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Phothichailert S, Samoun S, Fournier BP, Isaac J, Nelwan SC, Osathanon T, Nowwarote N. MSCs-Derived Decellularised Matrix: Cellular Responses and Regenerative Dentistry. Int Dent J 2024:S0020-6539(24)00065-0. [PMID: 38494389 DOI: 10.1016/j.identj.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 02/12/2024] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
The decellularised extracellular matrix (dECM) of in vitro cell culture is a naturally derived biomaterial formed by the removal of cellular components. The compositions of molecules in the extracellular matrix (ECM) differ depending on various factors, including the culture conditions. Cell-derived ECM provides a 3-dimensional structure that has a complex influence on cell signalling, which in turn affects cell survival and differentiation. This review describes the effects of dECM derived from mesenchymal stem cells (MSCs) on cell responses, including cell migration, cell proliferation, and cell differentiation in vitro. Published articles were searched in the PubMed databases in 2005 to 2022, with assigned keywords (MSCs and decellularisation and cell culture). The 41 articles were reviewed, with the following criteria. (1) ECM was produced exclusively from MSCs; (2) decellularisation processes were performed; and (3) the dECM production was discussed in terms of culture systems and specific supplementations that are suitable for creating the dECM biomaterials. The dECM derived from MSCs supports cell adhesion, enhances cell proliferation, and promotes cell differentiation. Importantly, dECM derived from dental MSCs shows promise in regenerative dentistry applications. Therefore, the literature strongly supports cell-based dECMs as a promising option for innovative tissue engineering approaches for regenerative medicine.
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Affiliation(s)
- Suphalak Phothichailert
- Center of Excellence for Dental Stem Cell Biology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Shirel Samoun
- Centre de Recherche des Cordeliers, Université Paris Cité, Sorbonne Universite, INSERM UMRS1138, Molecular Oral Pathophysiology, Paris, France
| | - Benjamin P Fournier
- Centre de Recherche des Cordeliers, Université Paris Cité, Sorbonne Universite, INSERM UMRS1138, Molecular Oral Pathophysiology, Paris, France; Department of Oral Biology, Faculty of Dentistry, Université Paris Cité, Paris, France
| | - Juliane Isaac
- Centre de Recherche des Cordeliers, Université Paris Cité, Sorbonne Universite, INSERM UMRS1138, Molecular Oral Pathophysiology, Paris, France; Department of Oral Biology, Faculty of Dentistry, Université Paris Cité, Paris, France
| | - Sindy Cornelia Nelwan
- Department of Pediatric Dentistry, Faculty of Dental Medicine, Universitas Airlangga, Airlangga, Indonesia
| | - Thanaphum Osathanon
- Center of Excellence for Dental Stem Cell Biology, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand; Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
| | - Nunthawan Nowwarote
- Centre de Recherche des Cordeliers, Université Paris Cité, Sorbonne Universite, INSERM UMRS1138, Molecular Oral Pathophysiology, Paris, France; Department of Oral Biology, Faculty of Dentistry, Université Paris Cité, Paris, France.
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Grawish ME. Human dental pulp stem/stromal cells in clinical practice. World J Stem Cells 2024; 16:54-57. [PMID: 38455102 PMCID: PMC10915954 DOI: 10.4252/wjsc.v16.i2.54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/28/2023] [Accepted: 01/30/2024] [Indexed: 02/26/2024] Open
Abstract
Dental pulp stem/stromal cells (DPSCs) are fibroblast-like, neural crest-derived, and multipotent cells that can differentiate into several lineages. They are relatively easy to isolate from healthy and inflamed pulps, with little ethical concerns and can be successfully cryopreserved and thawed. The therapeutic effects of DPSCs derived from animal or human sources have been extensively studied through in-vitro and in-vivo animal experiments and the findings indicated that DPSCs are effective not only for dental diseases but also for systemic diseases. Understanding that translational research is a critical step through which the fundamental scientific discoveries could be translated into applicable diagnostics and therapeutics that directly benefit humans, several clinical studies were carried out to generate evidence for the efficacy and safety of autogenous or allogeneic human DPSCs (hDPSCs) as a treatment modality for use in cell-based therapy, regenerative medicine/dentistry and tissue engineering. In clinical medicine, hDPSCs were effective for treating acute ischemic stroke and human exfoliated deciduous teeth-conditioned medium (SHED-CM) repaired vascular damage of the corpus cavernous, which is the main cause of erectile dysfunction. Whereas in clinical dentistry, autologous SHED was able to regenerate necrotic dental pulp after implantation into injured teeth, and micrografts enriched with autologous hDPSCs and collagen sponge were considered a treatment option for human intrabony defects. In contrast, hDPSCs did not add a significant regenerative effect when they were used for the treatment of post-extraction sockets. Large-scale clinical studies across diverse populations are still lacking to provide robust evidence on the safety and efficacy of hDPSCs as a new treatment option for various human diseases including dental-related problems.
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Affiliation(s)
- Mohammed E Grawish
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 35561, Egypt
- Department of Oral Biology, Faculty of Oral and Dental Medicine, Delta University for Science and Technology, Mansoura 11152, Egypt.
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Shah P, Aghazadeh M, Rajasingh S, Dixon D, Jain V, Rajasingh J. Stem cells in regenerative dentistry: Current understanding and future directions. J Oral Biosci 2024:S1349-0079(24)00019-7. [PMID: 38403241 DOI: 10.1016/j.job.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/15/2024] [Accepted: 02/18/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Regenerative dentistry aims to enhance the structure and function of oral tissues and organs. Modern tissue engineering harnesses cell and gene-based therapies to advance traditional treatment approaches. Studies have demonstrated the potential of mesenchymal stem cells (MSCs) in regenerative dentistry, with some progressing to clinical trials. This review comprehensively examines animal studies that have utilized MSCs for various therapeutic applications. Additionally, it seeks to bridge the gap between related findings and the practical implementation of MSC therapies, offering insights into the challenges and translational aspects involved in transitioning from preclinical research to clinical applications. HIGHLIGHTS To achieve this objective, we have focused on the protocols and achievements related to pulp-dentin, alveolar bone, and periodontal regeneration using dental-derived MSCs in both animal and clinical studies. Various types of MSCs, including dental-derived cells, bone-marrow stem cells, and umbilical cord stem cells, have been employed in root canals, periodontal defects, socket preservation, and sinus lift procedures. Results of such include significant hard tissue reconstruction, functional pulp regeneration, root elongation, periodontal ligament formation, and cementum deposition. However, cell-based treatments for tooth and periodontium regeneration are still in early stages. The increasing demand for stem cell therapies in personalized medicine underscores the need for scientists and responsible organizations to develop standardized treatment protocols that adhere to good manufacturing practices, ensuring high reproducibility, safety, and cost-efficiency. CONCLUSION Cell therapy in regenerative dentistry represents a growing industry with substantial benefits and unique challenges as it strives to establish sustainable, long-term, and effective oral tissue regeneration solutions.
