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Morgan RN, Ali AA, Alshahrani MY, Aboshanab KM. New Insights on Biological Activities, Chemical Compositions, and Classifications of Marine Actinomycetes Antifouling Agents. Microorganisms 2023; 11:2444. [PMID: 37894102 PMCID: PMC10609280 DOI: 10.3390/microorganisms11102444] [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: 08/21/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 10/29/2023] Open
Abstract
Biofouling is the assemblage of undesirable biological materials and macro-organisms (barnacles, mussels, etc.) on submerged surfaces, which has unfavorable impacts on the economy and maritime environments. Recently, research efforts have focused on isolating natural, eco-friendly antifouling agents to counteract the toxicities of synthetic antifouling agents. Marine actinomycetes produce a multitude of active metabolites, some of which acquire antifouling properties. These antifouling compounds have chemical structures that fall under the terpenoids, polyketides, furanones, and alkaloids chemical groups. These compounds demonstrate eminent antimicrobial vigor associated with antiquorum sensing and antibiofilm potentialities against both Gram-positive and -negative bacteria. They have also constrained larval settlements and the acetylcholinesterase enzyme, suggesting a strong anti-macrofouling activity. Despite their promising in vitro and in vivo biological activities, scaled-up production of natural antifouling agents retrieved from marine actinomycetes remains inapplicable and challenging. This might be attributed to their relatively low yield, the unreliability of in vitro tests, and the need for optimization before scaled-up manufacturing. This review will focus on some of the most recent marine actinomycete-derived antifouling agents, featuring their biological activities and chemical varieties after providing a quick overview of the disadvantages of fouling and commercially available synthetic antifouling agents. It will also offer different prospects of optimizations and analysis to scale up their industrial manufacturing for potential usage as antifouling coatings and antimicrobial and therapeutic agents.
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Affiliation(s)
- Radwa N. Morgan
- National Centre for Radiation Research and Technology (NCRRT), Drug Radiation Research Department, Egyptian Atomic Energy Authority (EAEA), Ahmed El-Zomor St, Cairo 11787, Egypt;
| | - Amer Al Ali
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, 255, Al Nakhil, Bisha 67714, Saudi Arabia;
| | - Mohammad Y. Alshahrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 9088, Saudi Arabia;
| | - Khaled M. Aboshanab
- Microbiology and Immunology Department, Faculty of Pharmacy, Ain Shams University, African Union Organization Street, Abbassia, Cairo 11566, Egypt
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Hossain N, Mobarak MH, Hossain A, Khan F, Mim JJ, Chowdhury MA. Advances of plant and biomass extracted zirconium nanoparticles in dental implant application. Heliyon 2023; 9:e15973. [PMID: 37215906 PMCID: PMC10192772 DOI: 10.1016/j.heliyon.2023.e15973] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/25/2023] [Accepted: 04/28/2023] [Indexed: 05/24/2023] Open
Abstract
Nanoparticles are minimal materials with unique physicochemical features that set them apart from bulk materials of the same composition. These properties make nanoparticles highly desirable for use in commercial and medical research. The primary intention for the development of nanotechnology is to achieve overarching social objectives like bettering our understanding of nature, boosting productivity, improving healthcare, and extending the bounds of sustainable development and human potential. Keeping this as a motivation, Zirconia nanoparticles are becoming the preferred nanostructure for modern biomedical applications. This nanotechnology is exceptionally versatile and has several potential uses in dental research. This review paper concentrated on the various benefits of zirconium nanoparticles in dentistry and how they provide superior strength and flexibility compared to their counterparts. Moreover, the popularity of zirconium nanoparticles is also growing as it has strong biocompatibility potency. Zirconium nanoparticles can be used to develop or address the major difficulty in dentistry. Therefore, this review paper aims to provide a summary of the fundamental research and applications of zirconium nanoparticles in dental implants.
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Affiliation(s)
- Nayem Hossain
- Department of Mechanical Engineering, IUBAT-International University of Business Agriculture and Technology, Bangladesh
| | - Md Hosne Mobarak
- Department of Mechanical Engineering, IUBAT-International University of Business Agriculture and Technology, Bangladesh
| | - Amran Hossain
- Department of Mechanical Engineering, IUBAT-International University of Business Agriculture and Technology, Bangladesh
| | - Fardin Khan
- Department of Mechanical Engineering, IUBAT-International University of Business Agriculture and Technology, Bangladesh
| | - Juhi Jannat Mim
- Department of Mechanical Engineering, IUBAT-International University of Business Agriculture and Technology, Bangladesh
| | - Mohammad Asaduzzaman Chowdhury
- Department of Mechanical Engineering, Dhaka University of Engineering and Technology (DUET), Gazipur, Gazipur, 1707, Bangladesh
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Lazarevic M, Petrovic S, Pierfelice TV, Ignjatovic N, Piattelli A, Vlajic Tovilovic T, Radunovic M. Antimicrobial and Osteogenic Effects of Collagen Membrane Decorated with Chitosan-Nano-Hydroxyapatite. Biomolecules 2023; 13:biom13040579. [PMID: 37189328 DOI: 10.3390/biom13040579] [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: 01/25/2023] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 05/17/2023] Open
Abstract
Collagen membranes are routinely used in oral surgery for bone regeneration. Despite their numerous advantages, such as stimulating bone growth, bacterial contamination still remains one of the disadvantages of membrane use. Thus, we assessed the biocompatibility and osteogenic and antibacterial properties of a collagen membrane (OsteoBiol) modified with chitosan (CHI) and hydroxyapatite nanoparticles (HApNPs). Attenuated total reflectance-Fourier transform infrared spectroscopy (ATR FT-IR), X-ray powder diffraction (XRD), and field emission scanning electron microscopy (FE-SEM) were performed for membrane characterization. Biocompatibility was assessed on dental pulp stem cells (DPSCs) by an MTT assay, while the osteogenic effect was assessed by an ALP activity assay and qPCR analysis of osteogenic markers (BMP4, ALP, RUNX2, and OCN). Antimicrobial properties were investigated by counting colony-forming units (CFUs) of Streptococcus mitis, Porphyromonas gingivalis, and Fusobaterium nucleatum on membranes and in the surrounding medium. Membranes showed no cytotoxicity. ALP activity was higher and ALP, BMP4, and OCN genes were up-regulated in DPSCs on modified membranes compared to unmodified membranes. The CFUs were reduced on modified membranes and in the medium. Modified membranes showed great biocompatibility and a high osteoinductive effect. Additionally, they showed antimicrobial and antibiofilm effects against periopathogens. It can be concluded that the incorporation of CHI and hydroxyapatite nanoparticles in collagen membranes may be advantageous to promote osteogenesis and reduce bacterial adhesion.
