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Mercuri LG. Alloplastic temporomandibular joint replacement - past, present, and future: "Learn from the past, prepare for the future, live in the present." Thomas S. Monson. Br J Oral Maxillofac Surg 2024; 62:91-96. [PMID: 38000963 DOI: 10.1016/j.bjoms.2023.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/09/2023] [Accepted: 10/17/2023] [Indexed: 11/26/2023]
Abstract
Based on evidence from the orthopaedic, biomedical engineering, and oral and maxillofacial surgical literature, this paper discusses reported successes and failures of past alloplastic temporomandibular joint (TMJ) devices that have led to the development of present total temporomandibular joint replacement (TMJR) devices. The paper concludes with discussion of the ongoing research that will lead to future embodiment (materials, designs, and manufacture) advances in TMJR management of severe and debilitating end-stage TMJ disease, further improving patients' mandibular function, form, and overall quality of life.
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Affiliation(s)
- Louis G Mercuri
- Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W Harrison St, Chicago, IL 60612, United States; Department of Biomedical Engineering, University of Illinois Chicago, 851 S Morgan St, Chicago, IL 60607, United States.
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Goyama T, Fujii Y, Muraoka G, Nakatani T, Ousaka D, Imai Y, Kuwada N, Tsuji T, Shuku T, Uchida HA, Nishibori M, Oozawa S, Kasahara S. Comprehensive hemocompatibility analysis on the application of diamond-like carbon to ePTFE artificial vascular prosthesis. Sci Rep 2023; 13:8386. [PMID: 37225824 DOI: 10.1038/s41598-023-35594-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/20/2023] [Indexed: 05/26/2023] Open
Abstract
The aim of this study was to obtain comprehensive data regarding the hemocompatibility of diamond-like carbon (DLC)-coated expanded polytetrafluoroethylene (ePTFE). DLC increased the hydrophilicity and smoothened the surface and fibrillar structure, respectively, of the ePTFE. DLC-coated ePTFE had more albumin and fibrinogen adsorption and less platelet adhesion than uncoated ePTFE. There were scarce red cell attachments in in vitro human and in vivo animal (rat and swine) whole blood contact tests in both DLC-coated and uncoated ePTFE. DLC-coated ePTFE had a similar but marginally thicker band movement than uncoated-ePTFE with SDS-PAGE after human whole blood contact test. In addition, survival studies of aortic graft replacement in rats (1.5 mm graft) and arteriovenous shunt in goats (4 mm graft) were performed to compare the patency and clot formation between DLC-coated and uncoated ePTFE grafts. Comparable patency was observed in both animal models. However, clots were observed in the luminal surface of the patent 1.5 mm DLC-coated ePTFE grafts, but not in that of uncoated ePTFE grafts. In conclusions, hemocompatibility of DLC-coated ePTFE was high and comparable to that of uncoated ePTFE. However, it failed to improve the hemocompatibility of 1.5 mm ePTFE graft probably because increased fibrinogen adsorption canceled the other beneficial effects of DLC.
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Affiliation(s)
- Takashi Goyama
- Department of Cardiovascular Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Yasuhiro Fujii
- Department of Cardiovascular Surgery, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan.
| | - Genya Muraoka
- Department of Cardiovascular Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Tatsuyuki Nakatani
- Institute of Frontier Science and Technology, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama, Okayama, 700-0005, Japan
| | - Daiki Ousaka
- Department of Pharmacology, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Yuichi Imai
- Institute of Frontier Science and Technology, Okayama University of Science, 1-1 Ridai-cho, Kita-ku, Okayama, Okayama, 700-0005, Japan
| | - Noriaki Kuwada
- Department of Cardiovascular Surgery, Kawasaki Medical Hospital, 577 Matsushima, Kurashiki, Okayama, 701-0192, Japan
| | - Tatsunori Tsuji
- Department of Cardiovascular Surgery, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Takayuki Shuku
- Department of Civil Engineering, Okayama University Graduate School of Environmental and Life Science, 3-1-1 Tsushima naka, Kita-ku, Okayama, Okayama, 700-8530, Japan
| | - Haruhito A Uchida
- Department of Chronic Kidney Disease and Cardiovascular Disease, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Masahiro Nishibori
- Department of Translational Research and Drug Development, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Susumu Oozawa
- Division of Medical Safety Management, Safety Management Facility, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
| | - Shingo Kasahara
- Department of Cardiovascular Surgery, Okayama University Faculty of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, Okayama, 700-8558, Japan
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Mercuri LG, Neto MQ, Pourzal R. Alloplastic temporomandibular joint replacement: present status and future perspectives of the elements of embodiment. Int J Oral Maxillofac Surg 2022; 51:1573-1578. [PMID: 35717278 DOI: 10.1016/j.ijom.2022.05.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 04/14/2022] [Accepted: 05/31/2022] [Indexed: 11/25/2022]
Abstract
Medical device embodiment involves the following elements: materials, design, and manufacturing. Failure of any one of these elements can result in failure of the device, despite the others being satisfactory. The abundance of clinical and basic science literature published since 1986, demonstrates the safety and efficacy of alloplastic temporomandibular joint replacement (TMJR). Currently, there are 19 countries producing 41 TMJR devices. More than 75% are custom designed, and 27% are additively manufactured. In light of the increasing number of TMJR devices being designed and manufactured around the world, this paper will discuss TMJR embodiment so that clinicians understand their present status as well as the prospects for the future of new and/or improved TMJR devices, to ensure that these devices continue to be safe and effective long-term surgical options for the management of end-stage TMJ pathologies.
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Affiliation(s)
- L G Mercuri
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
| | - M Q Neto
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
| | - R Pourzal
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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Ankha MDVEA, Silva ADM, Prado RFD, Camalionte MP, Vasconcellos LMRD, Radi PA, Silva Sobrinho ASD, Vieira L, Carvalho YR. Effect of DLC Films with and without Silver Nanoparticles Deposited On Titanium Alloy. Braz Dent J 2019; 30:607-616. [DOI: 10.1590/0103-6440201902708] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 06/24/2019] [Indexed: 11/22/2022] Open
Abstract
Abstract Diamond-like carbon (DLC) film is a biocompatible hard coating material that can prevent the leaching of metal ions. This study evaluates the structural characteristics of DLC, with and without silver nanoparticles, deposited by plasma (PECVD) on titanium alloy (Ti-6Al-4V) and bone formation in contact with DLC films. Sixty Ti-6Al-4V samples were used divided in: uncoated, coated with DLC and coated with DLC-Ag. After structural characterization, samples were fixed bilaterally at the rabbit's mandible. After 15 and 90 days, samples were characterized again and bone formation in the area was analyzed by histomorphometry. Statistical analysis was performed by two-way ANOVA. Both the DLC and DLC-Ag films were firmly adhered and showed a high electrical resistance without significant changes in the Raman spectrum after in vivo integration. After 15 days, there were immature bone trabeculae in the interface and partially covering the surface. After 90 days, mature bone filled the interface and coved the surface. There was no statistically significant difference among the three groups in both periods. In conclusion, osseointegration with DLC, DLC-Ag and uncoated Ti-6Al-4V is similar. However, DLC and DLC-Ag coverings have the advantage of electrical insulation and can presumably control bacterial activity and ion leaching.
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Affiliation(s)
| | | | | | | | | | - Polyana Alves Radi
- Universidade Estadual Paulista, Brazil; Universidade do Vale do Paraíba, Brazil
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