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Affiliation(s)
- Pooja Shah
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Marziyeh Aghazadeh
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Sheeja Rajasingh
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Douglas Dixon
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA; Department of Periodontology, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Vinay Jain
- Department of Prosthodontics, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Johnson Rajasingh
- Department of Bioscience Research, College of Dentistry, University of Tennessee Health Science Center, Memphis, TN, USA; Department of Medicine-Cardiology, University of Tennessee Health Science Center, Memphis, TN, USA; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, TN, USA.
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Thalakiriyawa DS, Dissanayaka WL. Advances in Regenerative Dentistry Approaches: An Update. Int Dent J 2024; 74:25-34. [PMID: 37541918 PMCID: PMC10829373 DOI: 10.1016/j.identj.2023.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/13/2023] [Accepted: 07/15/2023] [Indexed: 08/06/2023] Open
Abstract
Regenerative dentistry is a rapidly evolving field in dentistry, which has been driven by advancements in biomedical engineering research and the rising treatment expectations and demands that exceed the scope of conventional approaches. Tissue engineering, the foundation of regenerative dentistry, mainly focuses on 3 key components: stem cells, bioactive molecules, and scaffolds. Dental tissue-derived stem cells are especially significant in this regard due to their remarkable properties. Regenerative techniques have provided novel approaches to many conventional treatment strategies in various disciplines of dentistry. For instance, regenerative endodontic procedures such as pulp revascularisation have provided an alternative approach to conventional root canal treatment. In addition, conventional surgical and nonsurgical periodontal treatment is being taken over by modified approaches of guided tissue regeneration with the aid of 3-dimensional bioprinting and computer-aided design, which has revolutionised oral and maxillofacial tissue engineering. This review presents a concise overview of the latest treatment strategies that have emerged into clinical practice, potential future technologies, and the role of dental tissue-derived stem cells in regenerative dentistry.
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Affiliation(s)
| | - Waruna Lakmal Dissanayaka
- Applied Oral Sciences & Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong.
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Jain P, Yu-Tong Lin R, Mishra K, Handral H, Dubey N. Three-dimensional eco-friendly bacterial nanocellulose (BNC) scaffold for regenerative dentistry: Characterization, cytocompatibility and differentiation potential. Dent Mater 2024; 40:151-157. [PMID: 37945385 DOI: 10.1016/j.dental.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/26/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE Regenerative dentistry (RD) is an innovative strategy for treating necrotic teeth and regenerating damaged dental tissue. Biocompatible materials are pivotal for the advancement of RD, and the rising interest in environmental sustainability drives exploration of sustainable materials for dentistry. Bacterial nanocellulose (BNC) has emerged as a promising eco-friendly option and this study aims to assess BNC's suitability as scaffolds for regenerative dentistry applications. METHODS Different in vitro methods have been utilized to characterize the properties of BNC scaffolds in regenerative dentistry, such as scanning electron microscopy (SEM) to analyse surface property and porosity, as well as examining their absorption behaviour using phosphate-buffered saline and bovine serum. Dental pulp stem cell (DPSCs) attachment, viability, and proliferation were evaluated using SEM, live and dead, and tetrazolium reduction assays. The odontogenic potential of the scaffold was evaluated using Alizarin Red staining and qPCR (14 and 21 days). RESULTS Scanning electron microscopy (SEM) images and ethanol displacement method demonstrated the porous architecture of the BNC scaffold with an average porosity of 70.02 ± 4.74% and 50.26 ± 1.43% respectively. The scaffold absorbed 2846.54 ± 258.95 of BSA and 1648.63 ± 50.37% PBS after immersion in solution for 1 h, following pseudo first and second order kinetics. The biocompatibility assay indicated that cell density increased with time and that the scaffold was appropriate for cell adhesion and migration. Moreover, the BNC led to significantly higher mineralization and odontogenic expression compared to the control (BNC in conditioned media). SIGNIFICANCE BNC showed fast adsorption of bovine serum, allowed DPSC attachment, migration, and odontogenic differentiation. This suggests its suitability as a biocompatible scaffold for triggering in situ mineralized tissue regeneration for regenerative dental applications.
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Affiliation(s)
- Pooja Jain
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Ruby Yu-Tong Lin
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Keerti Mishra
- Department of Biological Sciences, National University of Singapore, Singapore
| | - Harish Handral
- Stem Cell Bioprocessing, Bioprocessing Technology Institute, A⁎STAR, Singapore 138668, Singapore
| | - Nileshkumar Dubey
- Faculty of Dentistry, National University of Singapore, Singapore; ORCHIDS: Oral Care Health Innovations and Designs Singapore, National University of Singapore, Singapore.
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Elad A, Pul L, Rider P, Rogge S, Witte F, Tadić D, Mijiritsky E, Kačarević ŽP, Steigmann L. Resorbable magnesium metal membrane for sinus lift procedures: a case series. BMC Oral Health 2023; 23:1006. [PMID: 38097992 PMCID: PMC10722874 DOI: 10.1186/s12903-023-03695-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 11/22/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND The purpose of this case series was to demonstrate the use of a magnesium membrane for repairing the perforated membrane in both direct and indirect approaches, as well as its application in instances where there has been a tear of the Schneiderian membrane. CASE PRESENTATION The case series included four individual cases, each demonstrating the application of a magnesium membrane followed by bone augmentation using a mixture of xenograft and allograft material in the sinus cavity. In the first three cases, rupture of Schneiderian membrane occurred as a result of tooth extraction, positioning of the dental implant, or as a complication during the procedure. In the fourth case, Schneiderian membrane was perforated as a result of the need to aspirate a polyp in the maxillary sinus. In case one, 10 mm of newly formed bone is visible four months after graft placement. Other cases showed between 15 and 20 mm of newly formed alveolar bone. No residual magnesium membrane was seen on clinical inspection. The vertical and horizontal augmentations proved stable and the dental implants were placed in the previously grafted sites. CONCLUSION Within the limitations of this case series, postoperative clinical examination, and panoramic and CBCT images demonstrated that resorbable magnesium membrane is a viable material for sinus lift and Schneiderian membrane repair. The case series showed successful healing and formation of new alveolar bone with separation of the oral cavity and maxillary sinus in four patients.
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Affiliation(s)
| | - Luka Pul
- Department of Dental Medicine, Faculty of Dental Medicine and Health Osijek, J.J. Strossmayer University of Osijek, Crkvena 21, 31 000, Osijek, Croatia
| | | | - Svenja Rogge
- Botiss Biomaterials GmbH, 15806, Zossen, Germany
| | - Frank Witte
- Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, Aßmannshauser Straße, 4-6, 14197, Berlin, Germany
| | - Dražen Tadić
- Botiss Biomaterials GmbH, 15806, Zossen, Germany
| | - Eitan Mijiritsky
- Department of Head and Neck and Maxillofacial Surgery, Tel-Aviv Sourasky Medical Center, The Sackler Faculty of Medicine, Tel-Aviv University, 6139001, Tel Aviv, Israel
| | - Željka Perić Kačarević
- Botiss Biomaterials GmbH, 15806, Zossen, Germany.
