Full mouth implant rehabilitation with double scanning of provisional restoration

Dong-Hun Yang; Hong-So Yang; Sang-Won Park; Hyun-Pil Lim; Kwi-Dug Yun; Mong-Sook Vang

doi:10.4047/jkap.2014.52.3.252

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Yang, Yang, Park, Lim, Yun, and Vang: Full mouth implant rehabilitation with double scanning of provisional restoration

Case Report

J Korean Acad Prosthodont 2014;52(3):252-257.

Published online: 9 February 2014

DOI: https://doi.org/10.4047/jkap.2014.52.3.252

Full mouth implant rehabilitation with double scanning of provisional restoration

Dong-Hun Yang, Hong-So Yang, Sang-Won Park, Hyun-Pil Lim, Kwi-Dug Yun, Mong-Sook Vang^∗

Department of Prosthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea

^∗Corresponding Author: Mong-Sook Vang Department of Prosthodontics, School of Dentistry, Chonnam National University, 33, Yongbong-ro, Buk-gu, Gwangju, 500-757, Republic of Korea +82 62 530 5824: e-mail, msvang@chonnam.ac.kr

Received 25 June 201415 July 2014 Accepted 18 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

It is important to produce a provisional restoration reflecting the patient's jaw relation, occlusal plane, lip support, shape of teeth, and occlusion type for fully edentulous patients before making a definite prosthesis. The patient introduced in this study showed bad prognosis of remained tooth after severe periodontal diseases. Therefore, remaining teeth were extracted and replaced with dental implants. Provisional restorations were fabricated and the the patient's vertical and horizontal jaw relationship, occlusal plane, amount of overjet and overbite, size of teeth, and length of anterior tooth were recorded. Provisional restorations were scanned and CAD/CAM techniques were used to fabricate a monolithic zirconia bridge, which contour is identical with the provisional restorations. The patient was satisfied with the treatment results on functional, esthetic aspects and the prosthesis retained stable during the four-month clinical observation period.

Keywords: Fully edentulous patient, Double scanning technique, CAD/CAM

REFERENCES

1. Cho Y, Raigrodski AJ. The rehabilitation of an edentulous mandible with a CAD/CAM zirconia framework and heat-pressed lithium disilicate ceramic crowns: a clinical report. J Prosthet Dent. 2014; 111:443–7.

2. Karl M, Graef F, Wichmann M, Krafft T. Passivity of fit of CAD/CAM and copy-milled frameworks, veneered frameworks, and anatomically contoured, zirconia ceramic, implant-supported fixed prostheses. J Prosthet Dent. 2012; 107:232–8.

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4. Rakosi T. Cephalometric Radiography: Significance of Angular and Linear Measurements for Dento-skeletal Analysis. Kuk Jae D.M Publishing Co.;1994. p. 46–77.

5. Kim JC, Jung CW. OP Finder System & Zirconia Prosthesis: Occlusal Plane Finder 2 & Opus 1 Articulator. 2010 DaehanNarae Publishing Inc.;2010. p. 45–9.

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Fig. 1.

First visit views. (A) Intraoral photo, (B) Panoramic radiograph, (C) Extraoral photo.

Fig. 2.

Diagnostic waxup.

Fig. 3.

1 ^st provisional restoration fabrication.

Fig. 4.

Occlusal plane analysis with OP finder^®.

Fig. 5.

2 ^nd waxup after cutback of the 1 ^st provisional restoration.

Fig. 6.

2 ^nd provisional restoration.

Fig. 7.

Double scanning technique. (A) Maxillary superimposition, (B) Mandibular superimposition, (C) Cutback after maxillary superimposition.

Fig. 8.

Definitive restoration. (A) Frontal view, (B) Lateral view.

Fig. 9.

Facial profile. (A) Before treatment, (B) After treatment.

Table 1.

Diameter and location of installed implant fixture (Anyridge^®, Megagen, Daegu, Korea)

		Fixture diameter
		∅ 3.5	∅ 4.0	∅ 4.5
Jaw	Maxilla	#11, 21	#15	#13, 16, 23, 25, 26
Jaw	Mandible	#33, 43	#34, 44	#36, 46

Table 2.

Cephalometric analysis with 1 ^st provisional restoration.^4,6

	Normal range	Patient
FMA	16 - 35	25
FH to OP	3 - 11	10
Y axis to FH	53 - 66	61
Mx #1 to SN	102	101

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