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Boroojeni HSH, Mohaghegh S, Khojasteh A. Application of CAD-CAM Technologies for Maxillofacial Bone Regeneration: A Narrative Review of the Clinical Studies. Curr Stem Cell Res Ther 2024; 19:461-472. [PMID: 36372914 DOI: 10.2174/1574888x18666221111154057] [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: 03/15/2022] [Revised: 07/24/2022] [Accepted: 09/13/2022] [Indexed: 11/13/2022]
Abstract
The application of regenerative methods in treating maxillofacial defects can be categorized as functional bone regeneration in which scaffolds without protection are used and in-situ bone regeneration in which a protected healing space is created to induce bone formation. It has been shown that functional bone regeneration can reduce surgical time and obviate the necessity of autogenous bone grafting. However, studies mainly focused on applying this method to reconstruct minor bone effects, and more investigation concerning the large defects is required. In terms of in situ maxillofacial bone regeneration with the help of CAD-CAM technologies, the present data have suggested feasible mesh rigidity, perseverance of the underlying space, and apt augmentative results with CAD-CAM-based individualized Ti meshes. However, complications, including dehiscence and mesh exposure, coupled with consequent graft loss, infection and impeded regenerative rates have also been reported.
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Affiliation(s)
- Helia Sadat Haeri Boroojeni
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sadra Mohaghegh
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Khojasteh
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Cranio-Maxillofacial Surgery/University Hospital, Faculty of Medicine & Health Sciences, University of Antwerp, Antwerp, Belgium
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2
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Yang X, Liu P, Zhang Y, Lu J, Zhao H. Bioprinting-Enabled Biomaterials: A Cutting-Edge Strategy for Future Osteoarthritis Therapy. Int J Nanomedicine 2023; 18:6213-6232. [PMID: 37933298 PMCID: PMC10625743 DOI: 10.2147/ijn.s432468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/17/2023] [Indexed: 11/08/2023] Open
Abstract
Bioprinting is an advanced technology that allows for the precise placement of cells and biomaterials in a controlled manner, making significant contributions in regenerative medicine. Notably, bioprinting-enabled biomaterials have found extensive application as drug delivery systems (DDS) in the treatment of osteoarthritis (OA). Despite the widespread utilization of these biomaterials, there has been limited comprehensive research summarizing the recent advances in this area. Therefore, this review aims to explore the noteworthy developments and challenges associated with utilizing bioprinting-enabled biomaterials as effective DDS for the treatment of OA. To begin, we provide an overview of the complex pathophysiology of OA, highlighting the shortcomings of current treatment modalities. Following this, we conduct a detailed examination of various bioprinting technologies and discuss the wide range of biomaterials employed in DDS applications for OA therapy. Finally, by placing emphasis on their transformative potential, we discuss the incorporation of crucial cellular components such as chondrocytes and mesenchymal stem cells into bioprinted constructs, which play a pivotal role in promoting tissue regeneration and repair.
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Affiliation(s)
- Xinquan Yang
- Department of Foot and Ankle Surgery, Honghui Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710054, People’s Republic of China
| | - Peilong Liu
- Department of Foot and Ankle Surgery, Honghui Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710054, People’s Republic of China
| | - Yan Zhang
- Department of Foot and Ankle Surgery, Honghui Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710054, People’s Republic of China
| | - Jun Lu
- Department of Foot and Ankle Surgery, Honghui Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710054, People’s Republic of China
| | - Hongmou Zhao
- Department of Foot and Ankle Surgery, Honghui Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, 710054, People’s Republic of China
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3
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Lin H, Zhang L, Zhang Q, Wang Q, Wang X, Yan G. Mechanism and application of 3D-printed degradable bioceramic scaffolds for bone repair. Biomater Sci 2023; 11:7034-7050. [PMID: 37782081 DOI: 10.1039/d3bm01214j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Bioceramics have attracted considerable attention in the field of bone repair because of their excellent osteogenic properties, degradability, and biocompatibility. To resolve issues regarding limited formability, recent studies have introduced 3D printing technology for the fabrication of bioceramic bone repair scaffolds. Nevertheless, the mechanisms by which bioceramics promote bone repair and clinical applications of 3D-printed bioceramic scaffolds remain elusive. This review provides an account of the fabrication methods of 3D-printed degradable bioceramic scaffolds. In addition, the types and characteristics of degradable bioceramics used in clinical and preclinical applications are summarized. We have also highlighted the osteogenic molecular mechanisms in biomaterials with the aim of providing a basis and support for future research on the clinical applications of degradable bioceramic scaffolds. Finally, new developments and potential applications of 3D-printed degradable bioceramic scaffolds are discussed with reference to experimental and theoretical studies.