- Department of Anatomy, Histology, Embryology, Pathology Anatomy and Pathology Histology, Faculty of Dental Medicine and Health Osijek, J.J. Strossmayer University of Osijek, Crkvena 21, 31 000, Osijek, Croatia.
| | - Larissa Steigmann
- Department of Oral Medicine, Infection, and Immunity, Division of Periodontology, Harvard School of Dental Medicine, Boston, MA, USA
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Carvalho RG, Patekoski LF, Puppin-Rontani RM, Nakaie CR, Nascimento FD, Tersariol ILS. Self-assembled peptide P11-4 interacts with the type I collagen C-terminal telopeptide domain and calcium ions. Dent Mater 2023; 39:708. [PMID: 37394390 DOI: 10.1016/j.dental.2023.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/31/2023] [Accepted: 06/14/2023] [Indexed: 07/04/2023]
Abstract
OBJECTIVES Evaluate molecularly the role of P11-4 self-assembly peptide in dentin remineralization and its interaction with collagen I. METHODS The calcium-responsive P11-4 peptide was analyzed by intrinsic fluorescence emission spectrum, circular dichroism spectrum (CD), and atomic force microscope (AFM). Differential light scattering was used to monitor the nucleation growth rate of calcium phosphate nanocrystals in the absence or in the presence of P11-4. AFM was used to analyze the radial size (nm) of calcium phosphate nanocrystals formed in the absence or in the presence of P11-4, as well as to verify the spatial structure of P11-4 in the absence or in the presence of Ca2+. RESULTS The interaction of Ca2+ with the P11-4 (KD = 0.58 ± 0.06 mM) promotes the formation of β-sheet antiparallel structure, leads to its precipitation in saturated solutions of Ca/P = 1.67 and induces the formation of parallel large fibrils (0.6 - 1.5 µm). P11-4 organized the HAP nucleation by reducing both the growth rate and size variability of nanocrystals, analyzed by the F test (p < 0.0001, N = 30). P11-4 interacts (KD = 0.75 ± 0.06 μM) with the KGHRGFSGL motif present at the C-terminal collagen telopeptide domain. P11-4 also increased the amount of HAP and collagen in the MDPC-23 cells. SIGNIFICANCE The presented data propose a mechanism that will help future clinical and/or basic research to better understand a molecule able to inhibit structural collagen loss and help the impaired tissue to remineralize.
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Affiliation(s)
- Rafael Guzella Carvalho
- Department of Biochemistry, Molecular Biology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Luiz Fernando Patekoski
- Department of Biochemistry, Molecular Biology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Regina M Puppin-Rontani
- Department of Health Sciences and Pediatric Dentistry, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil
| | - Clovis Ryuichi Nakaie
- Department of Biophysics, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Fabio Dupart Nascimento
- Department of Biochemistry, Molecular Biology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, SP, Brazil.
| | - Ivarne L S Tersariol
- Department of Biochemistry, Molecular Biology Division, Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, SP, Brazil.
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Ramli H, Yusop N, Ramli R, Berahim Z, Peiris R, Ghani N. Application of neurotransmitters and dental stem cells for pulp regeneration: A review. Saudi Dent J 2023; 35:387-394. [PMID: 37520592 PMCID: PMC10373085 DOI: 10.1016/j.sdentj.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 05/07/2023] [Accepted: 05/07/2023] [Indexed: 08/01/2023] Open
Abstract
Introduction Although there have been many studies on stem cells, few have investigated how neurotransmitters and stem cell proliferation interact to regenerate dental pulp. Dental pulp regeneration is an innovative procedure for reviving dental pulp, if feasible for the entire tooth. Upon tooth injury, activated platelets release serotonin and dopamine in bulk to mobilize dental pulp stem cells to mediate natural dental repair. This has induced research on the role of neurotransmitters in increasing the proliferation rate of stem cells. This review also covers prospective future treatments for dental pulp regeneration. Methods A literature search was performed via PubMed and ScienceDirect from 2001 to 2022, using the keywords "neurotransmitter," "stem cell," "tooth regeneration," "tooth repair," "regenerative dentistry," and "dental pulp." Different inclusion/exclusion criteria were used, and the search was restricted to English articles. Results Nine publications reporting neurotransmitter interactions with stem cells for tooth and pulp regeneration were selected. Conclusion Neurotransmitters were found to interact with dental stem cells. Evidence pointing to neurotransmitters as a factor in the increased proliferation of stem cells was found. This review thus gives hope for tooth pulp regeneration and repair.
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Affiliation(s)
- Hidayah Ramli
- Basic and Medical Sciences Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Norhayati Yusop
- Basic and Medical Sciences Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Rosmaliza Ramli
- Basic and Medical Sciences Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
| | - Zurairah Berahim
- Periodontic Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, Kelantan 16150, Kota Bharu, Malaysia
| | - Roshan Peiris
- Department of Basic Sciences, Faculty of Dental Sciences, University of Peradeniya, 20400 Peradeniya, Sri Lanka
| | - Nurhafizah Ghani
- Basic and Medical Sciences Unit, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia
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Kong H, Liu P, Li H, Zeng X, Xu P, Yao X, Liu S, Cheng CK, Xu J. Mesenchymal Stem Cell-Derived Extracellular Vesicles: The Novel Therapeutic Option for Regenerative Dentistry. Stem Cell Rev Rep 2023; 19:46-58. [PMID: 35132538 DOI: 10.1007/s12015-022-10342-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2022] [Indexed: 01/29/2023]
Abstract
Dental mesenchymal stem cells (MSCs) are characterized by unlimited self-renewal ability and high multidirectional differentiation potential. Since dental MSCs can be easily isolated and exhibit a high capability to differentiate into odontogenic cells, they are considered as attractive therapeutic agents in regenerative dentistry. Recently, MSC-derived extracellular vesicles (MSC-EVs) have attracted widespread attention as carriers for cell-free therapy due to their potential functions. Many studies have shown that MSC-EVs can mediate microenvironment at tissue damage site, and coordinate the regeneration process. Additionally, MSC-EVs can mediate intercellular communication, thus affecting the phenotypes and functions of recipient cells. In this review, we mainly summarized the types of MSCs that could be potentially applied in regenerative dentistry, the possible molecular cargos of MSC-EVs, and the major effects of MSC-EVs on the therapeutic induction of osteogenic differentiation.
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Affiliation(s)
- Haiying Kong
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China
| | - Peiqi Liu
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China.,Second School of Clinical Medicine, Guangdong Medical University, Dongguan, Guangdong, China
| | - Hongwen Li
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China.,Shenzhen Longgang Institute of Stomatology, Shenzhen, Guangdong, China
| | - Xiantao Zeng
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China
| | - Peiwu Xu
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China
| | - Xinhui Yao
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China
| | - Senqing Liu
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China
| | - Chak Kwong Cheng
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jian Xu
- Department of Dentistry, Longgang E.N.T. Hospital & Shenzhen Key Laboratory of E.N.T, Institute of E.N.T, Shenzhen, Guangdong, China. .,Shenzhen Longgang Institute of Stomatology, Shenzhen, Guangdong, China.
