Three-dimensional printing technologies in the fabrication of maxillofacial prosthesis: A case report

Çevik, Pınar; Kocacikli, Mustafa

doi:10.1177/0391398819887401

Cited by 23 publications

(13 citation statements)

References 16 publications

(36 reference statements)

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“…Compared with MRP, it increases the detection rate of mandibular fractures, zygomatic fractures, and orbital fractures. Possibly, it can compensate for the deficiency of MPR, the three-dimensional display of the anatomical structure, and fracture images of the maxillofacial region and thus providing a more intuitive and three-dimensional understanding of the relationship between the broken end and the spatial structure of the surrounding tissues [ 18 , 19 ]. Similarly, Alessa concluded that the detection rate of MPR plus VR was superior to that of axial CT (99.5% (209/210) vs 88.1% (185/210)), confirming that CT scan 3D reconstruction technology has a reliable value [ 20 ].…”

Section: Discussionmentioning

confidence: 99%

Application Value of the CT Scan 3D Reconstruction Technique in Maxillofacial Fracture Patients

Kang

Jiang

2022

Evidence-Based Complementary and Alternative Medicine

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Purpose The aim of the study was to explore the application value of computerized tomography (CT) scan 3D reconstruction technology in maxillofacial fracture patients. Methods A total of 80 maxillofacial fracture patients who underwent surgical treatment in Shijiazhuang People's Hospital from January 2019 to January 2020 were enrolled. All of them received 128-slice spiral CT scans before surgery, and the images were subjected to multiplanar reconstruction (MRP) and volume reconstruction (VR). Results A total of 181 fractures were found in 80 patients with maxillofacial fractures. The detection rates of axial CT, MRP, and VR were 77.90% (141/181), 93.92% (170/181), and 97.79% (177/181), respectively. The detection rates of the four inspection methods were statistically different. Taking the findings of surgical anatomy as the gold standard, the sensitivity of MRP and VR for the diagnosis of maxillofacial fractures was 90.06% (163/170) and 95.56% (174/177), with no significant difference. Conclusion CT scan 3D reconstruction technology has a high application value in the clinical diagnosis and treatment of maxillofacial fracture patients.

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Section: Discussionmentioning

confidence: 99%

Application Value of the CT Scan 3D Reconstruction Technique in Maxillofacial Fracture Patients

Kang

Jiang

2022

Evidence-Based Complementary and Alternative Medicine

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“…Several studies on the development of Si-TPUs for the application of heart valves , and the use of medical silica gel materials in 3D-printed auricular prostheses , are present in the literature. Thus, in addition to the aforementioned properties, Si-TPUs can be 3D-printed and used as implantable heart valves.…”

Section: Results and Discussionmentioning

confidence: 99%

Unprecedented Strength Polysiloxane-Based Polyurethane for 3D Printing and Shape Memory

Wang

Sun

et al. 2022

ACS Appl. Mater. Interfaces

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Thermoplastic polysiloxane-based polyurethane (Si-TPU) has been attracting a great deal of attention because of the dual advantages of polysiloxane and polyurethane. However, the strength of Si-TPU with a traditional structure is low, and improvement is urgently needed for diverse applications. Herein, we design a polysiloxane-based soft segment (SS) with two urethane groups at the end of the polysiloxane chain, and then we prepare a series of Si-TPUs through a designed SS, isophorone diisocyanate and 1,4-butanediol. Such structural design improves the polarity of the SS and endows more regular hydrogen bonds to the polymer molecular chain. As a result, the prepared Si-TPUs exhibit a good microphase separation structure, unprecedentedly high strength, repeatable processing, noncytotoxicity, shape memory properties, and three-dimensional printing capabilities. Moreover, a maximum tensile strength of Si-TPUs can reach 20.3 MPa, exceeding that of other existing Si-based polymer materials. Si-TPUs show great potential for biomedical applications.

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“…[ 175 ] Although of limited application in the direct fabrication of soft tissue prostheses, 3D printable rigid materials are often used in the production of 3D printed molds in place of hand‐crafted molds (see Table 2 ). [ 200 ] They also have potential in the fabrication of rigid frameworks to support complex prostheses, or for ocular prosthetics. [ 201 ] One of the most promising approaches for fabricating complex multimaterial and composite prostheses is polymer jetting which can produce objects with a variety of colors and material properties in a single print.…”

Section: Polymers In Prostheticsmentioning

confidence: 99%

Past, Present, and Future of Soft‐Tissue Prosthetics: Advanced Polymers and Advanced Manufacturing

et al. 2020

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past 30 years, [12,13] it is only the last decade that has seen its rapid development as part of the fourth industrial revolution. [14] This change in practice is evidenced by the significant fraction of recent literature describing advances in 3D printed prostheses, including technological advances [4,15-18] and clinical reports. [19,20] Further innovations involving collaborations between clinicians, academics, and industry, promise even greater capabilities. The future will see 3D printers that can mix materials as desired during fabrication [21] and those that can 3D print organic semiconductors and piezoelectric polymers for sensing and bionics [22-24] (Figure 1). This report is focused on polymers for soft tissue, external, personalized, prosthetics with clinical applications for the ear, [25] nose, [26] eye, [27] face, [28] breast, [29] and hand. [30] The characteristics of both traditional and 3D printable polymeric materials, as well as current advanced manufacturing technologies and those in development, are also reviewed. The earliest evidence of prosthetics dates back to ≈2300 BC, where Egyptian mummies have been discovered with eye, nose, and genital reconstructions fashioned from plaster packed with mud, sand, linen, butter, or soda (Figure 1). [31] Wood, cloth, natural waxes, resins, and metals were later used as the material of choice for rudimentary prostheses. [32] Prostheses remained relatively unchanged for thousands of years until the 16th century, where prosthetic noses and eyes were made from parchment, wax, wood, hard rubber, gold, silver, and copper. [33] Metals continued as a fundamental material throughout the 19th century, largely due to their ability to be shaped and molded as needed. [34,35] One of the first polymers to be used in prosthetics, poly(methyl methacrylate) (PMMA), was developed in response to the glass shortages in the World Wars of the 20th Century. [36] This polymer went on to become the most common prosthetic material of the time, and still finds use today in artificial eyes [33] and prosthetic substructures. [37] Further innovations in the 20th century produced many new polymers, such as vinyls, copolymers, plastisols, and one of the most significant materials in prosthetics, silicone. [38] Discovered in the early 1900s by Fredrick Kipping, silicone was first used in prosthetics by George W Barnhart in 1960. [39] This versatile polymer remains a primary prosthetic material today due to its soft tissue-like properties, ease of manipulation, chemical inertness, durability, and excellent biocompatibility. [40,41] The search for alternative materials Millions of people worldwide experience disfigurement due to cancers, congenital defects, or trauma, leading to significant psychological, social, and economic disadvantage. Prosthetics aim to reduce their suffering by restoring aesthetics and function using synthetic materials that mimic the characteristics of native tissue. In the 1900s, natural materials used for thousands of years in prosthetics were replaced by syntheti...

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Three-dimensional printing technologies in the fabrication of maxillofacial prosthesis: A case report

Cited by 23 publications

References 16 publications

Application Value of the CT Scan 3D Reconstruction Technique in Maxillofacial Fracture Patients

Application Value of the CT Scan 3D Reconstruction Technique in Maxillofacial Fracture Patients

Unprecedented Strength Polysiloxane-Based Polyurethane for 3D Printing and Shape Memory

Past, Present, and Future of Soft‐Tissue Prosthetics: Advanced Polymers and Advanced Manufacturing

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