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J Korean Acad Prosthodont. 2017 Jan;55(1):46-52. Korean.
Published online Jan 25, 2017.  https://doi.org/10.4047/jkap.2017.55.1.46
© 2017 The Korean Academy of Prosthodontics
Reinforcement of provisional restoration with cast metal framework: A case report
Hyun-Young Kim,1 Yoon-Hee Moon,2 and Jong-Hyuk Lee1
1Department of Prosthodontics, College of Dentistry, Cheonan, Republic of Korea.
2School of Health Sciences, Dankook University, Cheonan, Republic of Korea.

Corresponding Author: Jong-Hyuk Lee. Department of Prosthodontics, College of Dentistry, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan 31116, Republic of Korea. +82 (0)41 550 1975: Email: hyuk928@chol.com
Received June 02, 2016; Revised August 26, 2016; Accepted September 12, 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

Provisional restoration plays an important role in the process of restoration with fixed partial denture by providing protection and restoring function and esthetics of abutment tooth. This is especially true in patients requiring use of provisional prosthesis for a long term. However, such situations may lead to higher possibility of provisional prosthesis fracture, and if expected so, reinforcement of provisional prosthesis should be considered. In this article, a patient requiring prosthetic treatment with increase of vertical dimension of occlusion was introduced. Due to increased vertical dimension of occlusion, the provisional restoration was expected to withstand relatively larger amount of load during a relatively long observation period. In order to minimize possible occurrence of fracture, reinforcement of the provisional restoration was sought by insertion of cast-metal framework and by using bis-acryl resin. The reinforced provisional restoration showed satisfactory results during the observation period of 4 months.

Keywords: Dental Restoration; Temporary; Acrylic Resins; Dental Casting Technique; Vertical Dimension

Figures


 Fig. 1
Preoperative extraoral view.
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Fig. 2
Preoperative cephalometric view.
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Fig. 3
Preoperative intraoral view. (A) Occlusal view of maxilla, (B) Lateral view (right side), (C) Frontal view, (D) Lateral view (left side), (E) Occlusal view of mandible.
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Fig. 4
Preoperative panoramic view.
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Fig. 5
Extra oral view after increase of vertical dimension of occlusion.
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Fig. 6
Cephalometric view after increase of vertical dimension of occlusion.
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Fig. 7
Diagnostic wax-up. (A) Lateral view (right side), (B) Frontal view, (C) Lateral view (left side).
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Fig. 8
Template for provisional restoration positioned on the cut-back wax-up model.
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Fig. 9
Fabrication of cast metal framework. (A) Positioning of 15-gauge wax on the cut-back wax-up model, (B) Finished cast metal framework.
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Fig. 10
Fabrication of provisional restoration intraorally with the prepared template.
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Fig. 11
Completed provisional restoration. (A) Occlusal view of maxilla, (B) Frontal view, (C) Occlusal view of mandible.
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Fig. 12
Provisional restoration after use for 4 months. (A) Frontal view, (B), Occlusal view.
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References
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ORCID iDs

Yoon-Hee Moon
https://orcid.org/http://orcid.org/0000-0003-3926-5738

Jong-Hyuk Lee
https://orcid.org/http://orcid.org/0000-0003-1976-4089

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