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Grohe B, Mittler S. Advanced non-fluoride approaches to dental enamel remineralization: The next level in enamel repair management. Biomater Biosyst 2021; 4:100029. [PMID: 36824571 PMCID: PMC9934497 DOI: 10.1016/j.bbiosy.2021.100029] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/22/2021] [Accepted: 10/26/2021] [Indexed: 12/20/2022] Open
Abstract
In modern dentistry, a minimally invasive management of early caries lesions or early-stage erosive tooth wear (ETW) with synthetic remineralization systems has become indispensable. In addition to fluoride, which is still the non-plus-ultra in these early caries/ETW treatments, a number of new developments are in the test phase or have already been commercialized. Some of these systems claim that they are comparable or even superior to fluoride in terms of their ability to remineralize enamel. Besides, their use can help avoid some of the risks associated with fluoride and support treatments of patients with a high risk of caries. Two individual non-fluoride systems can be distinguished; intrinsic and extrinsic remineralization approaches. Intrinsic (protein/peptide) systems adsorb to hydroxyapatite crystals/organics located within enamel prisms and accumulate endogenous calcium and phosphate ions from saliva, which ultimately leads to the re-growth of enamel crystals. Extrinsic remineralization systems function on the basis of the external (non-saliva) supply of calcium and phosphate to the crystals to be re-grown. This article, following an introduction into enamel (re)mineralization and fluoride-assisted remineralization, discusses the requirements for non-fluoride remineralization systems, particularly their mechanisms and challenges, and summarizes the findings that underpin the most promising advances in enamel remineralization therapy.
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Affiliation(s)
- Bernd Grohe
- Lawson Health Research Institute, St. Joseph's Hospital, London, ON, N6A 4V2 Canada,Corresponding author at: 268 Grosvenor Street, London, ON, N6A 4V2, Canada.
| | - Silvia Mittler
- Department of Physics & Astronomy, University of Western Ontario, London, ON, N6A 3K7 Canada,Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON, N6A 5B9 Canada
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11
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Soares DG, Bordini EAF, Swanson WB, de Souza Costa CA, Bottino MC. Platform technologies for regenerative endodontics from multifunctional biomaterials to tooth-on-a-chip strategies. Clin Oral Investig 2021; 25:4749-79. [PMID: 34181097 DOI: 10.1007/s00784-021-04013-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/24/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVES The aim of this review is to highlight recent progress in the field of biomaterials-mediated dental pulp tissue engineering. Specifically, we aim to underscore the critical design criteria of biomaterial platforms that are advantageous for pulp tissue engineering, discuss models for preclinical evaluation, and present new and innovative multifunctional strategies that hold promise for clinical translation. MATERIALS AND METHODS The current article is a comprehensive overview of recent progress over the last 5 years. In detail, we surveyed the literature in regenerative pulp biology, including novel biologic and biomaterials approaches, and those that combined multiple strategies, towards more clinically relevant models. PubMed searches were performed using the keywords: "regenerative dentistry," "dental pulp regeneration," "regenerative endodontics," and "dental pulp therapy." RESULTS Significant contributions to the field of regenerative dentistry have been made in the last 5 years, as evidenced by a significant body of publications. We chose exemplary studies that we believe are progressive towards clinically translatable solutions. We close this review with an outlook towards the future of pulp regeneration strategies and their clinical translation. CONCLUSIONS Current clinical treatments lack functional and predictable pulp regeneration and are more focused on the treatment of the consequences of pulp exposure, rather than the restoration of healthy dental pulp. CLINICAL RELEVANCE Clinically, there is great demand for bioinspired biomaterial strategies that are safe, efficacious, and easy to use, and clinicians are eager for their clinical translation. In particular, we place emphasis on strategies that combine favorable angiogenesis, mineralization, and functional tissue formation, while limiting immune reaction, risk of microbial infection, and pulp necrosis.
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Queiroz A, Albuquerque-Souza E, Gasparoni LM, França BND, Pelissari C, Trierveiler M, Holzhausen M. Therapeutic potential of periodontal ligament stem cells. World J Stem Cells 2021; 13:605-618. [PMID: 34249230 PMCID: PMC8246246 DOI: 10.4252/wjsc.v13.i6.605] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/24/2021] [Accepted: 04/22/2021] [Indexed: 02/07/2023] Open
Abstract
Inflammatory periodontal disease known as periodontitis is one of the most common conditions that affect human teeth and often leads to tooth loss. Due to the complexity of the periodontium, which is composed of several tissues, its regeneration and subsequent return to a homeostatic state is challenging with the therapies currently available. Cellular therapy is increasingly becoming an alternative in regenerative medicine/dentistry, especially therapies using mesenchymal stem cells, as they can be isolated from a myriad of tissues. Periodontal ligament stem cells (PDLSCs) are probably the most adequate to be used as a cell source with the aim of regenerating the periodontium. Biological insights have also highlighted PDLSCs as promising immunomodulator agents. In this review, we explore the state of knowledge regarding the properties of PDLSCs, as well as their therapeutic potential, describing current and future clinical applications based on tissue engineering techniques.
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Affiliation(s)
- Aline Queiroz
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Emmanuel Albuquerque-Souza
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Leticia Miquelitto Gasparoni
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Bruno Nunes de França
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Cibele Pelissari
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Marília Trierveiler
- Laboratory of Stem Cell Biology in Dentistry-LABITRON, Department of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Marinella Holzhausen
- Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
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Melo-Ferraz A, Coelho C, Miller P, Criado MB, Monteiro MC. Platelet activation and antimicrobial activity of L-PRF: a preliminary study. Mol Biol Rep 2021; 48:4573-4580. [PMID: 34146200 DOI: 10.1007/s11033-021-06487-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 06/08/2021] [Indexed: 02/01/2023]
Abstract
Leukocyte and platelet rich fibrin (L-PRF) is one of the platelet concentrates used to support regeneration and healing process. Many studies showed possible immunological and antibacterial properties of L-PRF. We perform an in vitro study to analyze the effect of L-PRF on platelet activation, platelet-leukocytes interactions and antimicrobial activity, important components in the healing process. Molecular biomarkers related with platelet activation and platelet-leukocyte interactions were analyzed by means of flow cytometry when L-PRF exudate was added to whole blood platelets. L-PRF membrane was used to evaluate antimicrobial activity using Enterococcus faecalis (ATCC 29212), Pseudomonas aeruginosa (ATCC 27853) and Candida albicans (ATCC 90028). Our experimental design allows to evaluate platelet activation and analyze molecular biomarkers of other immune cells and platelet-leukocyte interactions. From the results obtained we can conclude that L-PRF can be a valuable tool in healing process, efficient in activating platelets of whole blood and inhibiting microbial growth. In our opinion, the use of L-PRF exudate, in addition to L-PRF membrane, presents some advantages that have to be considered in clinical trials. Additional research on the characterization and quantification of cells and its products present in the L-PRF exudate, as well as on the temporal factor released. Also, further studies using strains isolated from clinical cases are needed.
