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Dobrzyńska-Mizera M, Dodda JM, Liu X, Knitter M, Oosterbeek RN, Salinas P, Pozo E, Ferreira AM, Sadiku ER. Engineering of Bioresorbable Polymers for Tissue Engineering and Drug Delivery Applications. Adv Healthc Mater 2024:e2401674. [PMID: 39233521 DOI: 10.1002/adhm.202401674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 08/15/2024] [Indexed: 09/06/2024]
Abstract
Herein, the recent advances in the development of resorbable polymeric-based biomaterials, their geometrical forms, resorption mechanisms, and their capabilities in various biomedical applications are critically reviewed. A comprehensive discussion of the engineering approaches for the fabrication of polymeric resorbable scaffolds for tissue engineering, drug delivery, surgical, cardiological, aesthetical, dental and cardiovascular applications, are also explained. Furthermore, to understand the internal structures of resorbable scaffolds, representative studies of their evaluation by medical imaging techniques, e.g., cardiac computer tomography, are succinctly highlighted. This approach provides crucial clinical insights which help to improve the materials' suitable and viable characteristics for them to meet the highly restrictive medical requirements. Finally, the aspects of the legal regulations and the associated challenges in translating research into desirable clinical and marketable materials of polymeric-based formulations, are presented.
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Affiliation(s)
- Monika Dobrzyńska-Mizera
- Institute of Materials Technology, Polymer Division, Poznan University of Technology, Poznan, Poland
| | - Jagan Mohan Dodda
- New Technologies - Research Centre (NTC), University of West Bohemia, Univerzitní 8, Pilsen, 30100, Czech Republic
| | - Xiaohua Liu
- Chemical and Biomedical Engineering Department, University of Missouri, 1030 Hill Street, Columbia, Missouri, 65211, USA
| | - Monika Knitter
- Institute of Materials Technology, Polymer Division, Poznan University of Technology, Poznan, Poland
| | - Reece N Oosterbeek
- Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK
| | - Pablo Salinas
- Department of Cardiology, Hospital Clínico San Carlos, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Eduardo Pozo
- Department of Cardiology, Hospital Clínico San Carlos, Madrid, Spain
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Ana Marina Ferreira
- School of Engineering, Newcastle University, Newcastle upon Tyne, Newcastle, NE1 7RU, UK
| | - Emmanuel Rotimi Sadiku
- Tshwane University of Technology, Department of Chemical, Metallurgical and Materials Engineering, Polymer Division & Institute for Nano Engineering Research (INER), Pretoria West Campus, Pretoria, South Africa
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Irshad N, Jahanzeb N, Alqasim A, Bousaleh R, Almehrij M, Ghafoor S, Nawaz M, Akhtar S, Tufail Shah A, Khan AS. Synthesis and analyses of injectable fluoridated-bioactive glass hydrogel for dental root canal sealing. PLoS One 2023; 18:e0294446. [PMID: 38011158 PMCID: PMC10681180 DOI: 10.1371/journal.pone.0294446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 10/31/2023] [Indexed: 11/29/2023] Open
Abstract
This study aimed to synthesize fluoride-doped bioactive glass (F-BG) based thermo-sensitive injectable hydrogel for endodontic applications. The structural and phase analyses were done with Fourier Transform Infrared spectroscopy and X-ray Diffraction, respectively. The setting time of prepared injectable was investigated at 21°C (in the presence and absence of an ultrasonic scalar) and at 37°C. Flowability was tested according to ISO-6876:2012 specifications, whereas injectability was checked by extrusion method using 21-, 22-, and 23-gauge needles. The in vitro bio-adhesion and push-out bond strength were studied on days 7 and 90 and compared with the commercially available TotalFill®. The ion release profile was analyzed for up to 30 days with Inductively Coupled Plasma Optical Emission Spectroscopy. The fluoride release analysis was conducted periodically for up to 21 days in deionized water and artificial saliva using an ion-selective electrode. The final setting time at 21°C, 21°C+ultrasonic scalar, and 37°C were 38.66±3.21, 29.12±1.23, and 32±3.46 min, respectively. The flowability was 25±3.94 mm, and the injectability coefficient was ≥70.3 for 22, 21, and 57% in a 23-gauge needle. Fluoride release in deionized water was found to be significantly higher than in artificial saliva and increased with time. A significant difference in bond strength was found between days 7 and 90, where the strength was increased, and a new apatite layer was formed on the tooth surface. A rapid release of calcium, phosphate, and silicon ions was seen initially, whereby the continuous release of these ions was observed for up to 30 days. The prepared F-BG injectable hydrogel has shown promising results and has the potential to be used as an endodontic sealer.
