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Abdulghafor MA, Mahmood MK, Tassery H, Tardivo D, Falguiere A, Lan R. Biomimetic Coatings in Implant Dentistry: A Quick Update. J Funct Biomater 2023; 15:15. [PMID: 38248682 PMCID: PMC10816551 DOI: 10.3390/jfb15010015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/23/2024] Open
Abstract
Biomimetic dental implants are regarded as one of the recent clinical advancements in implant surface modification. Coatings with varying thicknesses and roughness may affect the dental implant surface's chemical inertness, cell adhesion, and antibacterial characteristics. Different surface coatings and mechanical surface changes have been studied to improve osseointegration and decrease peri-implantitis. The surface medication increases surface energy, leading to enhanced cell proliferation and growth factors, and, consequently, to a rise in the osseointegration process. This review provides a comprehensive update on the numerous biomimetic coatings used to improve the surface characteristics of dental implants and their applications in two main categories: coating to improve osseointegration, including the hydroxyapatite layer and nanocomposites, growth factors (BMPs, PDGF, FGF), and extracellular matrix (collagen, elastin, fibronectin, chondroitin sulfate, hyaluronan, and other proteoglycans), and coatings for anti-bacterial performance, covering drug-coated dental implants (antibiotic, statin, and bisphosphonate), antimicrobial peptide coating (GL13K and human beta defensins), polysaccharide antibacterial coatings (natural chitosan and its coupling agents) and metal elements (silver, zinc, and copper).
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Affiliation(s)
| | - Mohammed Khalid Mahmood
- Faculty of Dentistry, Aix-Marseille University, CNRS, EFS, ADES, 13284 Marseille, France;
- College of Dentistry, The American University of Iraq, Sulaimani 46001, Kurdistan, Iraq
| | | | - Delphine Tardivo
- Faculty of Dentistry, Aix-Marseille University, CNRS, EFS, ADES, 13284 Marseille, France;
| | - Arthur Falguiere
- Oral Surgery Department, Timone Hospital, Aix-Marseille University, APHM, 13284 Marseille, France
| | - Romain Lan
- Oral Surgery Department, Timone Hospital, Aix-Marseille University, APHM, CNRS, EFS, ADES, 13284 Marseille, France;
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Visan AI, Cristescu R. Polysaccharide-Based Coatings as Drug Delivery Systems. Pharmaceutics 2023; 15:2227. [PMID: 37765196 PMCID: PMC10537422 DOI: 10.3390/pharmaceutics15092227] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/21/2023] [Accepted: 08/27/2023] [Indexed: 09/29/2023] Open
Abstract
Therapeutic polysaccharide-based coatings have recently emerged as versatile strategies to transform a conventional medical implant into a drug delivery system. However, the translation of these polysaccharide-based coatings into the clinic as drug delivery systems still requires a deeper understanding of their drug degradation/release profiles. This claim is supported by little or no data. In this review paper, a comprehensive description of the benefits and challenges generated by the polysaccharide-based coatings is provided. Moreover, the latest advances made towards the application of the most important representative coatings based on polysaccharide types for drug delivery are debated. Furthermore, suggestions/recommendations for future research to speed up the transition of polysaccharide-based drug delivery systems from the laboratory testing to clinical applications are given.
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Affiliation(s)
- Anita Ioana Visan
- National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania
| | - Rodica Cristescu
- National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Ilfov, Romania
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López-Valverde N, Aragoneses J, López-Valverde A, Rodríguez C, Aragoneses JM. Role of BMP-7 on biological parameters osseointegration of dental implants: Preliminary results of a preclinical study. Front Bioeng Biotechnol 2023; 11:1153631. [PMID: 36926685 PMCID: PMC10011441 DOI: 10.3389/fbioe.2023.1153631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
The aim of this work was to analyze and compare the effect of bone morphogenetic protein-7 on biological parameters related to implant osseointegration in an experimental animal model. Sixteen dental implants were placed in the tibias of four randomly selected minipigs for the following dental implant surface treatments: Group A: conventional treatment of the dental implant surface by SLA (n = 8) and Group B: treatment of the dental implant surface with carboxyethylphosphonic acid and bone morphogenetic protein-7 (n = 8). The animals were sacrificed one month after dental implants placement and a histomorphometric study was performed for the evaluation of bone-to-implant contact, corrected bone-to-implant contact, new bone formation, interthread bone density and peri-implant density using Student's t-test and the non-parametric Mann-Whitney test. The histomorphometric parameters bone-to-implant contact and corrected bone-to-implant contact showed statistically significant differences between the study groups; 34.00% ± 9.92% and 50.02% ± 10.94%, respectively (p = 0.004) for SLA and 43.08% ± 10.76% and 63.30% ± 11.30%, respectively (p = 0.003) for BMP-7. The parameters new bone formation, interthread bone density and peri-implant density did not show statistically significant differences between the study groups (p = 0.951, p = 0.967 and p = 0.894, respectively). Dental implant surfaces treated with carboxyethylphosphonic acid and BMP-7 improve the biological response of dental implants to osseointegration.