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Affiliation(s)
- António Melo-Ferraz
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technology, CESPU-Cooperativa de Ensino Superior Politécnico e Universitário, Rua Central de Gandra 1317, 4585 116, Gandra, PRD, Portugal
| | - Cristina Coelho
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technology, CESPU-Cooperativa de Ensino Superior Politécnico e Universitário, Rua Central de Gandra 1317, 4585 116, Gandra, PRD, Portugal
| | - Paulo Miller
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technology, CESPU-Cooperativa de Ensino Superior Politécnico e Universitário, Rua Central de Gandra 1317, 4585 116, Gandra, PRD, Portugal
| | - Maria Begoña Criado
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technology, CESPU-Cooperativa de Ensino Superior Politécnico e Universitário, Rua Central de Gandra 1317, 4585 116, Gandra, PRD, Portugal
| | - Maria Céu Monteiro
- IINFACTS - Institute of Research and Advanced Training in Health Sciences and Technology, CESPU-Cooperativa de Ensino Superior Politécnico e Universitário, Rua Central de Gandra 1317, 4585 116, Gandra, PRD, Portugal.
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Iftikhar S, Jahanzeb N, Saleem M, Ur Rehman S, Matinlinna JP, Khan AS. The trends of dental biomaterials research and future directions: A mapping review. Saudi Dent J 2021; 33:229-238. [PMID: 34194185 PMCID: PMC8236547 DOI: 10.1016/j.sdentj.2021.01.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 12/10/2020] [Accepted: 01/03/2021] [Indexed: 12/24/2022] Open
Abstract
Objective This literature research aimed to compare, contrast and quantify the innovations in the most commonly used dental biomaterials. Methodology Original research articles based on experimental dental biomaterials published between 2007 and 2019 were retrieved and reviewed. A search of electronic databases, PubMed, Scopus, and Web of Science indexed dental/biomaterials journals, has been conducted. The inclusion criteria in this research were: synthesis of experimental dental materials, whereas commercial dental materials, review articles, and clinical trials (case reports) were excluded. Results It was found that the amount of publications related to dental subgingival implants, computer-aided modeling ceramics, aesthetic restorative materials, adhesives cements, ceramics, bioceramics, endodontic materials, bioactive scaffolds, stem cells, and guided-tissue membranes had increased significantly from 2007. At the same time, the number of publications related to dental cements, silver amalgam, and dental alloys has decreased. For characterization of dental materials it was noted that mechanical properties were tested mostly for restorative materials. On the other hand, biological properties were most assessed for dental subgingival implants and endodontic materials, however, physical properties predominantly for bioceramics. Conclusion It is concluded that to meet clinical demands there was more focus on restorative materials that provided better aesthetics, including resin composites, adhesive resin composites (luting cements), zirconia, and other ceramics. The boost in laboratory and animal research related to bioceramics was attributed to their regenerative potential. This current literature study will help growing researchers to consider and judge the direction to which research might be guided in order to plan prospective research projects.
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Affiliation(s)
- Sundus Iftikhar
- Department of Medical Education, Shalamar Medical and Dental College, Lahore 54000, Pakistan
| | - Noureen Jahanzeb
- Department of Dental Materials, University of Health Sciences, Lahore 54000, Pakistan
| | - Mehvish Saleem
- Department of Dental Biomaterials, Bakhtawar Amin Medical and Dental College, Multan 66000, Pakistan
| | - Shafiq Ur Rehman
- Deanship of Library Affairs, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
| | - Jukka Pekka Matinlinna
- Dental Materials Science, Applied Oral Sciences & Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region, P. R. China
| | - Abdul Samad Khan
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
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Diana R, Ardhani R, Kristanti Y, Santosa P. Dental pulp stem cells response on the nanotopography of scaffold to regenerate dentin-pulp complex tissue. Regen Ther 2020; 15:243-250. [PMID: 33426225 PMCID: PMC7770425 DOI: 10.1016/j.reth.2020.09.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/05/2020] [Accepted: 09/16/2020] [Indexed: 12/13/2022] Open
Abstract
The study of regenerative dentistry receives a fast growing interest. The potential ability of the dentin-pulp complex to regenerate is both promising and perplexing. To answer the challenging nature of the dental environment, scientists have developed various combinations of biomaterial scaffolds, stem cells, and incorporation of several growth factors. One of the crucial elements of this tissue engineering plan is the selection and fabrication of scaffolds. However, further findings suggest that cell behavior hugely depends on mechanical signaling. Nanotopography modifies scaffolds to alter cell migration and differentiation. However, to the best of the author's knowledge, there are very few studies addressing the correlation between nanotopography and dentin-pulp complex regeneration. Therefore, this article presents a comprehensive review of these studies and suggests a direction for future developments, particularly in the incorporation of nanotopography design for dentin-pulp complex regeneration.
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Key Words
- BDNF, brain-derived neurotrophic factor
- BMP, bone morphogenetic protein
- DPSC, dental pulp stem cell
- Dental pulp stem cell
- Dentin-pulp complex tissue
- ECM, extracellular matrix
- FGF2, fibroblast growth factor-2
- GDNF, glial cell line-derived neurotrophic factor
- GO, graphene oxide
- GelMA, methacrylated gelatin
- IGF, insulin-like growth factor
- ION-CPC, iron oxide nanoparticle-incorporating calcium phosphate cement
- LPS, lipopolysaccharide
- NGF, nerve growth factor
- Nanotopography
- PCL, polycaprolactone
- PDGF, platelet-derived growth factor
- PEGMA, poly(ethylene glycol) dimethacrylate
- PGA, polyglycolic acid
- PHMS, polyhydroxymethylsiloxane
- PLGA, poly-dl-lactic-co-glycolic acid
- PLLA, poly-l-lactic acid
- RGO, reduced graphene oxide
- Regenerative dentistry
- SACP, stem cells from apical papilla
- SDF-1, stromal cell-derived factor-1
- SHED, stem cells from human exfoliated deciduous teeth
- Scaffold
- TGF-β, transforming growth factor-β
- TNF-α, t umour necrosis factor-alpha
- VEGF, vascular endothelial growth factor
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Affiliation(s)
- Rasda Diana
- Department of Conservative Dentistry, Faculty of Dentistry Universitas Gadjah Mada, Jl Denta Sekip Utara, Yogyakarta, 55281, Indonesia
| | - Retno Ardhani
- Department of Dental Biomedical Sciences, Faculty of Dentistry Universitas Gadjah Mada, Jl Denta Sekip Utara, Yogyakarta, 55281, Indonesia
- Corresponding author. Fax: +62274 515307.