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Affiliation(s)
- Hui Lin
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Liyun Zhang
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Qiyue Zhang
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Qiang Wang
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of Oral Diseases, China Medical University, Shenyang, China
| | - Xue Wang
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
| | - Guangqi Yan
- School and Hospital of Stomatology, China Medical University, Shenyang, China.
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Mei K, Pasyar P, Geagan M, Liu LP, Shapira N, Gang GJ, Stayman JW, Noël PB. Design and fabrication of 3D-printed patient-specific soft tissue and bone phantoms for CT imaging. Sci Rep 2023; 13:17495. [PMID: 37840044 PMCID: PMC10577126 DOI: 10.1038/s41598-023-44602-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023] Open
Abstract
The objective of this study is to create patient-specific phantoms for computed tomography (CT) that possess accurate densities and exhibit visually realistic image textures. These qualities are crucial for evaluating CT performance in clinical settings. The study builds upon a previously presented 3D printing method (PixelPrint) by incorporating soft tissue and bone structures. We converted patient DICOM images directly into 3D printer instructions using PixelPrint and utilized calcium-doped filament to increase the Hounsfield unit (HU) range. Density was modeled by controlling printing speed according to volumetric filament ratio to emulate attenuation profiles. We designed micro-CT phantoms to demonstrate the reproducibility, and to determine mapping between filament ratios and HU values on clinical CT systems. Patient phantoms based on clinical cervical spine and knee examinations were manufactured and scanned with a clinical spectral CT scanner. The CT images of the patient-based phantom closely resembled original CT images in visual texture and contrast. Micro-CT analysis revealed minimal variations between prints, with an overall deviation of ± 0.8% in filament line spacing and ± 0.022 mm in line width. Measured differences between patient and phantom were less than 12 HU for soft tissue and 15 HU for bone marrow, and 514 HU for cortical bone. The calcium-doped filament accurately represented bony tissue structures across different X-ray energies in spectral CT (RMSE ranging from ± 3 to ± 28 HU, compared to 400 mg/ml hydroxyapatite). In conclusion, this study demonstrated the possibility of extending 3D-printed patient-based phantoms to soft tissue and bone structures while maintaining accurate organ geometry, image texture, and attenuation profiles.
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Affiliation(s)
- Kai Mei
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
| | - Pouyan Pasyar
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael Geagan
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Leening P Liu
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Nadav Shapira
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Grace J Gang
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - J Webster Stayman
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Peter B Noël
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Diagnostic and Interventional Radiology, School of Medicine and Klinikum Rechts der Isar, Technical University of Munich, 81675, Munich, Germany
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Mohd N, Razali M, Fauzi MB, Abu Kasim NH. In Vitro and In Vivo Biological Assessments of 3D-Bioprinted Scaffolds for Dental Applications. Int J Mol Sci 2023; 24:12881. [PMID: 37629064 PMCID: PMC10454183 DOI: 10.3390/ijms241612881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/07/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Three-dimensional (3D) bioprinting is a unique combination of technological advances in 3D printing and tissue engineering. It has emerged as a promising approach to address the dilemma in current dental treatments faced by clinicians in order to repair or replace injured and diseased tissues. The exploration of 3D bioprinting technology provides high reproducibility and precise control of the bioink containing the desired cells and biomaterial over the architectural and dimensional features of the scaffolds in fabricating functional tissue constructs that are specific to the patient treatment need. In recent years, the dental applications of different 3D bioprinting techniques, types of novel bioinks, and the types of cells used have been extensively explored. Most of the findings noted significant challenges compared to the non-biological 3D printing approach in constructing the bioscaffolds that mimic native tissues. Hence, this review focuses solely on the implementation of 3D bioprinting techniques and strategies based on cell-laden bioinks. It discusses the in vitro applications of 3D-bioprinted scaffolds on cell viabilities, cell functionalities, differentiation ability, and expression of the markers as well as the in vivo evaluations of the implanted bioscaffolds on the animal models for bone, periodontal, dentin, and pulp tissue regeneration. Finally, it outlines some perspectives for future developments in dental applications.