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Affiliation(s)
- Nansi López-Valverde
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Javier Aragoneses
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Antonio López-Valverde
- Department of Surgery, Instituto de Investigación Biomédica de Salamanca (IBSAL), University of Salamanca, Salamanca, Spain
| | - Cinthia Rodríguez
- Department of Dentistry, Universidad Federico Henríquez y Carvajal, Santo Domingo, Dominican Republic
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The Influence of rhBMP-7 Associated with Nanometric Hydroxyapatite Coatings Titanium Implant on the Osseointegration: A Pre-Clinical Study. Polymers (Basel) 2022; 14:polym14194030. [PMID: 36235978 PMCID: PMC9570843 DOI: 10.3390/polym14194030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/15/2022] [Accepted: 08/21/2022] [Indexed: 12/04/2022] Open
Abstract
Background: Bioceramic nanometer coatings have been regarded as potential substitutes for plasma-sprayed hydroxyapatite coatings, and the association with bone morphogenetic protein (BMP) is an attempt to achieve faster osseointegration to hasten oral rehabilitation. Objective: This study aimed to investigate the effect of recombinant human bone morphogenetic protein-7 (rhBMP-7) on the osseointegration of titanium implants coated with a thin film surface of hydroxyapatite (HA). Methods: Two implants (n = 24) were placed in each white New Zealand rabbits’ femur (n = 6). Implants were placed in the right femur after standard instrumentation (A and B) and in the left femur after an over-instrumentation (C and D), preventing bone-implant contact. The distal implants were installed associated with rhBMP-7 (groups B [regular instrumentation] and D [over-instrumentation]) and, also, in the absence of without BMP (control groups A [regular instrumentation] and C [over-instrumentation]). After 4 weeks, the animals were euthanized. The bone blocks containing the implants were embedded in methyl methacrylate and sectioned parallel to the long axis of the implant, which were analyzed by image segmentation. The data were analyzed using a nonparametric statistical method. Results: We observed that Group A had a mean bone formation of 35.6% compared to Group B, which had 48.6% (p > 0.05). Moreover, this group showed 28.3% of connective tissue compared to Group A, with 39.3%. In the over-instrumented groups, rhBMP-7 (Group D) showed an enhanced and significant increase in bone formation when compared with the group without rhBMP-7 (Group C). Conclusion: We concluded that the association of rhBMP-7 to thin nanostructure HA-coated implants promoted greater new bone area than the same implants in the absence of rhBMP-7, mainly in cases of over-instrumented implant sites.
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López-Valverde N, Aragoneses J, López-Valverde A, Rodríguez C, Macedo de Sousa B, Aragoneses JM. Role of chitosan in titanium coatings. trends and new generations of coatings. Front Bioeng Biotechnol 2022; 10:907589. [PMID: 35935477 PMCID: PMC9354072 DOI: 10.3389/fbioe.2022.907589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/04/2022] [Indexed: 01/03/2023] Open
Abstract
Survival studies of dental implants currently reach high figures. However, considering that the recipients are middle-aged individuals with associated pathologies, research is focused on achieving bioactive surfaces that ensure osseointegration. Chitosan is a biocompatible, degradable polysaccharide with antimicrobial and anti-inflammatory properties, capable of inducing increased growth and fixation of osteoblasts around chitosan-coated titanium. Certain chemical modifications to its structure have been shown to enhance its antibacterial activity and osteoinductive properties and it is generally believed that chitosan-coated dental implants may have enhanced osseointegration capabilities and are likely to become a commercial option in the future. Our review provided an overview of the current concepts and theories of osseointegration and current titanium dental implant surfaces and coatings, with a special focus on the in vivo investigation of chitosan-coated implants and a current perspective on the future of titanium dental implant coatings.