| | - Yulita Kristanti
- Department of Conservative Dentistry, Faculty of Dentistry Universitas Gadjah Mada, Jl Denta Sekip Utara, Yogyakarta, 55281, Indonesia
| | - Pribadi Santosa
- Department of Conservative Dentistry, Faculty of Dentistry Universitas Gadjah Mada, Jl Denta Sekip Utara, Yogyakarta, 55281, Indonesia
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Sato TP, Rodrigues BVM, Mello DCR, Münchow EA, Ribeiro JS, Machado JPB, Vasconcellos LMR, Lobo AO, Bottino MC, Borges ALS. The role of nanohydroxyapatite on the morphological, physical, and biological properties of chitosan nanofibers. Clin Oral Investig 2021; 25:3095-103. [PMID: 33047204 DOI: 10.1007/s00784-020-03633-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 10/07/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This study aimed to evaluate the effects of nanohydroxyapatite (nHAp) particles on the morphological, chemical, physical, and biological properties of chitosan electrospun nanofibers. MATERIALS AND METHODS nHAp particles with a 1.67 Ca/P ratio were synthesized via the aqueous precipitation method, incorporated into chitosan polymer solution (0.5 wt%), and electrospun into nHAp-loaded fibers (ChHa fibers). Neat chitosan fibers (nHAp-free, Ch fibers) were used as the control. The electrospun fiber mats were characterized using morphological, topographical, chemical, thermal, and a range of biological (antibacterial, antibiofilm, cell viability, and alkaline phosphatase [ALP] activity) analyses. Data were analyzed using ANOVA and Tukey's test (α = 0.05). RESULTS ChHa fibers demonstrated a bead-like morphology, with thinner (331 ± 110 nm) and smoother (Ra = 2.9 ± 0.3 μm) distribution as compared to the control fibers. Despite showing similar cell viability and ALP activity to Ch fibers, the ChHa fibers demonstrated greater antibacterial potential against most tested bacteria (except for P. intermedia), and higher antibiofilm activity against P. gingivalis biofilm. CONCLUSIONS The incorporation of nHAp particles did not jeopardize the overall morphology, topography, physical, and biological characteristics of the chitosan nanofibers. CLINICAL RELEVANCE The combination of nHAp particles with chitosan can be used to engineer bioactive, electrospun composite nanofibers with potential applications in regenerative dentistry.
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Al-Khateeb R, Olszewska-Czyz I. Biological molecules in dental applications: hyaluronic acid as a companion biomaterial for diverse dental applications. Heliyon 2020; 6:e03722. [PMID: 32280803 PMCID: PMC7139111 DOI: 10.1016/j.heliyon.2020.e03722] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/02/2020] [Accepted: 03/30/2020] [Indexed: 12/19/2022] Open
Abstract
Objectives The application of hyaluronic acid (HA) in dental treatments is relatively new, and modified-HA products can be vastly different from each other. This study aims to provide a basis for bridging specific characteristics of HA with its potential applications in dental treatments, evaluating and comparing different types of HA products and for future research on HA applications in dentistry. Data sources Information from the existing literature on HA applications has been cited. Study selection Furthermore, this study is specifically oriented to provide oral health care providers with a scientific basis for HA use along with the clinical aspects of HA. Conclusions Outcomes from existing and future studies cannot be generalised for HA use in dental applications. Therefore, we have proposed a scheme to bridge HA specific characteristics to its applications in dental treatments and compare different HA products used for the same clinical application to identify the most suitable one. Clinical significance Highlighting the use of HA in dental treatments and providing a basis for developing new methods, protocols, and products specifically oriented for dentistry.
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Affiliation(s)
- Rami Al-Khateeb
- Elaf Medical Supplies®, Al-Madena Al Monawara Street, Rana Centre, 5th Floor, PO. Box 1348, Zip 11941, Amman, Jordan
| | - Iwona Olszewska-Czyz
- Jagiellonian University, Medical College, Department of Periodontology and Clinical Oral Pathology, Cracow, Poland
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Tatullo M, Codispoti B, Sied J, Makeeva I, Paduano F, Marrelli M, Spagnuolo G. Stem Cells-based and Molecular-based Approaches in Regenerative Dentistry: A Topical Review. Curr Stem Cell Res Ther 2020; 14:607-616. [PMID: 31271121 DOI: 10.2174/1574888x14666190626111154] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/05/2019] [Accepted: 05/13/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Regenerative medicine is a growing branch of medicine aimed to treat damaged or lost tissues, to promote tissue formation and to restore both aesthetics and function. In the last years, several scientific articles have been focused on the regenerative procedures aimed to increase the survival rate of compromised teeth; the most effective approaches have been based on molecularbased and on cellular-based protocols; however, to date, both these techniques have not been carefully analysed and discussed, to know in details the advantages of each of them. METHODS A literature search was undertaken on three electronic scientific databases: Medline via PubMed, EMBASE and Google Scholar. Authors aimed to select such articles published in the time span from January 1961 until December 2017. The authors screened the titles and the abstracts including the following keywords combinations: "Pulp AND Therapy", "Regenerative AND Endodontic", and "Endodontics AND Tissue engineering". After the exclusion of any not related articles, the full text of such papers related to the topics was included in this review. RESULTS Following the removal of duplicate articles and of other types of publications (such as erratum and corrigendum), 621 articles were selected to be included and analysed in our topical review. The articles were analysed into the following sections: cellular-based approaches for dental regeneration, molecular-based and combined cellular/molecular-based approaches for dental regeneration, and translational applications of regenerative dentistry. CONCLUSION This topical review has been focused on the main, the most promising and the most innovative strategies for achieving the regeneration of dental pulp or dental tissues. The main and surprising "take-home message" is related to the great interest towards the dental-derived stem cells, characterized by a high angiogenic and neurogenic commitment. Future challenges will be focused on the development of biological-friendly regenerative strategies: the new approaches should overcome the current biological limitations, to promote the combined cellular and molecular-based treatments, able to ensure predictable clinical evidence, with the achievement of the regeneration/repairing of the compromised dental pulp and of the entire tooth structure.