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Affiliation(s)
- Nurulhuda Mohd
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia;
| | - Masfueh Razali
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia;
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia;
| | - Noor Hayaty Abu Kasim
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Dean Office, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur 50300, Malaysia
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Dalfino S, Savadori P, Piazzoni M, Connelly ST, Giannì AB, Del Fabbro M, Tartaglia GM, Moroni L. Regeneration of Critical-Sized Mandibular Defects Using 3D-Printed Composite Scaffolds: A Quantitative Evaluation of New Bone Formation in In Vivo Studies. Adv Healthc Mater 2023; 12:e2300128. [PMID: 37186456 DOI: 10.1002/adhm.202300128] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/12/2023] [Indexed: 05/17/2023]
Abstract
Mandibular tissue engineering aims to develop synthetic substitutes for the regeneration of critical size defects (CSD) caused by a variety of events, including tumor surgery and post-traumatic resections. Currently, the gold standard clinical treatment of mandibular resections (i.e., autologous fibular flap) has many drawbacks, driving research efforts toward scaffold design and fabrication by additive manufacturing (AM) techniques. Once implanted, the scaffold acts as a support for native tissue and facilitates processes that contribute to its regeneration, such as cells infiltration, matrix deposition and angiogenesis. However, to fulfil these functions, scaffolds must provide bioactivity by mimicking natural properties of the mandible in terms of structure, composition and mechanical behavior. This review aims to present the state of the art of scaffolds made with AM techniques that are specifically employed in mandibular tissue engineering applications. Biomaterials chemical composition and scaffold structural properties are deeply discussed, along with strategies to promote osteogenesis (i.e., delivery of biomolecules, incorporation of stem cells, and approaches to induce vascularization in the constructs). Finally, a comparison of in vivo studies is made by taking into consideration the amount of new bone formation (NB), the CSD dimensions, and the animal model.
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Affiliation(s)
- Sophia Dalfino
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht, 6229 ER, The Netherlands
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, 20122, Italy
| | - Paolo Savadori
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, 20122, Italy
| | - Marco Piazzoni
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Department of Physics, Università degli Studi di Milano, Milano, 20133, Italy
| | - Stephen Thaddeus Connelly
- Department of Oral & Maxillofacial Surgery, University of California San Francisco, 4150 Clement St, San Francisco, CA, 94121, USA
| | - Aldo Bruno Giannì
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, 20122, Italy
| | - Massimo Del Fabbro
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, 20122, Italy
| | - Gianluca Martino Tartaglia
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, 20122, Italy
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milano, 20122, Italy
| | - Lorenzo Moroni
- Complex Tissue Regeneration Department, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht, 6229 ER, The Netherlands
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Mei K, Pasyar P, Geagan M, Liu LP, Shapira N, Gang GJ, Stayman JW, Noël PB. Design and fabrication of 3D-printed patient-specific soft tissue and bone phantoms for CT imaging. RESEARCH SQUARE 2023:rs.3.rs-2828218. [PMID: 37162901 PMCID: PMC10168445 DOI: 10.21203/rs.3.rs-2828218/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The objective of this study is to create patient-specific phantoms for computed tomography (CT) that have realistic image texture and densities, which are critical in evaluating CT performance in clinical settings. The study builds upon a previously presented 3D printing method (PixelPrint) by incorporating soft tissue and bone structures. We converted patient DICOM images directly into 3D printer instructions using PixelPrint and utilized stone-based filament to increase Hounsfield unit (HU) range. Density was modeled by controlling printing speed according to volumetric filament ratio to emulate attenuation profiles. We designed micro-CT phantoms to demonstrate the reproducibility and to determine mapping between filament ratios and HU values on clinical CT systems. Patient phantoms based on clinical cervical spine and knee examinations were manufactured and scanned with a clinical spectral CT scanner. The CT images of the patient-based phantom closely resembled original CT images in texture and contrast. Measured differences between patient and phantom were less than 15 HU for soft tissue and bone marrow. The stone-based filament accurately represented bony tissue structures across different X-ray energies, as measured by spectral CT. In conclusion, this study demonstrated the possibility of extending 3D-printed patient-based phantoms to soft tissue and bone structures while maintaining accurate organ geometry, image texture, and attenuation profiles.
