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Agrawal P, Zhuang S, Dreher S, Mitter S, Ahmed D. SonoPrint: Acoustically Assisted Volumetric 3D Printing for Composites. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2408374. [PMID: 39049689 DOI: 10.1002/adma.202408374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Indexed: 07/27/2024]
Abstract
Advances in additive manufacturing in composites have transformed aerospace, medical devices, tissue engineering, and electronics. A key aspect of enhancing properties of 3D-printed objects involves fine-tuning the material by embedding and orienting reinforcement within the structure. Existing methods for orienting these reinforcements are limited by pattern types, alignment, and particle characteristics. Acoustics offers a versatile method to control the particles independent of their size, geometry, and charge, enabling intricate pattern formations. However, integrating acoustics into 3D printing has been challenging due to the scattering of the acoustic field between polymerized layers and unpolymerized resin, resulting in unwanted patterns. To address this challenge, SonoPrint, an innovative acoustically assisted volumetric 3D printer is developed that enables simultaneous reinforcement patterning and printing of the entire structure. SonoPrint generates mechanically tunable composite geometries by embedding reinforcement particles, such as microscopic glass, metal, and polystyrene, within the fabricated structure. This printer employs a standing wave field to create targeted particle motifs-including parallel lines, radial lines, circles, rhombuses, hexagons, and polygons-directly in the photosensitive resin, completing the print in just a few minutes. SonoPrint enhances structural properties and promises to advance volumetric printing, unlocking applications in tissue engineering, biohybrid robots, and composite fabrication.
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Affiliation(s)
- Prajwal Agrawal
- Acoustic Robotics Systems Lab, Institute of Robotics and Intelligent Systems, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Shengyang Zhuang
- Acoustic Robotics Systems Lab, Institute of Robotics and Intelligent Systems, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Simon Dreher
- Acoustic Robotics Systems Lab, Institute of Robotics and Intelligent Systems, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Sarthak Mitter
- Acoustic Robotics Systems Lab, Institute of Robotics and Intelligent Systems, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
| | - Daniel Ahmed
- Acoustic Robotics Systems Lab, Institute of Robotics and Intelligent Systems, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland
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Xie M, Wang J, Wu S, Yan S, He Y. Microgels for bioprinting: recent advancements and challenges. Biomater Sci 2024; 12:1950-1964. [PMID: 38258987 DOI: 10.1039/d3bm01733h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Microgels have become a popular and powerful structural unit in the bioprinting field due to their advanced properties, ranging from the tiny size and well-connected hydrogel (nutrient) network to special rheological properties. Different microgels can be fabricated by a variety of fabrication methods including bulk crushing, auxiliary dripping, multiphase emulsion, and lithography technology. Traditionally, microgels can encapsulate specific cells and are used for in vitro disease models and in vivo organ regeneration. Furthermore, microgels can serve as a drug carrier to realize controlled release of drug molecules. Apart from being used as an independent application unit, recently, these microgels are widely applied as a specific bioink component in 3D bioprinting for in situ tissue repair or building special 3D structures. In this review, we introduce different methods used to generate microgels and the microgel-based bioink for bioprinting. Besides, the further tendency of microgel development in future is introduced and predicted to provide guidance for related researchers in exploring more effective ways to fabricate microgels and more potential bioprinting application cases as multifunctional bioink components.
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Affiliation(s)
- Mingjun Xie
- Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China, 310014.
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
- Key Laboratory of Materials Processing and Mold, Zhengzhou University, Zhengzhou, 450002, China.
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, College of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
- Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Ji Wang
- Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China, 310014.
| | - Sufan Wu
- Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China, 310014.
| | - Sheng Yan
- Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China, 310014.
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
- Key Laboratory of Materials Processing and Mold, Zhengzhou University, Zhengzhou, 450002, China.
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, College of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
- Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310058, China
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Kouhi M, de Souza Araújo IJ, Asa'ad F, Zeenat L, Bojedla SSR, Pati F, Zolfagharian A, Watts DC, Bottino MC, Bodaghi M. Recent advances in additive manufacturing of patient-specific devices for dental and maxillofacial rehabilitation. Dent Mater 2024; 40:700-715. [PMID: 38401992 DOI: 10.1016/j.dental.2024.02.006] [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: 02/08/2024] [Accepted: 02/08/2024] [Indexed: 02/26/2024]
Abstract
OBJECTIVES Customization and the production of patient-specific devices, tailoring the unique anatomy of each patient's jaw and facial structures, are the new frontiers in dentistry and maxillofacial surgery. As a technological advancement, additive manufacturing has been applied to produce customized objects based on 3D computerized models. Therefore, this paper presents advances in additive manufacturing strategies for patient-specific devices in diverse dental specialties. METHODS This paper overviews current 3D printing techniques to fabricate dental and maxillofacial devices. Then, the most recent literature (2018-2023) available in scientific databases reporting advances in 3D-printed patient-specific devices for dental and maxillofacial applications is critically discussed, focusing on the major outcomes, material-related details, and potential clinical advantages. RESULTS The recent application of 3D-printed customized devices in oral prosthodontics, implantology and maxillofacial surgery, periodontics, orthodontics, and endodontics are presented. Moreover, the potential application of 4D printing as an advanced manufacturing technology and the challenges and future perspectives for additive manufacturing in the dental and maxillofacial area are reported. SIGNIFICANCE Additive manufacturing techniques have been designed to benefit several areas of dentistry, and the technologies, materials, and devices continue to be optimized. Image-based and accurately printed patient-specific devices to replace, repair, and regenerate dental and maxillofacial structures hold significant potential to maximize the standard of care in dentistry.
