Custom-made titanium devices as membranes for bone augmentation in implant treatment: Modeling accuracy of titanium products constructed with selective laser melting

Naruto Otawa, Tomoki Sumida, Hisashi Kitagaki, Kiyoyuki Sasaki, Shunsuke Fujibayashi, Mitsuru Takemoto, Takashi Nakamura, Tomohiro Yamada, Yoshihide Mori, Tomiharu Matsushita

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Objective The purpose of this study was to verify the modeling accuracy of various products, and to produce custom-made devices for bone augmentation in individual patients requiring implantation. Materials and methods Two-(2D) and three-dimensional (3D) specimens and custom-made devices that were designed as membranes for guided bone regeneration (GBR) were produced using a computer-aided design (CAD) and rapid prototyping (RP) method. The CAD design was produced using a 3D printing machine and selective laser melting (SLM) with pure titanium (Ti) powder. The modeling accuracy was evaluated with regard to: the dimensional accuracy of the 2D and 3D specimens; the accuracy of pore structure of the 2D specimens; the accuracy of porosity of the 3D specimens; and the error between CAD design and the scanned real product by overlapped images. Results The accuracy of the 2D and 3D specimens indicated precise results in various parameters, which were tolerant in ISO 2768-1. The error of overlapped images between the CAD and scanned data indicated that accuracy was sufficient for GBR. In integrating area of all devices, the maximum and average error were 292 and 139 μm, respectively. Conclusions High modeling accuracy can be achieved in various products using the CAD/RP-SLM method. These results suggest the possibility of clinical applications.

Original languageEnglish
Pages (from-to)1289-1295
Number of pages7
JournalJournal of Cranio-Maxillofacial Surgery
Volume43
Issue number7
DOIs
Publication statusPublished - Sep 1 2015

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Computer-Aided Design
Titanium
Freezing
Lasers
Bone and Bones
Equipment and Supplies
Membranes
Bone Regeneration
Therapeutics
Porosity
Powders

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

Cite this

Custom-made titanium devices as membranes for bone augmentation in implant treatment : Modeling accuracy of titanium products constructed with selective laser melting. / Otawa, Naruto; Sumida, Tomoki; Kitagaki, Hisashi; Sasaki, Kiyoyuki; Fujibayashi, Shunsuke; Takemoto, Mitsuru; Nakamura, Takashi; Yamada, Tomohiro; Mori, Yoshihide; Matsushita, Tomiharu.

In: Journal of Cranio-Maxillofacial Surgery, Vol. 43, No. 7, 01.09.2015, p. 1289-1295.

Research output: Contribution to journalArticle

Otawa, Naruto ; Sumida, Tomoki ; Kitagaki, Hisashi ; Sasaki, Kiyoyuki ; Fujibayashi, Shunsuke ; Takemoto, Mitsuru ; Nakamura, Takashi ; Yamada, Tomohiro ; Mori, Yoshihide ; Matsushita, Tomiharu. / Custom-made titanium devices as membranes for bone augmentation in implant treatment : Modeling accuracy of titanium products constructed with selective laser melting. In: Journal of Cranio-Maxillofacial Surgery. 2015 ; Vol. 43, No. 7. pp. 1289-1295.
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