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Affiliation(s)
- Nadia Irshad
- Department of Dental Materials, University of Health Sciences, Lahore, Pakistan
- Department of Dental Materials, Sharif Medical and Dental College, Lahore, Pakistan
| | - Noureen Jahanzeb
- Department of Dental Materials, University of Health Sciences, Lahore, Pakistan
| | - Alanood Alqasim
- College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
- Dental and Oral Health Department, Prince Sultan Military College of Health Sciences, Dhahran, Saudi Arabia
| | - Raneem Bousaleh
- College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Maha Almehrij
- College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Sarah Ghafoor
- Department of Oral Biology, University of Health Sciences, Lahore, Pakistan
| | - Muhammad Nawaz
- Department of Nano-Medicine Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Sultan Akhtar
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Asma Tufail Shah
- Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS University Islamabad, Lahore Campus, Pakistan
| | - Abdul Samad Khan
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Anesi A, Ferretti M, Salvatori R, Bellucci D, Cavani F, Di Bartolomeo M, Palumbo C, Cannillo V. In-vivo evaluations of bone regenerative potential of two novel bioactive glasses. J Biomed Mater Res A 2023; 111:1264-1278. [PMID: 36876550 DOI: 10.1002/jbm.a.37526] [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: 04/06/2022] [Revised: 02/13/2023] [Accepted: 02/23/2023] [Indexed: 03/07/2023]
Abstract
Due to the aging of population, materials able to repair damaged tissues are needed. Among others, bioactive glasses (BGs) have attracted a lot of interest due to their outstanding properties both for hard and soft tissues. Here, for the first time, two new BGs, which gave very promising results in preliminary in vitro-tests, were implanted in animals in order to evaluate their regenerative potential. The new BGs, named BGMS10 and Bio_MS and containing specific therapeutic ions, were produced in granules and implanted in rabbits' femurs for up to 60 days, to test their biocompatibility and osteoconduction. Additionally, granules of 45S5 Bioglass® were employed and used as a standard reference for comparison. The results showed that, after 30 days, the two novel BGs and 45S5 displayed a similar behavior, in terms of bone amount, thickness of new bone trabeculae and affinity index. On the contrary, after 60 days, 45S5 granules were mainly surrounded by wide and scattered bone trabeculae, separated by large amounts of soft tissue, while in BGMS10 and Bio_MS the trabeculae were thin and uniformly distributed around the BG granules. This latter scenario could be considered as more advantageous, since the features of the two novel BG granules allowed for the neo-formation of a uniformly distributed bony trabeculae, predictive of more favorable mechanical behavior, compared to the less uniform coarse trabeculae, separated by large areas of soft tissue in 45S5 granules. Thus, BGMS10 and Bio_MS could be considered suitable products for tissue regeneration in the orthopedic and dental fields.
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Affiliation(s)
- A Anesi
- Laboratorio Biomateriali, Dipartimento di Scienze Mediche e Chirurgiche Materno-Infantili e dell'Adulto, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - M Ferretti
- Dipartimento di Scienze Biomediche, Metaboliche e Neuroscienze - Sezione di Morfologia umana (c/o Policlinico), Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - R Salvatori
- Laboratorio Biomateriali, Dipartimento di Scienze Mediche e Chirurgiche Materno-Infantili e dell'Adulto, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - D Bellucci
- Dipartimento di Ingegneria "Enzo Ferrari", Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - F Cavani
- Dipartimento di Scienze Biomediche, Metaboliche e Neuroscienze - Sezione di Morfologia umana (c/o Policlinico), Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - M Di Bartolomeo
- Chirurgia Maxillo Facciale e Odontostomatologia, Dipartimento di Scienze Chirurgiche Odontostomatologiche e Materno-Infantili, Università degli Studi di Verona, Verona, Italy
| | - C Palumbo
- Dipartimento di Scienze Biomediche, Metaboliche e Neuroscienze - Sezione di Morfologia umana (c/o Policlinico), Università degli Studi di Modena e Reggio Emilia, Modena, Italy
| | - V Cannillo
- Dipartimento di Ingegneria "Enzo Ferrari", Università degli Studi di Modena e Reggio Emilia, Modena, Italy
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Sol-gel bioactive glass containing biomaterials for restorative dentistry: A review. Dent Mater 2022; 38:725-747. [PMID: 35300871 DOI: 10.1016/j.dental.2022.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 02/11/2022] [Accepted: 02/21/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Bioactive glasses (BAGs) have been researched extensively for dentistry due to their favourable biocompatibility and hard tissue bonding ability. However, the specific application of BAGs produced through sol-gel synthesis in restorative dentistry has not been reviewed previously. This review provides a comprehensive account of the principles behind sol-gel derived BAGs and their investigation for dental tissue restoration materials. METHODS A search for in vitro and in vivo studies was performed using the databases Web of Science®, Medline®, Scopus® and Google Scholar®. Articles published over the past 20 years were selected and data on the BAG composition and morphology was extracted. Analysis of the effect of specific BAG additives on the properties of experimental dental materials was also performed. RESULTS A majority of BAG particles investigated were spheres ranging in size from 5 nm to ~650 µm. Sol-gel BAGs are mainly applied in the treatment of hypersensitive dentine and for pulp-dentine tissue engineering, while a handful have been used in target drug delivery. BAG fillers are promising additives that result in improved biological properties, antibacterial effects, hardness, acid buffering and remineralization. Unfortunately, some detrimental effects on optical properties have been observed with BAG addition. Additionally, in vivo data, investigations into radiopacity and standardization of test protocols are identified as areas for improvement and further studies. SIGNIFICANCE Future work should consider the pertinent issues raised in order to improve the quality of available data and expand knowledge in this area of dental biomaterials research and development.
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