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8
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Mei K, Pasyar P, Geagan M, Liu LP, Shapira N, Gang GJ, Stayman JW, Noël PB. Design and fabrication of 3D-printed patient-specific soft tissue and bone phantoms for CT imaging. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.04.17.23288689. [PMID: 37162973 PMCID: PMC10168421 DOI: 10.1101/2023.04.17.23288689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The objective of this study is to create patient-specific phantoms for computed tomography (CT) that have realistic image texture and densities, which are critical in evaluating CT performance in clinical settings. The study builds upon a previously presented 3D printing method (PixelPrint) by incorporating soft tissue and bone structures. We converted patient DICOM images directly into 3D printer instructions using PixelPrint and utilized stone-based filament to increase Hounsfield unit (HU) range. Density was modeled by controlling printing speed according to volumetric filament ratio to emulate attenuation profiles. We designed micro-CT phantoms to demonstrate the reproducibility and to determine mapping between filament ratios and HU values on clinical CT systems. Patient phantoms based on clinical cervical spine and knee examinations were manufactured and scanned with a clinical spectral CT scanner. The CT images of the patient-based phantom closely resembled original CT images in texture and contrast. Measured differences between patient and phantom were less than 15 HU for soft tissue and bone marrow. The stone-based filament accurately represented bony tissue structures across different X-ray energies, as measured by spectral CT. In conclusion, this study demonstrated the possibility of extending 3D-printed patient-based phantoms to soft tissue and bone structures while maintaining accurate organ geometry, image texture, and attenuation profiles.
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Affiliation(s)
- Kai Mei
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Pouyan Pasyar
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael Geagan
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Leening P. Liu
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - Nadav Shapira
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Grace J. Gang
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - J. Webster Stayman
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Peter B. Noël
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Diagnostic and Interventional Radiology, School of Medicine & Klinikum rechts der Isar, Technical University of Munich, 81675 München, Germany
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9
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Perez A, Lazzarotto B, Marger L, Durual S. Alveolar ridge augmentation with 3D-printed synthetic bone blocks: A clinical case series. Clin Case Rep 2023; 11:e7171. [PMID: 37102098 PMCID: PMC10123314 DOI: 10.1002/ccr3.7171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/20/2023] [Accepted: 02/26/2023] [Indexed: 04/28/2023] Open
Abstract
This report documents the clinical and histological outcome of 3D-printed calcium phosphate blocks placed in two-stage procedures to successfully rehabilitate atrophic alveolar ridges. This approach yielded a functionally favorable result. Histological evaluations were performed after healing periods of 6 months and showed ongoing bone regeneration and sprouting capillaries.
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Affiliation(s)
- Alexandre Perez
- Unit of Oral Surgery and Implantology, Division of Oral and Maxillofacial Surgery, Department of Surgery, Faculty of MedicineUniversity of Geneva & University Hospitals of GenevaGenevaSwitzerland
| | - Benjamin Lazzarotto
- Division of Fixed Prosthodontics and Biomaterials, Biomaterials LaboratoryUniversity of Geneva, University Clinics of Dental MedicineGenevaSwitzerland
| | - Laurine Marger
- Division of Fixed Prosthodontics and Biomaterials, Biomaterials LaboratoryUniversity of Geneva, University Clinics of Dental MedicineGenevaSwitzerland
| | - Stéphane Durual
- Division of Fixed Prosthodontics and Biomaterials, Biomaterials LaboratoryUniversity of Geneva, University Clinics of Dental MedicineGenevaSwitzerland
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Preobrazhenskii II, Putlyaev VI. 3D Printing of Hydrogel-Based Biocompatible Materials. RUSS J APPL CHEM+ 2022. [DOI: 10.1134/s1070427222060027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Garot C, Bettega G, Picart C. Additive Manufacturing of Material Scaffolds for Bone Regeneration: Toward Application in the Clinics. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2006967. [PMID: 33531885 PMCID: PMC7116655 DOI: 10.1002/adfm.202006967] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Indexed: 05/07/2023]
Abstract
Additive manufacturing (AM) allows the fabrication of customized bone scaffolds in terms of shape, pore size, material type and mechanical properties. Combined with the possibility to obtain a precise 3D image of the bone defects using computed tomography or magnetic resonance imaging, it is now possible to manufacture implants for patient-specific bone regeneration. This paper reviews the state-of-the-art of the different materials and AM techniques used for the fabrication of 3D-printed scaffolds in the field of bone tissue engineering. Their advantages and drawbacks are highlighted. For materials, specific criteria, were extracted from a literature study: biomimetism to native bone, mechanical properties, biodegradability, ability to be imaged (implantation and follow-up period), histological performances and sterilization process. AM techniques can be classified in three major categories: extrusion-based, powder-based and liquid-base. Their price, ease of use and space requirement are analyzed. Different combinations of materials/AM techniques appear to be the most relevant depending on the targeted clinical applications (implantation site, presence of mechanical constraints, temporary or permanent implant). Finally, some barriers impeding the translation to human clinics are identified, notably the sterilization process.
