In silico comparison of the reproducibility of full-arch implant provisional restorations to final restoration between a 3D Scan/CAD/CAM technique and the conventional method

被引：16

作者：

Mino, Takuya ^{[1
]}

Maekawa, Kenji ^{[2
]}

Ueda, Akihiro ^{[2
]}

Higuchi, Shizuo ^{[3
]}

Sejima, Junichi ^{[2
]}

Takeuchi, Tetsuo ^{[2
]}

Hara, Emilio Satoshi ^{[1
]}

Kimura-Ono, Aya ^{[1
]}

Sonoyama, Wataru ^{[1
]}

Kuboki, Takuo ^{[1
]}

机构：

[1] Okayama Univ, Dept Oral Rehabil & Regenerat Med, Grad Sch Med Dent & Pharmaceut Sci, Okayama 7008525, Japan

[2] Okayama Univ Hosp, Hosp Med Technol Part, Dent Labs, Okayama, Japan

[3] Wada Precis Dent Labs, Tokyo, Japan

来源：

JOURNAL OF PROSTHODONTIC RESEARCH | 2015年 / 59卷 / 02期

基金：

日本学术振兴会;

关键词：

Accurate transfer; Implant final restoration; In silico analysis; Provisional restoration; Scan/CAD/CAM technique; CAST;

D O I：

10.1016/j.jpor.2014.12.001

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

Purpose: The aim of this article was to investigate the accuracy in the reproducibility of full-arch implant provisional restorations to final restorations between a 3D Scan/CAD/CAM technique and the conventional method. Methods: We fabricated two final restorations for rehabilitation of maxillary and mandibular complete edentulous area and performed a computer-based comparative analysis of the accuracy in the reproducibility of the provisional restoration to final restoration between a 3D scanning and CAD/CAM (Scan/CAD/CAM) technique and the conventional silicone-mold transfer technique. Final restorations fabricated either by the conventional or Scan/CAD/CAM method were successfully installed in the patient. The total concave/convex volume discrepancy observed with the Scan/CAD/CAM technique was 503.50 mm(3) and 338.15 mm(3) for maxillary and mandibular implant-supported prostheses (ISPs), respectively. On the other hand, total concave/convex volume discrepancy observed with the conventional method was markedly high (1106.84 mm(3) and 771.23 mm(3) for maxillary and mandibular ISPs, respectively). Conclusions: The results of the present report suggest that Scan/CAD/CAM method enables a more precise and accurate transfer of provisional restorations to final restorations compared to the conventional method. (C) 2014 Japan Prosthodontic Society. Published by Elsevier Ireland. All rights reserved.

引用

页码：152 / 158

页数：7

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