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Affiliation(s)
- Milos Lazarevic
- School of Dental Medicine, University of Belgrade, 11 070 Belgrade, Serbia
| | - Sanja Petrovic
- School of Dental Medicine, University of Belgrade, 11 070 Belgrade, Serbia
| | - Tania Vanessa Pierfelice
- School of Dental Medicine, University of Belgrade, 11 070 Belgrade, Serbia
- Department of Medical, Oral and Biotechnological Sciences, University G. d'Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Nenad Ignjatovic
- Institute of Technical Sciences of the Serbian Academy of Sciences and Arts, 11 070 Belgrade, Serbia
| | - Adriano Piattelli
- School of Dentistry, Saint Camillus International University of Health and Medical Sciences, 00131 Rome, Italy
- Facultad de Medicina, UCAM Universidad Catolica San Antonio de Murcia, 30107 Guadalupe, Spain
| | | | - Milena Radunovic
- School of Dental Medicine, University of Belgrade, 11 070 Belgrade, Serbia
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Rajewska J, Kowalski J, Matys J, Dobrzyński M, Wiglusz RJ. The Use of Lactide Polymers in Bone Tissue Regeneration in Dentistry-A Systematic Review. J Funct Biomater 2023; 14:jfb14020083. [PMID: 36826882 PMCID: PMC9961440 DOI: 10.3390/jfb14020083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/27/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
(1) Background: Different compositions of biodegradable materials are being investigated to successfully replace non-resorbable ones in bone tissue regeneration in dental surgery. The systematic review tried to address the question, "Can biodegradable polymers act as a replacement for conventional materials in dental surgery procedures?" (2) Methods: An electronic search of the PubMed and Scopus databases was conducted in October 2022. The following keywords were used: (lactide polymers) and (hydroxyapatite or fluorapatite) and (dentistry) and (regeneration). Initially, 59 studies were found. Forty-one studies met the inclusion criteria and were included in the review. (3) Results: These usually improved the properties and induced osteogenesis, tissue mineralisation and bone regeneration by inducing osteoblast proliferation. Five studies showed higher induction of osteogenesis in the case of biomaterials, UV-HAp/PLLA, ALBO-OS, bioresorbable raw particulate hydroxyapatite/poly-L-lactide and PLGA/Hap, compared to conventional materials such as titanium. Four studies confirmed improvement in tissue mineralisation with the usage of biomaterials: hydroxyapatite/polylactic acid (HA/PLA) loaded with dog's dental pulp stem cells (DPSCs), Coll/HAp/PLCL, PDLLA/VACNT-O:nHAp, incorporation of hydroxyapatite and simvastatin. Three studies showed an acceleration in proliferation of osteoblasts for the use of biomaterials with additional factors such as collagen and UV light. (4) Conclusions: Lactide polymers present higher osteointegration and cell proliferation rate than the materials compared. They are superior to non-biodegradable materials in terms of the biocompability, bone remodelling and healing time tests. Moreover, because there is no need of reoperation, as the material automatically degrades, the chance of scars and skin sclerosis is lower. However, more studies involving greater numbers of biomaterial types and mixes need to be performed in order to find a perfect biodegradable material.
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Affiliation(s)
- Justyna Rajewska
- Department of Pediatric Dentistry and Preclinical Dentistry, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
| | - Jakub Kowalski
- Department of Pediatric Dentistry and Preclinical Dentistry, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
| | - Jacek Matys
- Laser Laboratory Dental Surgery Department, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
- Department of Orthodontics, Technische Universitat Dresden, 01307 Dresden, Germany
- Correspondence: (J.M.); (M.D.); (R.J.W.)
| | - Maciej Dobrzyński
- Department of Pediatric Dentistry and Preclinical Dentistry, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland
- Correspondence: (J.M.); (M.D.); (R.J.W.)
| | - Rafal J. Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland
- Correspondence: (J.M.); (M.D.); (R.J.W.)
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Matos GRM. Nanotechnology in dental implants of medically compromised patients: is this the right way forward? AN ACAD BRAS CIENC 2022; 94:e20220467. [PMID: 36477826 DOI: 10.1590/0001-3765202220220467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 08/14/2022] [Indexed: 12/03/2022] Open
Affiliation(s)
- Geraldo R M Matos
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina de São José do Rio Preto, Av. Brigadeiro Faria Lima, 5416, Vila São Pedro, 15090-000 São José do Rio Preto, SP, Brazil
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Sadeghi SH, Sharifi S, Dizaj SM, Ghavimi MA, Shahi S, Ghoreishizadeh A, Negahdari R. Antimicrobial agent containing absorbable gelatin sponge to prevent dry socket: A systematic review. Open Dent J 2022. [DOI: 10.2174/18742106-v16-e2208111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background:
The use of absorbable gelatin sponges (AGSs) as a hemostatic surgical material resulted in a reduction of dry sockets occurrence. The systemic use of antibiotics and antimicrobial agents can also reduce the infection of extracted teeth, and therefore, it may show pain-relieving effects on the dry socket as well.