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Affiliation(s)
- Charlotte Garot
- CEA, Université de Grenoble Alpes, CNRS, ERL 5000, IRIG Institute, 17 rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR 5628, LMGP, 3 parvis Louis Néel F-38016 Grenoble, France
| | - Georges Bettega
- Service de chirurgie maxillo-faciale, Centre Hospitalier Annecy-Genevois, 1 avenue de l’hôpital, F-74370 Epagny Metz-Tessy, France
- INSERM U1209, Institut Albert Bonniot, F-38000 Grenoble, France
| | - Catherine Picart
- CEA, Université de Grenoble Alpes, CNRS, ERL 5000, IRIG Institute, 17 rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR 5628, LMGP, 3 parvis Louis Néel F-38016 Grenoble, France
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Liu J, Zhou P, Smith J, Xu S, Huang C. A Plastic β-Tricalcium Phosphate/Gelatine Scaffold Seeded with Allogeneic Adipose-Derived Stem Cells for Mending Rabbit Bone Defects. Cell Reprogram 2021; 23:35-46. [PMID: 33400599 DOI: 10.1089/cell.2020.0031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
To investigate the feasibility of β-tricalcium phosphate (TCP)/gelatine scaffold combined with allogeneic adipose-derived stem cells (ASCs) to repair hole shape defect, third-passage ASCs were seeded onto composite scaffolds to prepare an ASC-β-TCP/gelatine tissue-engineered bone to pack into the rabbit cavernous bone defects of experimental groups. In animal models, the bone defect area was completely filled and difficult to recognize in the experimental group at 12 weeks post-surgery by gross observation and radiographic examination. The average bone mineral density value of them was higher than that of the control group. Because of the biocompatibility with allogenic ASCs and the osteoconductivity of β-TCP/gelatine scaffolds, β-TCP/gelatine is suitable as a plastic scaffold for the ASC-seeded tissue-engineered bone to repair cavernous defects.
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Affiliation(s)
- Jia Liu
- Application Characteristic Discipline of Hunan Province, Changsha Medical University, Changsha, China
| | - Peng Zhou
- Application Characteristic Discipline of Hunan Province, Changsha Medical University, Changsha, China
| | - Jane Smith
- School of Biological Science and Technology, Central South University, Changsha, China
| | - Saiqun Xu
- School of Biological Science and Technology, Central South University, Changsha, China
| | - Chunxia Huang
- Application Characteristic Discipline of Hunan Province, Changsha Medical University, Changsha, China
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Azizi Machekposhti S, Movahed S, Narayan RJ. Physicochemical parameters that underlie inkjet printing for medical applications. BIOPHYSICS REVIEWS 2020; 1:011301. [PMID: 38505627 PMCID: PMC10903396 DOI: 10.1063/5.0011924] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/14/2020] [Indexed: 03/21/2024]
Abstract
One of the most common types of 3D printing technologies is inkjet printing due to its numerous advantages, including low cost, programmability, high resolution, throughput, and speed. Inkjet printers are also capable of fabricating artificial tissues with physiological characteristics similar to those of living tissues. These artificial tissues are used for disease modeling, drug discovery, drug screening, and replacements for diseased or damaged tissues. This paper reviews recent advancements in one of the most common 3D printing technologies, inkjet dispensing. We briefly consider common printing techniques, including fused deposition modeling (FDM), stereolithography (STL), and inkjet printing. We briefly discuss various steps in inkjet printing, including droplet generation, droplet ejection, interaction of droplets on substrates, drying, and solidification. We also discuss various parameters that affect the printing process, including ink properties (e.g., viscosity and surface tension), physical parameters (e.g., internal diameter of printheads), and actuation mechanisms (e.g., piezoelectric actuation and thermal actuation). Through better understanding of common 3D printing technologies and the parameters that influence the printing processes, new types of artificial tissues, disease models, and structures for drug discovery and drug screening may be prepared. This review considers future directions in inkjet printing research that are focused on enhancing the resolution, printability, and uniformity of printed structures.