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Affiliation(s)
- Nansi López-Valverde
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Javier Aragoneses
- Department of Medicine and Medical Specialties, Faculty of Health Sciences, Universidad Alcalá de Henares, Madrid, Spain
| | - Antonio López-Valverde
- Department of Surgery, University of Salamanca, Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, Spain
- *Correspondence: Antonio López-Valverde,
| | - Cinthia Rodríguez
- Department of Dentistry, Universidad Federico Henríquez y Carvajal, Santo Domingo, Dominican Republic
| | - Bruno Macedo de Sousa
- Institute for Occlusion and Orofacial Pain, Faculty of Medicine, University of Coimbra, Polo I‐Edifício Central Rua Larga, Coimbra, Portugal
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Nemcakova I, Litvinec A, Mandys V, Potocky S, Plencner M, Doubkova M, Nanka O, Olejnickova V, Sankova B, Bartos M, Ukraintsev E, Babčenko O, Bacakova L, Kromka A, Rezek B, Sedmera D. Coating Ti6Al4V implants with nanocrystalline diamond functionalized with BMP-7 promotes extracellular matrix mineralization in vitro and faster osseointegration in vivo. Sci Rep 2022; 12:5264. [PMID: 35347219 PMCID: PMC8960880 DOI: 10.1038/s41598-022-09183-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/18/2022] [Indexed: 02/06/2023] Open
Abstract
The present study investigates the effect of an oxidized nanocrystalline diamond (O-NCD) coating functionalized with bone morphogenetic protein 7 (BMP-7) on human osteoblast maturation and extracellular matrix mineralization in vitro and on new bone formation in vivo. The chemical structure and the morphology of the NCD coating and the adhesion, thickness and morphology of the superimposed BMP-7 layer have also been assessed. The material analysis proved synthesis of a conformal diamond coating with a fine nanostructured morphology on the Ti6Al4V samples. The homogeneous nanostructured layer of BMP-7 on the NCD coating created by a physisorption method was confirmed by AFM. The osteogenic maturation of hFOB 1.19 cells in vitro was only slightly enhanced by the O-NCD coating alone without any increase in the mineralization of the matrix. Functionalization of the coating with BMP-7 resulted in more pronounced cell osteogenic maturation and increased extracellular matrix mineralization. Similar results were obtained in vivo from micro-CT and histological analyses of rabbit distal femurs with screws implanted for 4 or 12 weeks. While the O-NCD-coated implants alone promoted greater thickness of newly-formed bone in direct contact with the implant surface than the bare material, a further increase was induced by BMP-7. It can be therefore concluded that O-NCD coating functionalized with BMP-7 is a promising surface modification of metallic bone implants in order to improve their osseointegration.
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Affiliation(s)
- Ivana Nemcakova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Andrej Litvinec
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Vaclav Mandys
- Department of Pathology, Charles University, Third Faculty of Medicine, Ruska 2411, 100 00, Prague 10, Czech Republic
| | - Stepan Potocky
- Institute of Physics, Czech Academy of Sciences, Cukrovarnicka 10, 162 00, Prague 6, Czech Republic
| | - Martin Plencner
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Martina Doubkova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic.
| | - Ondrej Nanka
- Institute of Anatomy, Charles University, First Faculty of Medicine, U Nemocnice 3, 128 00, Prague 2, Czech Republic
| | - Veronika Olejnickova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic.,Institute of Anatomy, Charles University, First Faculty of Medicine, U Nemocnice 3, 128 00, Prague 2, Czech Republic
| | - Barbora Sankova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic.,Institute of Anatomy, Charles University, First Faculty of Medicine, U Nemocnice 3, 128 00, Prague 2, Czech Republic
| | - Martin Bartos
- Institute of Dental Medicine, Charles University, First Faculty of Medicine, U Nemocnice 2, 1280 00, Prague 2, Czech Republic
| | - Egor Ukraintsev
- Faculty of Electrical Engineering, Czech Technical University in Prague, Technicka 2, 166 27, Prague 6, Czech Republic
| | - Oleg Babčenko
- Faculty of Electrical Engineering, Czech Technical University in Prague, Technicka 2, 166 27, Prague 6, Czech Republic
| | - Lucie Bacakova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Alexander Kromka
- Institute of Physics, Czech Academy of Sciences, Cukrovarnicka 10, 162 00, Prague 6, Czech Republic
| | - Bohuslav Rezek
- Faculty of Electrical Engineering, Czech Technical University in Prague, Technicka 2, 166 27, Prague 6, Czech Republic
| | - David Sedmera
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic. .,Institute of Anatomy, Charles University, First Faculty of Medicine, U Nemocnice 3, 128 00, Prague 2, Czech Republic.