Objective:
Given the high prevalence of dry sockets in the extracted teeth, the main objective of this review was a brief overview of AGSs, including antimicrobial agents to prevent dry sockets.
Methods:
The electronic search of the literature was done on the Pubmed and Google Scholar databases with the MESH keywords of Antimicrobials, Gelatin sponge, Gelfoam, Dry socket, Antibiotics, Alveolar osteitis. Only papers published in English were investigated. No limitations were put on the publication date.
Results:
Of the 279 electronic papers, 79 articles were found relevant to the study. All abstracts were reviewed, and only desired articles were selected. The final electronic and manual search led to 15 articles for use in this study. Among these studies, 5 studies were related to AGSs, including antimicrobial agents to prevent dry sockets.
Conclusion:
The reviewed literature showed that the systemic/topical use of antibiotics and antimicrobial agents can reduce infection and, therefore, may show pain-relieving effects on the dry socket. Besides, antimicrobial-loaded AGSs can be helpful in curing or preventing dry sockets. There were a limited number of clinical trials that used antimicrobial loaded AGSs for dry socket. More clinical studies are needed, especially in subgroups of patients with a high risk of infectious conditions, to validate the effectiveness of antimicrobial-loaded AGSs for dry socket.
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Composite Coatings for Osteoblast Growth Attachment Fabricated by Matrix-Assisted Pulsed Laser Evaporation. Polymers (Basel) 2022; 14:polym14142934. [PMID: 35890714 PMCID: PMC9322700 DOI: 10.3390/polym14142934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022] Open
Abstract
The bioactive and biocompatible properties of hydroxyapatite (HAp) promote the osseointegration process. HAp is widely used in biomedical applications, especially in orthopedics, as well as a coating material for metallic implants. We obtained composite coatings based on HAp, chitosan (CS), and FGF2 by a matrix-assisted pulsed laser evaporation (MAPLE) technique. The coatings were physico-chemically investigated by means of X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Infrared Microscopy (IRM), and Scanning Electron Microscopy (SEM). Further, biological investigations were performed. The MAPLE-composite coatings were tested in vitro on the MC3T3-E1 cell line in order to endorse cell attachment and growth without toxic effects and to promote pre-osteoblast differentiation towards the osteogenic lineage. These coatings can be considered suitable for bone tissue engineering applications that lack toxicity and promotes cell adhesion and proliferation while also sustaining the differentiation of pre-osteoblasts towards mature bone cells.
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Biomimetic Implant Surfaces and Their Role in Biological Integration—A Concise Review. Biomimetics (Basel) 2022; 7:biomimetics7020074. [PMID: 35735590 PMCID: PMC9220941 DOI: 10.3390/biomimetics7020074] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 12/20/2022] Open
Abstract
Background: The increased use of dental implants in oral rehabilitation has been followed by the development of new biomaterials as well as improvements in the performance of biomaterials already in use. This triggers the need for appropriate analytical approaches to assess the biological and, ultimately, clinical benefits of these approaches. Aims: To address the role of physical, chemical, mechanical, and biological characteristics in order to determine the critical parameters to improve biological responses and the long-term effectiveness of dental implant surfaces. Data sources and methods: Web of Science, MEDLINE and Lilacs databases were searched for the last 30 years in English, Spanish and Portuguese idioms. Results: Chemical composition, wettability, roughness, and topography of dental implant surfaces have all been linked to biological regulation in cell interactions, osseointegration, bone tissue and peri-implant mucosa preservation. Conclusion: Techniques involving subtractive and additive methods, especially those involving laser treatment or embedding of bioactive nanoparticles, have demonstrated promising results. However, the literature is heterogeneous regarding study design and methodology, which limits comparisons between studies and the definition of the critical determinants of optimal cell response.
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Arokiasamy P, Al Bakri Abdullah MM, Abd Rahim SZ, Luhar S, Sandu AV, Jamil NH, Nabiałek M. Synthesis methods of hydroxyapatite from natural sources: A review. CERAMICS INTERNATIONAL 2022; 48:14959-14979. [DOI: 10.1016/j.ceramint.2022.03.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Silva RCS, Agrelli A, Andrade AN, Mendes-Marques CL, Arruda IRS, Santos LRL, Vasconcelos NF, Machado G. Titanium Dental Implants: An Overview of Applied Nanobiotechnology to Improve Biocompatibility and Prevent Infections. MATERIALS (BASEL, SWITZERLAND) 2022; 15:3150. [PMID: 35591484 PMCID: PMC9104688 DOI: 10.3390/ma15093150] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/20/2022] [Accepted: 04/21/2022] [Indexed: 02/06/2023]
Abstract
This review addresses the different aspects of the use of titanium and its alloys in the production of dental implants, the most common causes of implant failures and the development of improved surfaces capable of stimulating osseointegration and guaranteeing the long-term success of dental implants. Titanium is the main material for the development of dental implants; despite this, different surface modifications are studied aiming to improve the osseointegration process. Nanoscale modifications and the bioactivation of surfaces with biological molecules can promote faster healing when compared to smooth surfaces. Recent studies have also pointed out that gradual changes in the implant, based on the microenvironment of insertion, are factors that may improve the integration of the implant with soft and bone tissues, preventing infections and osseointegration failures. In this context, the understanding that nanobiotechnological surface modifications in titanium dental implants improve the osseointegration process arouses interest in the development of new strategies, which is a highly relevant factor in the production of improved dental materials.
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Affiliation(s)
| | | | | | | | | | | | | | - Giovanna Machado
- Centro de Tecnologias Estratégicas do Nordeste-Cetene, Av. Prof. Luiz Freire, 01, Cidade Universitária, Recife CEP 50740-545, PE, Brazil; (R.C.S.S.); (A.A.); (A.N.A.); (C.L.M.-M.); (I.R.S.A.); (L.R.L.S.); (N.F.V.)