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Affiliation(s)
| | - Saeid Movahed
- Department of Biomedical Engineering, University of North Carolina/North Carolina State University, Room 4130, 1845 Entrepreneur Drive, Raleigh, North Carolina 27695–7115, USA
| | - Roger J. Narayan
- Department of Biomedical Engineering, University of North Carolina/North Carolina State University, Room 4130, 1845 Entrepreneur Drive, Raleigh, North Carolina 27695–7115, USA
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Jacob S, Nair AB, Patel V, Shah J. 3D Printing Technologies: Recent Development and Emerging Applications in Various Drug Delivery Systems. AAPS PharmSciTech 2020; 21:220. [PMID: 32748243 DOI: 10.1208/s12249-020-01771-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/22/2020] [Indexed: 02/06/2023] Open
Abstract
The 3D printing is considered as an emerging digitized technology that could act as a key driving factor for the future advancement and precise manufacturing of personalized dosage forms, regenerative medicine, prosthesis and implantable medical devices. Tailoring the size, shape and drug release profile from various drug delivery systems can be beneficial for special populations such as paediatrics, pregnant women and geriatrics with unique or changing medical needs. This review summarizes various types of 3D printing technologies with advantages and limitations particularly in the area of pharmaceutical research. The applications of 3D printing in tablets, films, liquids, gastroretentive, colon, transdermal and intrauterine drug delivery systems as well as medical devices have been briefed. Due to the novelty and distinct features, 3D printing has the inherent capacity to solve many formulation and drug delivery challenges, which are frequently associated with poorly aqueous soluble drugs. Recent approval of Spritam® and publication of USFDA technical guidance on additive manufacturing related to medical devices has led to an extensive research in various field of drug delivery systems and bioengineering. The 3D printing technology could be successfully implemented from pre-clinical phase to first-in-human trials as well as on-site production of customized formulation at the point of care having excellent dose flexibility. Advent of innovative 3D printing machineries with built-in flexibility and quality with the introduction of new regulatory guidelines would rapidly integrate and revolutionize conventional pharmaceutical manufacturing sector.
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Nadagouda MN, Rastogi V, Ginn M. A review on 3D printing techniques for medical applications. Curr Opin Chem Eng 2020. [DOI: 10.1016/j.coche.2020.05.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Umeyama R, Yamawaki T, Liu D, Kanazawa S, Takato T, Hoshi K, Hikita A. Optimization of culture duration of bone marrow cells before transplantation with a β-tricalcium phosphate/recombinant collagen peptide hybrid scaffold. Regen Ther 2020; 14:284-295. [PMID: 32462057 PMCID: PMC7240285 DOI: 10.1016/j.reth.2020.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/15/2020] [Accepted: 04/04/2020] [Indexed: 01/05/2023] Open
Abstract
INTRODUCTION Currently, various kinds of materials are used for the treatment of bone defects. In general, these materials have a problem of formativeness. The three -dimensional (3D) printing technique has been introduced to fabricate artificial bone with arbitrary shapes, but poor bone replacement is still problematic.Our group has created a β⁻tricalcium phosphate (β⁻TCP) scaffold by applying 3D printing technology. This scaffold has an arbitrary shape and an internal structure suitable for cell loading, growth, and colonization. The scaffold was coated with a recombinant collagen peptide (RCP) to promote bone replacement.As indicated by several studies, cells loaded to scaffolds promote bone regeneration, especially when they are induced osteoblastic differentiation before transplantation. In this study, culture duration for bone marrow cells was optimized before being loaded to this new scaffold material. METHOD Bone marrow cells isolated from C57BL/6J mice were subjected to osteogenic culture for 4, 7, and 14 days. The differentiation status of the cells was examined by alkaline phosphatase staining, alizarin red staining, and real-time RT-PCR for differentiation markers. In addition, the flow of changes in the abundance of