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Affiliation(s)
- Marco Tatullo
- Tecnologica Research Institute, Biomedical Section, Crotone, Italy.,Department of Therapeutic Dentistry, Sechenov University Russia, Moscow, Russian Federation
| | - Bruna Codispoti
- Tecnologica Research Institute, Biomedical Section, Crotone, Italy
| | - Jamal Sied
- Advanced Technology Dental Research Laboratory, Faculty of Dentistry, King Abdul Aziz University, Jeddah, Saudi Arabia
| | - Irina Makeeva
- Department of Therapeutic Dentistry, Sechenov University Russia, Moscow, Russian Federation
| | - Francesco Paduano
- Tecnologica Research Institute, Biomedical Section, Crotone, Italy.,Marrelli Health, Experimental Biomedicine Section, Crotone, Italy
| | - Massimo Marrelli
- Tecnologica Research Institute, Biomedical Section, Crotone, Italy.,Marrelli Health, Experimental Biomedicine Section, Crotone, Italy
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University on Naples "Federico II", Naples, Italy
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Ha M, Athirasala A, Tahayeri A, Menezes PP, Bertassoni LE. Micropatterned hydrogels and cell alignment enhance the odontogenic potential of stem cells from apical papilla in-vitro. Dent Mater 2019; 36:88-96. [PMID: 31780101 DOI: 10.1016/j.dental.2019.10.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 10/04/2019] [Accepted: 10/24/2019] [Indexed: 12/22/2022]
Abstract
INTRODUCTION An understanding of the extracellular matrix characteristics which stimulate and guide stem cell differentiation in the dental pulp is fundamental for the development of enhanced dental regenerative therapies. Our objectives, in this study, were to determine whether stem cells from the apical papilla (SCAP) responded to substrate stiffness, whether hydrogels providing micropatterned topographical cues stimulate SCAP self-alignment, and whether the resulting alignment could influence their differentiation towards an odontogenic lineage in-vitro. METHODS Experiments utilized gelatin methacryloyl (GelMA) hydrogels of increasing concentrations (5, 10 and 15%). We determined their compressive modulus via unconfined compression and analyzed cell spreading via F-actin/DAPI immunostaining. GelMA hydrogels were micropatterned using photolithography, in order to generate microgrooves and ridges of 60 and 120μm, onto which SCAP were seeded and analyzed for self-alignment via fluorescence microscopy. Lastly, we analyzed the odontogenic differentiation of SCAP using alkaline phosphatase protein expression (ANOVA/Tukey α=0.05). RESULTS SCAP appeared to proliferate better on stiffer hydrogels. Both 60 and 120μm micropatterned hydrogels guided the self-alignment of SCAP with no significant difference between them. Similarly, both 60 and 120μm micropattern aligned cells promoted higher odontogenic differentiation than non-patterned controls. SIGNIFICANCE In summary, both substrate mechanics and geometry have a statistically significant influence on SCAP response, and may assist in the odontogenic differentiation of dental stem cells. These results may point toward the fabrication of cell-guiding scaffolds for regenerative endodontics, and may provide cues regarding the development of the pulp-dentin interface during tooth formation.
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Affiliation(s)
- Michael Ha
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
| | - Avathamsa Athirasala
- Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR, USA
| | - Anthony Tahayeri
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA
| | - Paula P Menezes
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA; Postgraduate Program in Health Sciences, Department of Pharmacy, Federal University of Sergipe, Aracaju, SE, Brazil
| | - Luiz E Bertassoni
- Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, School of Dentistry, Oregon Health and Science University, Portland, OR, USA; Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR, USA; Center for Regenerative Medicine, Oregon Health and Science University, Portland, OR, USA; Cancer Early Detection Advanced Research, Knight Cancer Institute, Portland, OR, USA.
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20
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Moonesi Rad R, Pazarçeviren E, Ece Akgün E, Evis Z, Keskin D, Şahin S, Tezcaner A. In vitro performance of a nanobiocomposite scaffold containing boron-modified bioactive glass nanoparticles for dentin regeneration. J Biomater Appl 2018; 33:834-853. [PMID: 30458663 DOI: 10.1177/0885328218812487] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Every year, many dental restoration methods are carried out in the world and most of them do not succeed. High cost of these restorations and rejection possibility of the implants are main drawbacks. For this reason, a regenerative approach for repairing the damaged dentin-pulp complex or generating a new tissue is needed. In this study, the potential of three-dimensional cellulose acetate/oxidized pullulan/gelatin-based dentin-like constructs containing 10 or 20% bioactive glass nanoparticles was studied to explore their potential for dentin regeneration. Three-dimensional nano biocomposite structures were prepared by freeze-drying/metal mold pressing methods and characterized by in vitro degradation analysis, water absorption capacity and porosity measurements, scanning electron microscopy, in vitro biomineralization analysis. During one-month incubation in phosphate buffered saline solution at 37°C, scaffolds lost about 25-30% of their weight and water absorption capacity gradually decreased with time. Scanning electron microscopy examinations showed that mean diameter of the tubular structures was about 420 µm and the distance between walls of the tubules was around 560 µm. Calcium phosphate precipitates were formed on scaffolds surfaces treated with simulated body fluid, which was enhanced by boron-modified bioactive glass addition. For cell culture studies human dental pulp stem cells were isolated from patient teeth. An improvement in cellular viability was observed for different groups over the incubation period with the highest human dental pulp stem cells viability on B7-20 scaffolds. ICP-OES analysis revealed that concentration of boron ion released from the scaffolds was between 0.2 and 1.1 mM, which was below toxic levels. Alkaline phosphatase activity and intracellular calcium amounts significantly increased 14 days after incubation with highest values in B14-10 group. Von Kossa staining revealed higher levels of mineral deposition in these groups. In this work, results indicated that developed dentin-like constructs are promising for dentin regeneration owing to presence of boron-modified bioactive glass nanoparticles.
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Affiliation(s)
- Reza Moonesi Rad
- 1 Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Engin Pazarçeviren
- 2 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Elif Ece Akgün
- 3 Department of Histology and Embryology, Afyonkocatepe University Faculty of Veterinary Medicine, Afyonkarahisar, Turkey
| | - Zafer Evis
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Dilek Keskin
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
| | - Sıla Şahin
- 6 Topraklık Mouth and Dental Health Center, Ankara, Turkey
| | - Ayşen Tezcaner
- 4 Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey.,5 Center of Excelence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
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Abstract
PURPOSE OF REVIEW Current dental treatments are based on conservative approaches, using inorganic materials and appliances.This report explores and discusses the newest achievements in the field of "regenerative dentistry," based on the concept of biological repair as an alternative to the current conservative approach. RECENT FINDINGS The review covers and critically analyzes three main approaches of tooth repair: the re-mineralization of the enamel, the biological repair of dentin, and whole tooth engineering. SUMMARY The development of a concept of biological repair based on the role of the Wnt signaling pathway in reparative dentin formation offers a new translational approach into development of future clinical dental treatments.In the field of bio-tooth engineering, the current focus of the researchers remains the establishment of odontogenic cell-sources that would be viable and easily accessible for future bio-tooth engineering.
