Full-mouth rehabilitation with CAD/CAM monolithic zirconia in dentinogenesis imperfecta: a case report

Min-Kyoo Kim; Sung-Hun Kim; Jai-Bong Lee; Jung-Suk Han; In-Sung Yeo; Seung-Ryong Ha

doi:10.4047/jkap.2014.52.4.317

Journal List > J Korean Acad Prosthodont > v.52(4) > 1034799

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Kim, Kim, Lee, Han, Yeo, and Ha: Full-mouth rehabilitation with CAD/CAM monolithic zirconia in dentinogenesis imperfecta: a case report

Case Report

J Korean Acad Prosthodont 2014;52(4):317-323.

Published online: 9 February 2014

DOI: https://doi.org/10.4047/jkap.2014.52.4.317

Full-mouth rehabilitation with CAD/CAM monolithic zirconia in dentinogenesis imperfecta: a case report

Min-Kyoo Kim¹, Sung-Hun Kim^1,^∗, Jai-Bong Lee¹, Jung-Suk Han¹, In-Sung Yeo¹, Seung-Ryong Ha²

¹Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea

²Department of Dentistry, Ajou University, School of Medicine, Suwon, Republic of Korea

^∗Corresponding Author: Sung-Hun Kim Department of Prosthodontics and Dental Research Institute, School of Dentistry, Seoul National University, 275-1, Yeongeon-dong, Jongno-gu, Seoul, 110-768, Republic of Korea +82 2 2072 2661: e-mail, ksh1250@snu.ac.kr

Received 10 June 201414 July 2014 Accepted 21 July 2014

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

Dentinogenesis Imperfecta, with a high incidence rate of 1 : 6 - 8000, is inherited by autosomal dominant genetic transmission. This dental disorder causes discoloration of the teeth and the enamel and dentin show hypoplastic or hypocalcified defects which lead to frequent fractures and rapid attrition. Therefore, timely treatment is necessary for the preservation of the remaining teeth. In this particular case, a 19-year-old patient suffering from Type 1 dentinogenesis imperfecta showed signs of brownish hued teeth with multiple fractures, a loss of vertical dimension, excessive interdental space in the maxillary anterior teeth, and a lack of 5 posterior teeth. To improve the esthetic appearance of the anterior teeth, the vertical dimension was increased. Resin caps were used to alleviate the difficulty of taking an impression of multiple teeth at once. Monolithic zirconia materials used in this case showed high fracture strength and the ability to mask the discoloration of the teeth and therefore, functionally and esthetically favorable results were achieved.

Keywords: Denntinogenesis imperfecta, Zirconia, Full-mouth rehabilitation

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Fig. 1.

Initial radiographs of the patient. (A) Panoramic radiograph, (B) Right TMJ panorama, (C) Left TMJ panorama.

Fig. 2.

Initial intraoral photographs. (A) Maxillary occlusal view, (B) Frontal view, (C) Mandibular occlusal view.

Fig. 3.

Provisional Prostheses. (A) Maxillary occlusal view, (B) Lateral view (right), (C) Frontal view, (D) Lateral view (left), (E) Mandibular occlusal view.

Fig. 4.

Pick up impression using Resin caps. (A) Fabrication of the resin caps, (B) Checking for the fitness of the resin caps in oral cavity, (C) Pick-up impression, (D) Separation dies, (E) Positioning of the separation dies into the resin caps, (F) Fabrication of the working cast.

Fig. 5.

Intra oral photographs after the placement of definitive prostheses (CAD/CAM monolithic zirconia). (A) Maxillary occlusal view, (B) Lateral view (right), (C) Frontal view, (D) Lateral view (left), (E) Right working movement, (F) Mandibular occlusal view, (G) Left working movement.

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