endothelial cells and monocytes was analyzed by flow cytometry according to the culture period of bone marrow cells.Next, cells at days 4, 7, and 14 of culture were placed on a β-TCP/RCP scaffold and implanted subcutaneously into the back of C57BL/6J mice. Grafts were harvested and evaluated histologically 8 weeks later. Finally, Cells cultured for 7 days were also transplanted subperiosteally in the skull of the mouse with scaffolds. RESULT Alkaline phosphatase staining was most prominent at 7 days, and alizarin red staining was positive at 14 days. Real-time RT-PCR revealed that Runx2 and Alp peaked at 7 days, while expression of Col1a1 and Bglap was highest at 14 days. Flow cytometry indicated that endothelial cells increased from day 0 to day 7, while monocytes increased continuously from day 0 to day 14. When transplanted into mice, the scaffold with cells cultured for 7 days exhibited the most prominent osteogenesis. The scaffold, which was transplanted subperiosteally in the skull, retained its shape and was replaced with regenerated bone over a large area of the field of view. CONCLUSION Osteoblasts before full maturation are most efficient for bone regeneration, and the pre-culture period suitable for cells to be loaded onto a β-TCP/RCP hybrid scaffold is approximately 7 days.This β-TCP/RCP hybrid scaffolds will also be useful for bone augmentation.
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Affiliation(s)
- Ryo Umeyama
- Department of Sensory and Motor System Medicine, Department of Oral-maxillofacial Surgery, Dentistry and Orthodontics, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Takanori Yamawaki
- Department of Sensory and Motor System Medicine, Department of Oral-maxillofacial Surgery, Dentistry and Orthodontics, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Dan Liu
- Department of Sensory and Motor System Medicine, Department of Oral-maxillofacial Surgery, Dentistry and Orthodontics, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Sanshiro Kanazawa
- Department of Sensory and Motor System Medicine, Department of Oral-maxillofacial Surgery, Dentistry and Orthodontics, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Tsuyoshi Takato
- JR Tokyo General Hospital, 2-1-3 Yoyogi, Shibuya, Tokyo 151-8528
| | - Kazuto Hoshi
- Department of Sensory and Motor System Medicine, Department of Oral-maxillofacial Surgery, Dentistry and Orthodontics, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- Department of Cell & Tissue Engineering (FUJISOFT), Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Atsuhiko Hikita
- Department of Cell & Tissue Engineering (FUJISOFT), Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
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Azizi Machekposhti S, Mohaved S, Narayan RJ. Inkjet dispensing technologies: recent advances for novel drug discovery. Expert Opin Drug Discov 2019; 14:101-113. [DOI: 10.1080/17460441.2019.1567489] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
| | - Saeid Mohaved
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Raleigh, NC, USA
| | - Roger J. Narayan
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Raleigh, NC, USA
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Oberoi G, Nitsch S, Edelmayer M, Janjić K, Müller AS, Agis H. 3D Printing-Encompassing the Facets of Dentistry. Front Bioeng Biotechnol 2018; 6:172. [PMID: 30525032 PMCID: PMC6262086 DOI: 10.3389/fbioe.2018.00172] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 10/29/2018] [Indexed: 12/14/2022] Open
Abstract
This narrative review presents an overview on the currently available 3D printing technologies and their utilization in experimental, clinical and educational facets, from the perspective of different specialties of dentistry, including oral and maxillofacial surgery, orthodontics, endodontics, prosthodontics, and periodontics. It covers research and innovation, treatment modalities, education and training, employing the rapidly developing 3D printing process. Research-oriented advancement in 3D printing in dentistry is witnessed by the rising number of publications on this topic. Visualization of treatment outcomes makes it a promising clinical tool. Educational programs utilizing 3D-printed models stimulate training of dental skills in students and trainees. 3D printing has enormous potential to ameliorate oral health care in research, clinical treatment, and education in dentistry.