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Meyer F, Enax J, Amaechi BT, Limeback H, Fabritius HO, Ganss B, Pawinska M, Paszynska E. Hydroxyapatite as Remineralization Agent for Children's Dental Care. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.859560] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Children are prone to develop dental caries. This is supported by epidemiological data confirming early childhood caries (ECC) as a highly prevalent disease affecting more than every second child worldwide. ECC is known to result from an imbalance between re- and demineralization where demineralization dominates due to frequent acid production by cariogenic bacteria present in oral biofilms. The application of oral care formulations containing remineralizing agents helps to prevent dental caries. As young children are sensitive and usually swallow (intended or unintended) a majority of toothpaste or other oral care products during daily dental care, all ingredients, especially the actives, should be non-toxic. Biomimetic hydroxyapatite [HAP; Ca5(PO4)3(OH)] is known to have favorable remineralizing properties combined with an excellent biocompatibility, i.e., it is safe if accidently swallowed. Several clinical trials as well as in situ and in vitro studies have shown that HAP remineralizes enamel and dentin. Remineralization occurs due to deposition of HAP particles on tooth surfaces forming mineral-mineral bridges with enamel crystals, but also indirectly through calcium and phosphate ions release as well as HAP's buffering properties in acidic environments (i.e., in plaque). HAP induces a homogenous remineralization throughout the subsurface enamel lesions. This review summarizes the current evidence showing HAP as an effective remineralizing agent in oral care products for children. Additional studies showing also further beneficial effects of HAP such as the reduction of biofilm formation and the relief of hypersensitivity in children with molar incisor hypomineralization (MIH). It can be concluded that HAP is an effective and safe remineralizing agent for child dental care.
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Polymeric Dental Nanomaterials: Antimicrobial Action. Polymers (Basel) 2022; 14:polym14050864. [PMID: 35267686 PMCID: PMC8912874 DOI: 10.3390/polym14050864] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 02/17/2022] [Accepted: 02/19/2022] [Indexed: 02/04/2023] Open
Abstract
This review aims to describe and critically analyze studies published over the past four years on the application of polymeric dental nanomaterials as antimicrobial materials in various fields of dentistry. Nanoparticles are promising antimicrobial additives to restoration materials. According to published data, composites based on silver nanoparticles, zinc(II), titanium(IV), magnesium(II), and copper(II) oxide nanoparticles, chitosan nanoparticles, calcium phosphate or fluoride nanoparticles, and nanodiamonds can be used in dental therapy and endodontics. Composites with nanoparticles of hydroxyapatite and bioactive glass proved to be of low efficiency for application in these fields. The materials applicable in orthodontics include nanodiamonds, silver nanoparticles, titanium(IV) and zinc(II) oxide nanoparticles, bioactive glass, and yttrium(III) fluoride nanoparticles. Composites of silver nanoparticles and zinc(II) oxide nanoparticles are used in periodontics, and nanodiamonds and silver, chitosan, and titanium(IV) oxide nanoparticles are employed in dental implantology and dental prosthetics. Composites based on titanium(IV) oxide can also be utilized in maxillofacial surgery to manufacture prostheses. Composites with copper(II) oxide nanoparticles and halloysite nanotubes are promising materials in the field of denture prosthetics. Composites with calcium(II) fluoride or phosphate nanoparticles can be used in therapeutic dentistry for tooth restoration.
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Su T, Zheng A, Cao L, Peng L, Wang X, Wang J, Xin X, Jiang X. Adhesion-enhancing coating embedded with osteogenesis-promoting PDA/HA nanoparticles for peri-implant soft tissue sealing and osseointegration. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00184-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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14
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Bioactive Bilayer Glass Coating on Porous Titanium Substrates with Enhanced Biofunctional and Tribomechanical Behavior. COATINGS 2022. [DOI: 10.3390/coatings12020245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The use of porous titanium samples fabricated by space-holder powder metallurgy with bioactive coatings has already been reported to prevent resorption of the bone surrounding the implant and improve osseointegration, respectively. However, the presence of pores as well as the poor adherence and the brittle behavior inherent to glassy coatings affect the service behavior of implants fabricated from these samples. Therefore, they need to be optimized. In this work, 50 vol.% of porosity titanium substrates were manufactured with different pore range size (100–200 and 355–500 µm) spacer particles and coated with a bilayer of bioactive glasses (45S5/1393). The effect of the pores on the tribomechanical properties and infiltration of the bioactive glass 1393 along with the bioactivity of the bioactive glass 45S5 were evaluated by instrumented micro-indentation and scratch tests and the formation of hydroxyapatite in simulated body fluid. The results obtained were very promising as potential implants for the replacement of small tumors in cortical bone tissues, mainly due to the smaller pores that present an improved biomechanical and biofunctional balance.
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Nanohydroxyapatite Electrodeposition onto Electrospun Nanofibers: Technique Overview and Tissue Engineering Applications. Bioengineering (Basel) 2021; 8:bioengineering8110151. [PMID: 34821717 PMCID: PMC8615206 DOI: 10.3390/bioengineering8110151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/15/2021] [Accepted: 10/15/2021] [Indexed: 11/17/2022] Open
Abstract
Nanocomposite scaffolds based on the combination of polymeric nanofibers with nanohydroxyapatite are a promising approach within tissue engineering. With this strategy, it is possible to synthesize nanobiomaterials that combine the well-known benefits and advantages of polymer-based nanofibers with the osteointegrative, osteoinductive, and osteoconductive properties of nanohydroxyapatite, generating scaffolds with great potential for applications in regenerative medicine, especially as support for bone growth and regeneration. However, as efficiently incorporating nanohydroxyapatite into polymeric nanofibers is still a challenge, new methodologies have emerged for this purpose, such as electrodeposition, a fast, low-cost, adjustable, and reproducible technique capable of depositing coatings of nanohydroxyapatite on the outside of fibers, to improve scaffold bioactivity and cell–biomaterial interactions. In this short review paper, we provide an overview of the electrodeposition method, as well as a detailed discussion about the process of electrodepositing nanohydroxyapatite on the surface of polymer electrospun nanofibers. In addition, we present the main findings of the recent applications of polymeric micro/nanofibrous scaffolds coated with electrodeposited nanohydroxyapatite in tissue engineering. In conclusion, comments are provided about the future direction of nanohydroxyapatite electrodeposition onto polymeric nanofibers.