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Affiliation(s)
- Ana Angelova Volponi
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, London, UK
| | - Lucia K. Zaugg
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, London, UK
- Department of Periodontology, Endodontology and Cariology, University Center for Dental Medicine Basel, University of Basel, Basel, Switzerland
| | - Vitor Neves
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, London, UK
| | - Yang Liu
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, London, UK
| | - Paul T. Sharpe
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, London, UK
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Grawish ME. Gingival-derived mesenchymal stem cells: An endless resource for regenerative dentistry. World J Stem Cells 2018; 10:116-118. [PMID: 30310530 PMCID: PMC6177562 DOI: 10.4252/wjsc.v10.i9.116] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 06/08/2018] [Accepted: 06/30/2018] [Indexed: 02/06/2023] Open
Abstract
The gingiva, the masticatory portion of the oral mucosa, is excised and discarded frequently during routine dental treatments and following tooth extraction, dental crown lengthening, gingivectomy and periodontal surgeries. Subsequent to excision, healing eventually happens in a short time period after gingival surgery. Clinically, the gingival tissue can be collected very easily and, in the laboratory, it is also very easy to isolate gingival-derived mesenchymal stem cells (GMSCs) from this discarded gingival tissue. GMSCs, a stem cell population within the lamina propria of the gingival tissue, can be isolated from attached and free gingiva, inflamed gingival tissues, and from hyperplastic gingiva. Comparatively, they constitute more attractive alternatives to other dental-derived mesenchymal stem cells due to the availability and accessibility of gingival tissues. They have unique immunomodulatory functions and well-documented self-renewal and multipotent differentiation properties. They display positive signals for Stro-1, Oct-4 and SSEA-4 pluripotency-associated markers, with some co-expressing Oct4/Stro-1 or Oct-4/SSEA-4. They should be considered as the best stem cell source for cell-based therapies and regenerative dentistry. The clinical use of GMSCs for regenerative dentistry represents an attractive therapeutic modality. However, numerous biological and technical challenges need to be addressed prior to considering transplantation approaches of GMSCs as clinically realistic therapies for humans.
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Affiliation(s)
- Mohammed E Grawish
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura 740005, Egypt
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23
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Abstract
iPS cells are derived from somatic cells via transduction and expression of selective transcription factors. Both viral-integrating (like retroviral) and non-integrating (like, mRNA or protein-based) techniques are available for the production of iPS cells. In the field of dentistry, iPS cells have been derived from stem cells of apical papilla, dental pulp stem cells, and stem cells from exfoliated deciduous teeth, gingival and periodontal ligament fibroblasts, and buccal mucosa fibroblasts. iPS cells have the potential to differentiate into all derivatives of the 3 primary germ layers i.e. ectoderm, endoderm, and mesoderm. They are autogeneically accessible, and can produce patient-specific or disease-specific cell lines without the issue of ethical controversy. They have been successfully tested to produce mesenchymal stem cells-like cells, neural crest-like cells, ameloblasts-like cells, odontoblasts-like cells, and osteoprogenitor cells. These cells can aid in regeneration of periodontal ligament, alveolar bone, cementum, dentin-pulp complex, as well as possible Biotooth formation. However certain key issues like, epigenetic memory of iPS cells, viral-transduction, tumorgenesis and teratoma formation need to be overcome, before they can be successfully used in clinical practice. The article discusses the sources, pros and cons, and current applications of iPS cells in dentistry with an emphasis on encountered challenges and their solutions.
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Affiliation(s)
- Neeraj Malhotra
- Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia
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24
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Niibe K, Zhang M, Nakazawa K, Morikawa S, Nakagawa T, Matsuzaki Y, Egusa H. The potential of enriched mesenchymal stem cells with neural crest cell phenotypes as a cell source for regenerative dentistry. Jpn Dent Sci Rev 2016; 53:25-33. [PMID: 28479933 PMCID: PMC5405184 DOI: 10.1016/j.jdsr.2016.09.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 08/30/2016] [Accepted: 09/16/2016] [Indexed: 01/14/2023] Open
Abstract
Effective regenerative treatments for periodontal tissue defects have recently been demonstrated using mesenchymal stromal/stem cells (MSCs). Furthermore, current bioengineering techniques have enabled de novo fabrication of tooth-perio dental units in mice. These cutting-edge technologies are expected to address unmet needs within regenerative dentistry. However, to achieve efficient and stable treatment outcomes, preparation of an appropriate stem cell source is essential. Many researchers are investigating the use of adult stem cells for regenerative dentistry; bone marrow-derived MSCs (BM-MSCs) are particularly promising and presently used clinically. However, current BM-MSC isolation techniques result in a heterogeneous, non-reproducible cell population because of a lack of identified distinct BM-MSC surface markers. Recently, specific subsets of cell surface markers for BM-MSCs have been reported in mice (PDGFRα+ and Sca-1+) and humans (LNGFR+, THY-1+ and VCAM-1+), facilitating the isolation of unique enriched BM-MSCs (so-called “purified MSCs”). Notably, the enriched BM-MSC population contains neural crest-derived cells, which can differentiate into cells of neural crest- and mesenchymal lineages. In this review, characteristics of the enriched BM-MSCs are outlined with a focus on their potential application within future regenerative dentistry.
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Affiliation(s)
- Kunimichi Niibe
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Maolin Zhang
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Kosuke Nakazawa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Satoru Morikawa
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Taneaki Nakagawa
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Yumi Matsuzaki
- Department of Cancer Biology, Faculty of Medicine, Shimane University, 89-1 Enya-cho Izumo, Shimane 693-8501, Japan
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan.,Center for Advanced Stem Cell and Regenerative Research, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
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25
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Amrollahi P, Shah B, Seifi A, Tayebi L. Recent advancements in regenerative dentistry: A review. Mater Sci Eng C Mater Biol Appl 2016; 69:1383-90. [PMID: 27612840 DOI: 10.1016/j.msec.2016.08.045] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 08/04/2016] [Accepted: 08/18/2016] [Indexed: 12/20/2022]
Abstract
Although human mouth benefits from remarkable mechanical properties, it is very susceptible to traumatic damages, exposure to microbial attacks, and congenital maladies. Since the human dentition plays a crucial role in mastication, phonation and esthetics, finding promising and more efficient strategies to reestablish its functionality in the event of disruption has been important. Dating back to antiquity, conventional dentistry has been offering evacuation, restoration, and replacement of the diseased dental tissue. However, due to the limited ability and short lifespan of traditional restorative solutions, scientists have taken advantage of current advancements in medicine to create better solutions for the oral health field and have coined it "regenerative dentistry." This new field takes advantage of the recent innovations in stem cell research, cellular and molecular biology, tissue engineering, and materials science etc. In this review, the recently known resources and approaches used for regeneration of dental and oral tissues were evaluated using the databases of Scopus and Web of Science. Scientists have used a wide range of biomaterials and scaffolds (artificial and natural), genes (with viral and non-viral vectors), stem cells (isolated from deciduous teeth, dental pulp, periodontal ligament, adipose tissue, salivary glands, and dental follicle) and growth factors (used for stimulating cell differentiation) in order to apply tissue engineering approaches to dentistry. Although they have been successful in preclinical and clinical partial regeneration of dental tissues, whole-tooth engineering still seems to be far-fetched, unless certain shortcomings are addressed.
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Affiliation(s)
- Pouya Amrollahi
- Helmerich Advanced Technology Research Center, School of Material Science and Engineering, Oklahoma State University, Tulsa, OK 74106, USA
| | - Brinda Shah
- Marquette University School of Dentistry, Milwaukee, WI 53201, USA
| | - Amir Seifi
- Marquette University School of Dentistry, Milwaukee, WI 53201, USA
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI 53201, USA; Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK.
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