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Affiliation(s)
- Gunpreet Oberoi
- Department of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria.,Center for Medical Physics and Biomedical Engineering, Medical University Vienna, Vienna, Austria
| | - Sophie Nitsch
- Department of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Department of Health Sciences, FH Wien, University of Applied Sciences, Vienna, Austria
| | - Michael Edelmayer
- Austrian Cluster for Tissue Regeneration, Vienna, Austria.,Department of Oral Surgery, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Klara Janjić
- Department of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Anna Sonja Müller
- Department of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Hermann Agis
- Department of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
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Simunovic F, Winninger O, Strassburg S, Koch HG, Finkenzeller G, Stark GB, Lampert FM. Increased differentiation and production of extracellular matrix components of primary human osteoblasts after cocultivation with endothelial cells: A quantitative proteomics approach. J Cell Biochem 2018; 120:396-404. [PMID: 30126049 DOI: 10.1002/jcb.27394] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 07/09/2018] [Indexed: 12/19/2022]
Abstract
Coculturing of bone-forming and blood vessel-forming cells is a strategy aimed at increasing vascularity of implanted bone constructs in tissue-engineering applications. We previously described that the coculture of primary human osteoblasts (hOBs) and human umbilical vein endothelial cells (HUVECs) improves the differentiation of both cell types, leading to the formation of functional blood vessels and enhanced bone regeneration. The objective of this study was to further delineate the multifaceted interactions between both cell types. To investigate the proteome of hOBs after cocultivation with HUVECs we used stable isotope labeling by amino acids in cell culture, revealing 49 significantly upregulated, and 54 significantly downregulated proteins. Amongst the highest regulated proteins, we found the proteins important for osteoblast differentiation, cellular adhesion, and extracellular matrix function, notably: connective tissue growth factor, desmoplakin, galectin-3, and cyclin-dependent kinase 6. The findings were confirmed by enzyme-linked immunosorbent assays. We also investigated whether the mRNA transcripts correlate with the changes in protein levels by quantitative real-time reverse transcription polymerase chain reaction. In addition, the data was compared to our previous microarray analysis of hOB transcriptome. Taken together, this in-depth analysis delivers reliable data suggesting the importance of coculturing of hOBs and HUVECs in tissue engineering.
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Affiliation(s)
- F Simunovic
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - O Winninger
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - S Strassburg
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - H G Koch
- Institute of Biochemistry and Molecular Biology, Faculty of Medicine, Albert-Ludwigs University Freiburg, Freiburg, Germany
| | - G Finkenzeller
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - G B Stark
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
| | - F M Lampert
- Department of Plastic and Hand Surgery, Faculty of Medicine, Medical Center, University of Freiburg, Freiburg, Germany
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Gaviria L, Pearson JJ, Montelongo SA, Guda T, Ong JL. Three-dimensional printing for craniomaxillofacial regeneration. J Korean Assoc Oral Maxillofac Surg 2017; 43:288-298. [PMID: 29142862 PMCID: PMC5685857 DOI: 10.5125/jkaoms.2017.43.5.288] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 09/11/2017] [Indexed: 12/23/2022] Open
Abstract
Craniomaxillofacial injuries produce complex wound environments involving various tissue types and treatment strategies. In a clinical setting, care is taken to properly irrigate and stabilize the injury, while grafts are molded in an attempt to maintain physiological functionality and cosmesis. This often requires multiple surgeries and grafts leading to added discomfort, pain and financial burden. Many of these injuries can lead to disfigurement and resultant loss of system function including mastication, respiration, and articulation, and these can lead to acute and long-term psychological impact on the patient. A main causality of these issues is the lack of an ability to spatially control pre-injury morphology while maintaining shape and function. With the advent of additive manufacturing (three-dimensional printing) and its use in conjunction with biomaterial regenerative strategies and stem cell research, there is an increased potential capacity to alleviate such limitations. This review focuses on the current capabilities of additive manufacturing platforms, completed research and potential for future uses in the treatment of craniomaxillofacial injuries, with an in-depth discussion of regeneration of the periodontal complex and teeth.
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Affiliation(s)
- Laura Gaviria
- Department of Biomedical Engineering, College of Engineering, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Joseph J Pearson
- Department of Biomedical Engineering, College of Engineering, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Sergio A Montelongo
- Department of Biomedical Engineering, College of Engineering, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Teja Guda
- Department of Biomedical Engineering, College of Engineering, The University of Texas at San Antonio, San Antonio, TX, USA
| | - Joo L Ong
- Department of Biomedical Engineering, College of Engineering, The University of Texas at San Antonio, San Antonio, TX, USA
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