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The Role of Biomaterials and Biocompatible Materials in Implant-Supported Dental Prosthesis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:3349433. [PMID: 34394378 PMCID: PMC8360736 DOI: 10.1155/2021/3349433] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 07/27/2021] [Indexed: 12/24/2022]
Abstract
The dental implant is one of the appropriate instances of the different dental materials and their application, which is the combined procedure of technology and science in physics, biomechanics, and surface chemistry from macroscale to nanoscale surface engineering and manufactured technologies. In recent decades, biomaterials in implant therapy promote bone response and biomechanical ability, which is long-term from surgical equipment to final prosthetic restoration. Biomaterials have a crucial role in rehabilitating the damaged structure of the tooth and supplying acceptable outcomes correlated with clinical performance. There are some challenges in implantation such as bleeding, mobility, peri-implant infections, and the solution associated with modern strategies which are regarded to biomaterials. Various materials have been known as promising candidates for coatings of dental implants which contain polyhydroxyalkanoates, calcium phosphate, carbon, bisphosphonates, hydroxyapatite, bone stimulating factors, bioactive glass, bioactive ceramics, collagen, chitosan, metal and their alloys, fluoride, and titanium/titanium nitride. It is pivotal that biomaterials should be biodegradable; for example, polyhydroxyalkanoates are biodegradable; also, they do not have bad effects on tissues and cells. Despite this, biomaterials have important roles in prosthetic conditions such as dental pulp regeneration, the healing process, and antibacterial and anti-inflammatory effects. In this review study, the role of biocompatible materials in dental implants is investigated in in vitro and in vivo studies.
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Mello-Machado RC, Sartoretto SC, Granjeiro JM, Calasans-Maia JDA, de Uzeda MJPG, Mourão CFDAB, Ghiraldini B, Bezerra FJB, Senna PM, Calasans-Maia MD. Osseodensification enables bone healing chambers with improved low-density bone site primary stability: an in vivo study. Sci Rep 2021; 11:15436. [PMID: 34326400 PMCID: PMC8322171 DOI: 10.1038/s41598-021-94886-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 07/18/2021] [Indexed: 11/19/2022] Open
Abstract
Primary implant stability is a prerequisite for successful implant osseointegration. The osseodensification technique (OD) is a non-subtractive drilling technique that preserves the bone tissue, increases osteotomy wall density, and improves the primary stability. This study aimed to investigate the hypothesis that OD, through a wider osteotomy, produces healing chambers (HCs) at the implant-bone interface without impacting low-density bone primary stability. Twenty implants (3.5 × 10 mm) with a nanohydroxyapatite (nHA) surface were inserted in the ilium of ten sheep. Implant beds were prepared as follows: (i) 2.7-mm-wide using subtractive conventional drilling (SCD) technique (n = 10); (ii) 3.8-mm-wide using an OD bur system (n = 10). The sheep were randomized to two groups, with samples collected at either 14-(n = 5) or 28-days (n = 5) post-surgery and processed for histological and histomorphometric evaluation of bone-implant contact (BIC) and bone area fraction occupancy (BAFO). No significant group differences were found with respect to final insertion torque and implant stability quotient (p > 0.050). BIC values were higher for SCD after 14 and 28 days (p < 0.050); however, BAFO values were similar (p > 0.050). It was possible to conclude that the OD technique allowed a wider implant bed preparation without prejudice on primary stability and bone remodeling.
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Affiliation(s)
- Rafael Coutinho Mello-Machado
- Graduate Program, Dentistry School, Universidade Federal Fluminense, Niterói, Brazil.,Implantology Department, Universidade Iguaçu, Nova Iguaçu, RJ, Brazil
| | - Suelen Cristina Sartoretto
- Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu, RJ, Brazil.,Post-Graduation Program in Dentistry, Universidade Veiga de Almeida, Rio de Janeiro, RJ, Brazil.,Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4 Floor, Niterói, RJ, Brazil
| | - Jose Mauro Granjeiro
- Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4 Floor, Niterói, RJ, Brazil.,National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ, Brazil
| | | | - Marcelo Jose Pinheiro Guedes de Uzeda
- Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu, RJ, Brazil.,Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4 Floor, Niterói, RJ, Brazil
| | | | - Bruna Ghiraldini
- Dental Research Division, Dentistry School, Universidade Paulista, São Paulo, SP, Brazil
| | | | | | - Mônica Diuana Calasans-Maia
- Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4 Floor, Niterói, RJ, Brazil.
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18
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da Cruz MB, Marques JF, Fernandes BF, Pinto P, Madeira S, Carvalho Ó, Silva FS, Caramês JMM, da Mata ADSP. Laser surface treatment on Yttria-stabilized zirconia dental implants: Influence on cell behavior. J Biomed Mater Res B Appl Biomater 2021; 110:249-258. [PMID: 34278714 DOI: 10.1002/jbm.b.34909] [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: 01/30/2021] [Revised: 05/29/2021] [Accepted: 07/08/2021] [Indexed: 11/08/2022]
Abstract
Yttria-stabilized zirconia (YSZ) is being proposed as an alternative material to Titanium for dental implants due to its aesthetic and biocompatibility properties. However, is it yet to define the optimal surface treatment to improve YSZ bioactivy. Texturization is a promising approach, but the biological role of patterned YSZ surfaces in cell cultures is yet to be determined. Thus, cellular behavior of osteoblasts and fibroblasts in contact with groove-texturized YSZ surfaces was investigated. YSZ discs were groove-textured by conventional milling and Nd:YAG laser. All samples including control were sandblasted and acid-etched. Human osteoblasts and fibroblasts were cultured on discs for 14 days. Morphology and cellular adhesion were observed. Cell viability, interleukin-1β, osteopontin, collagen type I prodution, alkaline phosphatase activity, and interleukin-8 were measured. YSZ texturization by conventional milling improved osteoblasts viability and differentiation when compared to laser texturization. Fibroblasts behavior did not seem to be influenced by the texturing technique. Compared to sandblasting and acid etching currently used as gold standard for zirconia dental implants no superiority of macrotexturization was found.