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Schierano G, Baldi D, Peirone B, Mauthe von Degerfeld M, Navone R, Bragoni A, Colombo J, Autelli R, Muzio G. Biomolecular, Histological, Clinical, and Radiological Analyses of Dental Implant Bone Sites Prepared Using Magnetic Mallet Technology: A Pilot Study in Animals. MATERIALS 2021; 14:ma14226945. [PMID: 34832347 PMCID: PMC8618607 DOI: 10.3390/ma14226945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/05/2021] [Accepted: 11/12/2021] [Indexed: 02/07/2023]
Abstract
Background. A new instrumentation exploiting magneto-dynamic technology (mallet) proposed for implant site preparation was investigated. Methods. In the tibias of three minipigs, two sites were prepared by mallet and two by drill technique. Primary stability (ISQ) was detected after implant positioning (T0) and at 14 days (T14). X-rays and computed tomography were performed. At T14, bone samples were utilized for histological and biomolecular analyses. Results. In mallet sites, histological evaluations evidenced a significant increase in the newly formed bone, osteoblast number, and a smaller quantity of fibrous tissue. These results agree with the significant BMP-4 augmentation and the positive trend in other osteogenic factors (biological and radiological investigations). Major, albeit IL-10-controlled, inflammation was present. For both techniques, at T14 a significant ISQ increase was evidenced, but no significant difference was observed at T0 and T14 between the mallet and drill techniques. In mallet sites, lateral bone condensation was observed on computed tomography. Conclusions. Using biological, histological, clinical, and radiological analyses, this study first shows that the mallet technique is effective for implant site preparation. Based on its ability to cause osseocondensation and improve newly formed bone, mallet technology should be chosen in all clinical cases of poor bone quality.
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Affiliation(s)
- Gianmario Schierano
- Department of Surgical Sciences, C.I.R. Dental School, University of Turin, Via Nizza 230, 10126 Torino, Italy
- Correspondence: ; Tel.: +39-(0)11-6331531/1532; Fax: +39-(0)11-6331513
| | - Domenico Baldi
- Department of Surgical Science (DISC), Division of Prosthetic Dentistry, University of Genoa, 16132 Genoa, Italy; (D.B.); (J.C.)
| | - Bruno Peirone
- Department of Veterinary Sciences, University of Turin, Largo Paolo Braccini 2, Grugliasco, 10095 Torino, Italy; (B.P.); (M.M.v.D.)
| | - Mitzy Mauthe von Degerfeld
- Department of Veterinary Sciences, University of Turin, Largo Paolo Braccini 2, Grugliasco, 10095 Torino, Italy; (B.P.); (M.M.v.D.)
| | - Roberto Navone
- Department of Medical Science, University of Turin, Via Santena 5, 10126 Torino, Italy; (R.N.); (A.B.)
| | - Alberto Bragoni
- Department of Medical Science, University of Turin, Via Santena 5, 10126 Torino, Italy; (R.N.); (A.B.)
| | - Jacopo Colombo
- Department of Surgical Science (DISC), Division of Prosthetic Dentistry, University of Genoa, 16132 Genoa, Italy; (D.B.); (J.C.)
| | - Riccardo Autelli
- Department of Clinical and Biological Sciences, University of Turin, Corso Raffaello 30, 10125 Torino, Italy; (R.A.); (G.M.)
| | - Giuliana Muzio
- Department of Clinical and Biological Sciences, University of Turin, Corso Raffaello 30, 10125 Torino, Italy; (R.A.); (G.M.)
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