Anterior esthetic improvement through orthodontic extrusive remodeling and single-unit implantation in a fractured upper lateral incisor with alveolar bone loss: A case report

Soo-Youn Hwang; Won-Jun Shon; Young-Chul Han; Kwang-Shik Bae; Seung-Ho Back; WooCheol Lee; Kee-Yeon Kum

doi:10.5395/JKACD.2008.33.1.039

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Hwang, Shon, Han, Bae, Back, Lee, and Kum: Anterior esthetic improvement through orthodontic extrusive remodeling and single-unit implantation in a fractured upper lateral incisor with alveolar bone loss: A case report

Case Report

Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2008; 33(1): 39-44.

Published online: 31 January 2008

DOI: https://doi.org/10.5395/JKACD.2008.33.1.039

Anterior esthetic improvement through orthodontic extrusive remodeling and single-unit implantation in a fractured upper lateral incisor with alveolar bone loss: A case report

Soo-Youn Hwang, Won-Jun Shon, Young-Chul Han, Kwang-Shik Bae, Seung-Ho Back, WooCheol Lee, Kee-Yeon Kum

Department of Conservative Dentistry, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.

Corresponding Author: Kee-Yeon Kum. Department of Conservative Dentistry, School of Dentistry, Seoul National Dentistry, 92 Yunkun-Dong, Jongro-Gu, Seoul, 110-749, Korea. Tel: 82-2-2072-2651, Fax: 82-2-2072-2651, kum6139@snu.ac.kr

Received 18 December 2007 Revised 6 January 2008 Accepted 7 January 2008

(open-access):

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

The treatment of esthetic areas with single-tooth implants represents a new challenge for the clinician. In 1993, a modification of the forced eruption technique, called "orthodontic extrusive remodelling," was proposed as a way to augment both soft- and hard-tissue profiles at potential implant sites. This case report describes augmentation of the coronal soft and hard tissues around a fractured maxillary lateral incisor associated with alveolar bone loss, which was achieved by forced orthodontic extrusion before implant placement. Through these procedures we could reconstruct esthetics and function in a hopeless tooth diagnosed with subgingival root fracture by trauma.

Keywords: Alveolar bone loss, augmentation, orthodontic extrusive remodeling, single-tooth implant, subgingival root fracture

Figures and Tables

Figure 1

Clinical photo (Left) and the radiographic view of oblique crown-root fracture with alveolar bone loss in maxillary right lateral incisor (Right).

Figure 2

Clinical photo after connecting with brakets and 0.19 * 0.25 stainless steel orthodontic wire (left) and radiographic view (right).

Figure 3

Removal of upper fractured segment of crown (a), construction of post and resin core (b), stage of orthodontic eruptive force for 3 months (b, c), and retention wire for stabilization (d).

Figure 4

Single-unit implantation was inserted into the augmented bony site (a) and primary closure (b) was done using connective tissue (C) obtained from palatal mucosa.

Figure 5

Radiographic view (a) and final photo (b) after ceramic restoration.

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