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Affiliation(s)
- Mariana Brito da Cruz
- Oral Biology and Biochemistry Research Group-UICOB, Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
| | - Joana Faria Marques
- Oral Biology and Biochemistry Research Group-UICOB, Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
| | - Beatriz Ferreira Fernandes
- Oral Biology and Biochemistry Research Group-UICOB, Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
| | - Paulo Pinto
- Center for Microelectromechanical Systems (CMEMS), Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - Sara Madeira
- Center for Microelectromechanical Systems (CMEMS), Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - Óscar Carvalho
- Center for Microelectromechanical Systems (CMEMS), Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - Filipe Samuel Silva
- Center for Microelectromechanical Systems (CMEMS), Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - João Manuel Mendez Caramês
- Implant & Tissue Regeneration Group-Unidade de Investigação em Ciências Orais e Biomédicas (UICOB); LIBPhys-FCT UID/FIS/04559/2013, Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
| | - António Duarte Sola Pereira da Mata
- Oral Biology and Biochemistry Research Group - UICOB; LIBPhys-FTC UID/FIS/04559/2013, Faculdade de Medina Dentária, Universidade de Lisboa, Lisbon, Portugal.,CEMDBE - Cochrane Portugal, Faculdade de Medicina Dentária, Universidade de Lisboa, Lisbon, Portugal
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19
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Kim HG, Yun PY, Kim YK, Kim IH. Comparison of sandblasted and acid-etched surface implants and new hydrophilic surface implants in the posterior maxilla using a 3-month early-loading protocol: a randomized controlled trial. J Korean Assoc Oral Maxillofac Surg 2021; 47:175-182. [PMID: 34187957 PMCID: PMC8249194 DOI: 10.5125/jkaoms.2021.47.3.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Revised: 01/21/2021] [Accepted: 02/01/2021] [Indexed: 12/01/2022] Open
Abstract
Objectives In this prospective randomized controlled trial, we measured the primary and secondary stability of two surface-treated implants placed in the posterior maxilla, applied 3-month loading protocols, and compared and analyzed the short-term outcomes of the implants. Patients and Methods From June 2018 to June 2019, patients with a residual bone height of 4 mm in the posterior maxilla were enrolled and randomly divided into two groups to place SA implants (Osstem Implants, Korea) in Group A and NH implants (Hiossen, USA) in Group B. Finally, 14 implants placed in 13 patients in Group A and 17 implants placed in 14 patients in Group B were analyzed. The measured primary and secondary stability of each implant was represented by implant stability quotient (ISQ), and treatment outcomes were evaluated. Results Group A consisted of patients with an average age of 62.2 years (range, 48-80 years), and Group B consisted of patients with an average age of 58.1 years (range, 35-82 years). Primary stability was 73.86±6.40 and 71.24±5.32 in Groups A and B, respectively (P=0.222). Secondary stability was 79.07±5.21 in Group A and 78.29±4.74 in Group B (P=0.667). A steep increase in ISQ during the healing period was observed in Group B, though it was not significant (P=0.265). The mean follow-up period was 378.5±164.6 days in Group A and 385.3±167.9 days in Group B. All implants in each group met the success criteria, and the success rate was 100%. Conclusion Two surface-treated implants placed in the posterior maxilla with greater than 4 mm alveolar bone height exhibited successful one-year treatment outcomes if a primary stability of 65 or higher ISQ was obtained and a 3-month early loading protocol was applied.
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Affiliation(s)
- Hyeong Gi Kim
- Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea.,Office of Human Resources Development, Armed Forces Capital Hospital, Armed Forces Medical Command, Seongnam, Korea
| | - Pil-Young Yun
- Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Young-Kyun Kim
- Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea.,School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.,Department of Oral and Maxillofacial Surgery, Armed Forces Capital Dental Hospital, Armed Forces Medical Command, Seongnam, Korea
| | - Il-Hyung Kim
- Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Oral and Maxillofacial Surgery, Armed Forces Capital Dental Hospital, Armed Forces Medical Command, Seongnam, Korea
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20
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Dental Applications of Systems Based on Hydroxyapatite Nanoparticles—An Evidence-Based Update. CRYSTALS 2021. [DOI: 10.3390/cryst11060674] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hydroxyapatite is one of the most studied biomaterials in the medical and dental field, because of its biocompatibility; it is the main constituent of the mineral part of teeth and bones. In dental science, hydroxyapatite nanoparticles (HAnps) or nano-hydroxyapatite (nano-HA) have been studied, over the last decade, in terms of oral implantology and bone reconstruction, as well in restorative and preventive dentistry. Hydroxyapatite nanoparticles have significant remineralizing effects on initial enamel lesions, and they have also been used as an additive material in order to improve existing and widely used dental materials, mainly in preventive fields, but also in restorative and regenerative fields. This paper investigates the role of HAnps in dentistry, including recent advances in the field of its use, as well as their advantages of using it as a component in other dental materials, whether experimental or commercially available. Based on the literature, HAnps have outstanding physical, chemical, mechanical and biological properties that make them suitable for multiple interventions, in different domains of dental science. Further well-designed randomized controlled trials should be conducted in order to confirm all the achievements revealed by the in vitro or in vivo studies published until now.
