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Journal of Healthcare Engineering
Volume 2017, Article ID 4842072, 6 pages
Research Article

Hollow Abutment Screw Design for Easy Retrieval in Case of Screw Fracture in Dental Implant System

1Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul, Republic of Korea
2Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul, Republic of Korea

Correspondence should be addressed to Man Yong Kim; moc.liamg@mikytned and Jong-Ho Lee;

Received 3 March 2017; Revised 19 June 2017; Accepted 22 June 2017; Published 6 August 2017

Academic Editor: Rui Zhu

Copyright © 2017 Bo Kyun Sim et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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