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Affiliation(s)
- Monireh Kouhi
- Dental Materials Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746-73461, Iran
| | - Isaac J de Souza Araújo
- Department of Cariology, Restorative Sciences, and Endodontics, University of Michigan, School of Dentistry, Ann Arbor, MI, United States
| | - Farah Asa'ad
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Oral Biochemistry, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lubna Zeenat
- School of Engineering, Deakin University, Geelong 3216, Australia; Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy, Telangana 502285, India
| | - Sri Sai Ramya Bojedla
- Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy, Telangana 502285, India
| | - Falguni Pati
- Department of Biomedical Engineering, IIT Hyderabad, Kandi, Sangareddy, Telangana 502285, India
| | - Ali Zolfagharian
- School of Engineering, Deakin University, Geelong 3216, Australia
| | - David C Watts
- School of Medical Sciences, University of Manchester, Manchester, UK
| | - Marco C Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, University of Michigan, School of Dentistry, Ann Arbor, MI, United States; Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI, United States
| | - Mahdi Bodaghi
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK.
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Rehman M, Yanen W, Mushtaq RT, Ishfaq K, Zahoor S, Ahmed A, Kumar MS, Gueyee T, Rahman MM, Sultana J. Additive manufacturing for biomedical applications: a review on classification, energy consumption, and its appreciable role since COVID-19 pandemic. PROGRESS IN ADDITIVE MANUFACTURING 2022; 8:1-35. [PMID: 38625342 PMCID: PMC9793824 DOI: 10.1007/s40964-022-00373-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 12/08/2022] [Indexed: 05/27/2023]
Abstract
The exponential rise of healthcare problems like human aging and road traffic accidents have developed an intrinsic challenge to biomedical sectors concerning the arrangement of patient-specific biomedical products. The additively manufactured implants and scaffolds have captured global attention over the last two decades concerning their printing quality and ease of manufacturing. However, the inherent challenges associated with additive manufacturing (AM) technologies, namely process selection, level of complexity, printing speed, resolution, biomaterial choice, and consumed energy, still pose several limitations on their use. Recently, the whole world has faced severe supply chain disruptions of personal protective equipment and basic medical facilities due to a respiratory disease known as the coronavirus (COVID-19). In this regard, local and global AM manufacturers have printed biomedical products to level the supply-demand equation. The potential of AM technologies for biomedical applications before, during, and post-COVID-19 pandemic alongwith its relation to the industry 4.0 (I4.0) concept is discussed herein. Moreover, additive manufacturing technologies are studied in this work concerning their working principle, classification, materials, processing variables, output responses, merits, challenges, and biomedical applications. Different factors affecting the sustainable performance in AM for biomedical applications are discussed with more focus on the comparative examination of consumed energy to determine which process is more sustainable. The recent advancements in the field like 4D printing and 5D printing are useful for the successful implementation of I4.0 to combat any future pandemic scenario. The potential of hybrid printing, multi-materials printing, and printing with smart materials, has been identified as hot research areas to produce scaffolds and implants in regenerative medicine, tissue engineering, and orthopedic implants.
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Affiliation(s)
- Mudassar Rehman
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
- Department of Industrial and Manufacturing Engineering, University of Engineering and Technology, Lahore, 54890 Pakistan
| | - Wang Yanen
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
| | - Ray Tahir Mushtaq
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
| | - Kashif Ishfaq
- Department of Industrial and Manufacturing Engineering, University of Engineering and Technology, Lahore, 54890 Pakistan
| | - Sadaf Zahoor
- Department of Industrial and Manufacturing Engineering, University of Engineering and Technology, Lahore, 54890 Pakistan
| | - Ammar Ahmed
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
| | - M. Saravana Kumar
- Graduate Institute of Manufacturing Technology, National Taipei University of Technology, Taipei, 10608 Taiwan
| | - Thierno Gueyee
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
| | - Md Mazedur Rahman
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
| | - Jakia Sultana
- Department of Industry Engineering, School of Mechanical Engineering, Northwestern Polytechnical University, Xian, 710072 China
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John P, Antony IR, Whenish R, Jinoop AN. A review on fabrication of 3D printed biomaterials using optical methodologies for tissue engineering applications. Proc Inst Mech Eng H 2022; 236:1583-1594. [DOI: 10.1177/09544119221122856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Human body comprises of different internal and external biological components. Human organs tend to fail due to continuous or sudden stress which leads to deterioration, failure, and dislocation. The choice of selection and fabrication of materials for tissue engineering play a key role in terms of suitability, sensitivity, and functioning with other organs as a replacement for failed organs. The progressive improvement of the additive manufacturing (AM) approach in healthcare made it possible to print multi-material and customized complex/intricate geometries in a layer-by-layer fashion. The customized or patient-specific implant fabrication can be easily produced with a high success rate due to the development of AM technologies with tailorable properties. The structural behavior of 3D printed biomaterials is a crucial factor in tissue engineering as they affect the functionality of the implants. Various techniques have been developed in appraising the important features and the effects of the subsequent design of the biomaterial implants. The behavior of the AM built biomaterial implants can be understood visually by an imaging system with a high spatial and spectral resolution. This review intends to present an overview of various biomaterials used in implants, followed by a detailed description of optical 3D printing procedures and evaluation of the performance of 3D printed biomaterials using optical characterization.
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Affiliation(s)
- Pauline John
- Department of Biomedical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, TN, India
| | - Irene Rose Antony
- School of Bio-sciences and Technology, Vellore Institute of Technology, Vellore, TN, India
| | - Ruban Whenish
- Center for Biomaterials, Cellular and molecular Theranostics, Vellore Institute of Technology, Vellore, TN, India
| | - Arackal Narayanan Jinoop
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada
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