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21
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Dexamethasone-Loaded Bioactive Coatings on Medical Grade Stainless Steel Promote Osteointegration. Pharmaceutics 2021; 13:pharmaceutics13040568. [PMID: 33923814 PMCID: PMC8073817 DOI: 10.3390/pharmaceutics13040568] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/06/2021] [Accepted: 04/13/2021] [Indexed: 11/22/2022] Open
Abstract
In this study, a multilayer bioactive coating based on carboxymethyl cellulose (CMC) and dexamethasone (DEX) was prepared on medical-grade stainless steel (AISI 316LVM). Its aim was the controlled drug delivery of the incorporated anti‑inflammatory drug, which at the same time promotes osteogenic differentiation of mesenchymal stem cells. Due to DEX’s limited solubility in physiological fluids, which limits the loading capacity of coatings, it was further combined with β-cyclodextrin to increase its concentration in the bioactive coating. Controlled release of DEX from the multilayer coating was achieved in four steps: a “burst”, i.e., very fast, release step (in an immersion interval of 0–10 min), a fast release step (10–30 min), a slow-release step (60–360 min), and a plateau step (360–4320 min), following a zero-order release or Higuchi model release mechanism. Successful layer-by-layer coating formation was confirmed using attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR). It was shown that the application of the coating significantly increases the hydrophilic character of AISI 316LVM, and also significantly increases the surface roughness, which is known to promote cell growth. In addition, electrochemical measurements demonstrated that the coating application does not increase the susceptibility of medical-grade stainless steel to corrosion. In vitro cell testing using all cell types with which such coatings come into contact in the body (osteoblasts, chondrocytes, and mesenchymal stem cells (MSCs)) showed very good biocompatibility towards all of the mentioned cells. It further confirmed that the coatings promoted MSCs osteogenic differentiation, which is the desired mode of action for orthopedic implants.
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22
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Synthesis and characterization of nano-hydroxyapatite from Sardinella longiceps fish bone and its effects on human osteoblast bone cells. J Mech Behav Biomed Mater 2021; 119:104501. [PMID: 33865069 DOI: 10.1016/j.jmbbm.2021.104501] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/23/2021] [Accepted: 03/29/2021] [Indexed: 12/16/2022]
Abstract
Organic debris in the form of fish bone wastes account to several thousand tons annually. In recent years, researchers have turned attention towards the bioconversion of organic debris into materials with biomedical applications. Accordingly, the present study synthesized nano-Hydroxyapatite (n-HAP) from bones of discarded Sardinella longiceps by the alkaline hydrolysis method. The synthesized n-HAP was characterized by using the scanning electron microscope (SEM), X-ray diffraction (XRD), atomic force microscope (AFM), and Fourier transform infrared spectroscopy (FTIR). Crushed fish bone demonstrated an agglomerate of fine and rod-like crystals as observed in SEM, whereas n-HAP exhibited a structure of dense thick particles. FTIR spectral data confirmed the functional groups such as alkanes, esters, saturated aliphatic, and aromatic groups. XRD analysis exhibited strong diffraction peaks of HAP confirming its presence in synthesized n-HAP. AFM analysis affirmed that the synthesized particles had an average size of 19.65 nm. Cell viability was tested at different concentrations (10, 50, 100, 250 μg/mL) against human osteoblast bone cells (MG-63).The maximum cell viability (141.3 ± 3.1%) was observed at 100 μg/mL (24 h). Mineralization was evaluated using Alizarin red staining of osteoblast MG-63 cells treated with n-HAP at the concentration of 50 and 100 μg/mL (0.54 ± 0.03 and 0.99 ± 0.05%) which exhibited red color indicating good results. The size, morphology, functional groups, viability and mineralization of the synthesized n-HAP are favorable for its use in bone tissue engineering and other potential osteo and dental applications.
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23
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Noviyanti AR, Rahayu I, Fauzia RP, Risdiana. The effect of Mg concentration to mechanical strength of hydroxyapatite derived from eggshell. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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24
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Gherasim O, Grumezescu AM, Grumezescu V, Negut I, Dumitrescu MF, Stan MS, Nica IC, Holban AM, Socol G, Andronescu E. Bioactive Coatings Based on Hydroxyapatite, Kanamycin, and Growth Factor for Biofilm Modulation. Antibiotics (Basel) 2021; 10:160. [PMID: 33562515 PMCID: PMC7914914 DOI: 10.3390/antibiotics10020160] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/22/2021] [Accepted: 02/02/2021] [Indexed: 02/07/2023] Open
Abstract
The occurrence of opportunistic local infections and improper integration of metallic implants results in severe health conditions. Protective and tunable coatings represent an attractive and challenging selection for improving the metallic devices' biofunctional performances to restore or replace bone tissue. Composite materials based on hydroxyapatite (HAp), Kanamycin (KAN), and fibroblast growth factor 2 (FGF2) are herein proposed as multifunctional coatings for hard tissue implants. The superior cytocompatibility of the obtained composite coatings was evidenced by performing proliferation and morphological assays on osteoblast cell cultures. The addition of FGF2 proved beneficial concerning the metabolic activity, adhesion, and spreading of cells. The KAN-embedded coatings exhibited significant inhibitory effects against bacterial biofilm development for at least two days, the results being superior in the case of Gram-positive pathogens. HAp-based coatings embedded with KAN and FGF2 protein are proposed as multifunctional materials with superior osseointegration potential and the ability to reduce device-associated infections.
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Affiliation(s)
- Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (O.G.); (A.M.G.); (M.F.D.); (M.S.S.); (E.A.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (I.N.); (G.S.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (O.G.); (A.M.G.); (M.F.D.); (M.S.S.); (E.A.)
