Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/10051
Title: Comparing 3D Virtual Methods for Hemimandibular Body Reconstruction
Contributor(s): Benazzi, Stefano (author); Fiorenza, Luca  (author); Kozakowski, Stephanie (author); Kullmer, Ottmar (author)
Publication Date: 2011
Open Access: Yes
DOI: 10.1002/ar.21410Open Access Link
Handle Link: https://hdl.handle.net/1959.11/10051
Abstract: Reconstruction of fractured, distorted, or missing parts in human skeleton presents an equal challenge in the fields of paleoanthropology, bioarcheology, forensics, and medicine. This is particularly important within the disciplines such as orthodontics and surgery, when dealing with mandibular defects due to tumors, developmental abnormalities, or trauma. In such cases, proper restorations of both form (for esthetic purposes) and function (restoration of articulation, occlusion, and mastication) are required. Several digital approaches based on three-dimensional (3D) digital modeling, computer-aided design (CAD)/computer-aided manufacturing techniques, and more recently geometric morphometric methods have been used to solve this problem. Nevertheless, comparisons among their outcomes are rarely provided. In this contribution, three methods for hemimandibular body reconstruction have been tested. Two bone defects were virtually simulated in a 3D digital model of a human hemimandible. Accordingly, 3D digital scaffolds were obtained using the mirror copy of the unaffected hemimandible (Method 1), the thin plate spline (TPS) interpolation (Method 2), and the combination between TPS and CAD techniques (Method 3). The mirror copy of the unaffected hemimandible does not provide a suitable solution for bone restoration. The combination between TPS interpolation and CAD techniques (Method 3) produces an almost perfect-fitting 3D digital model that can be used for biocompatible custom-made scaffolds generated by rapid prototyping technologies.
Publication Type: Journal Article
Source of Publication: The Anatomical Record, 294(7), p. 1116-1125
Publisher: John Wiley & Sons Inc
Place of Publication: United States of America
ISSN: 1932-8494
1932-8486
Field of Research (FOR): 119999 Medical and Health Sciences not elsewhere classified
160102 Biological (Physical) Anthropology
210102 Archaeological Science
Socio-Economic Outcome Codes: 970106 Expanding Knowledge in the Biological Sciences
970111 Expanding Knowledge in the Medical and Health Sciences
970109 Expanding Knowledge in Engineering
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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