FIT OF LASER SINTERED METAL RESTORATIONS: A SYSTEMATIC REVIEW | ||
| Egyptian Dental Journal | ||
| Article 53, Volume 65, Issue 3 - July (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), July 2019, Pages 2967-2980 PDF (642.3 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/edj.2019.72692 | ||
| Authors | ||
| Amir S. Azer; Heidar Shahin | ||
| Lecturer of Fixed Prosthodontics, Conservative Dentistry Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt. | ||
| Abstract | ||
| Objective: The aim of this study is to review all the published in vitro research on the fit of laser sintered metal copings compared to other fabrication techniques. Materials and Methods: A comprehensive electronic search was performed through Google Scholar to combine the following key words: ‘3D printing’, ‘rapid prototyping’, ‘laser sintering’, ‘direct metal laser sintering’, ‘laser melting’, ‘metal coping’, ‘cobalt chromium coping’, ‘metal crown’, ‘cobalt chromium crown’, ‘internal fit’ and ‘marginal fit’. The search was limited to articles written in English. In addition, a manual search was also conducted through articles and reference lists retrieved from the electronic search and peer reviewed journals. Results: A total of 284 articles were retrieved and only 17 met the specified inclusion criteria for the review. The selected articles had assessed marginal and ⁄ or internal fit of laser sintered metal copings against other fabrication techniques. Conclusions: Laser sintered metal copings have a good marginal and internal fit within the clinically acceptable range suggested in the literature. Laser sintering procedure provides an efficient and rapid method for digitally designing and manufacturing complex metal structures for crowns and FPDs. | ||
| Keywords | ||
| 3D printing- laser sintering- metal coping- internal fit – marginal fit | ||
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