi Steel Corp, Tokai-shi, Japan) (A) Time of insertion. Vertical movement allowance of up to 0.4 mm, (B) In vertical dimension, (C) Rotation up to 8 degrees.¹³

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