- Research Institute of the University of Bucharest–ICUB, University of Bucharest, 050657 Bucharest, Romania; (I.C.N.); (A.M.H.)
| | - Valentina Grumezescu
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (I.N.); (G.S.)
| | - Irina Negut
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (I.N.); (G.S.)
| | - Marius Florin Dumitrescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (O.G.); (A.M.G.); (M.F.D.); (M.S.S.); (E.A.)
| | - Miruna Silvia Stan
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (O.G.); (A.M.G.); (M.F.D.); (M.S.S.); (E.A.)
- Research Institute of the University of Bucharest–ICUB, University of Bucharest, 050657 Bucharest, Romania; (I.C.N.); (A.M.H.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Ionela Cristina Nica
- Research Institute of the University of Bucharest–ICUB, University of Bucharest, 050657 Bucharest, Romania; (I.C.N.); (A.M.H.)
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 050095 Bucharest, Romania
| | - Alina Maria Holban
- Research Institute of the University of Bucharest–ICUB, University of Bucharest, 050657 Bucharest, Romania; (I.C.N.); (A.M.H.)
- Department of Microbiology and Immunology, Faculty of Biology, University of Bucharest, 077206 Bucharest, Romania
| | - Gabriel Socol
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 077125 Magurele, Romania; (I.N.); (G.S.)
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 011061 Bucharest, Romania; (O.G.); (A.M.G.); (M.F.D.); (M.S.S.); (E.A.)
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25
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Alipour M, Firouzi N, Aghazadeh Z, Samiei M, Montazersaheb S, Khoshfetrat AB, Aghazadeh M. The osteogenic differentiation of human dental pulp stem cells in alginate-gelatin/Nano-hydroxyapatite microcapsules. BMC Biotechnol 2021; 21:6. [PMID: 33430842 PMCID: PMC7802203 DOI: 10.1186/s12896-020-00666-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 12/22/2020] [Indexed: 02/06/2023] Open
Abstract
Background Microcapsule is considered as a promising 3D microenvironment for Bone Tissue Engineering (BTE) applications. Microencapsulation of cells in an appropriate scaffold not only protected the cells against excess stress but also promoted cell proliferation and differentiation. Through the current study, we aimed to microcapsulate the human Dental Pulp Stem Cells (hDPSCs) and evaluated the proliferation and osteogenic differentiation of those cells by using MTT assay, qRT-PCR, Alkaline phosphatase, and Alizarine Red S. Results The SEM results revealed that Alg/Gel microcapsules containing nHA showed a rough and more compact surface morphology in comparison with the Alg/Gel microcapsules. Moreover, the microencapsulation by Alg/Gel/nHA could improve cell proliferation and induce osteogenic differentiation. The cells cultured in the Alg/Gel and Alg/Gel/nHA microcapsules showed 1.4-fold and 1.7-fold activity of BMP-2 gene expression more in comparison with the control group after 21 days. The mentioned amounts for the BMP-2 gene were 2.5-fold and 4-fold more expression for the Alg/Gel and Alg/Gel/nHA microcapsules after 28 days. The nHA, addition to hDPSCs-laden Alg/Gel microcapsule, could up-regulate the bone-related gene expressions of osteocalcin, osteonectin, and RUNX-2 during the 21 and 28 days through the culturing period, too. Calcium deposition and ALP activities of the cells were observed in accordance with the proliferation results as well as the gene expression analysis. Conclusion The present study demonstrated that microencapsulation of the hDPSCs inside the Alg/Gel/nHA hydrogel could be a potential approach for regenerative dentistry in the near future. Graphical abstract ![]()
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Affiliation(s)
- Mahdieh Alipour
- Dental and Periodontal Research Center, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nima Firouzi
- Stem Cell and Tissue Engineering Research Laboratory, Sahand University of Technology, Tabriz, Iran
| | - Zahra Aghazadeh
- Stem Cell Research Center and Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Samiei
- Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soheila Montazersaheb
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Baradar Khoshfetrat
- Stem Cell and Tissue Engineering Research Laboratory, Sahand University of Technology, Tabriz, Iran.
| | - Marziyeh Aghazadeh
- Stem Cell Research Center and Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran.
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26
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Yuan B, Wang L, Zhao R, Yang X, Yang X, Zhu X, Liu L, Zhang K, Song Y, Zhang X. A biomimetically hierarchical polyetherketoneketone scaffold for osteoporotic bone repair. SCIENCE ADVANCES 2020; 6:eabc4704. [PMID: 33310848 PMCID: PMC7732183 DOI: 10.1126/sciadv.abc4704] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 10/28/2020] [Indexed: 02/05/2023]
Abstract
Osteoporotic fractures are prevalent in society, and their incidence appears to be increasing as the worldwide population ages. However, conventional bone repair materials hardly satisfy the requirements for the repair of pathological fractures. Here, we developed a biomimetic polyetherketoneketone scaffold with a functionalized strontium-doped nanohydroxyapatite coating for osteoporotic bone defect applications. The scaffold has a hierarchically porous architecture and mechanical strength similar to that of osteoporotic trabecular bone. In vitro and in vivo studies demonstrated that the scaffold could promote osteoporotic bone regeneration and delay adjacent bone loss via regulating both osteoblasts and osteoclasts. In addition, the correlations between multiple preimplantation and postimplantation parameters were evaluated to determine the potential predictors of in vivo performance of the material. The current work not only develops a promising candidate for osteoporotic bone repair but also provides a viable approach for designing other functional biomaterials and predicting their translational value.
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Affiliation(s)
- Bo Yuan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Linnan Wang
- Department of Orthopaedics, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Rui Zhao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Xi Yang
- Department of Orthopaedics, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xiao Yang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Xiangdong Zhu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Limin Liu
- Department of Orthopaedics, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Kai Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Yueming Song
- Department of Orthopaedics, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
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27
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Negahdari R, Ghavimi MA, Barzegar A, Memar MY, Balazadeh L, Bohlouli S, Sharifi S, Maleki Dizaj S. Antibacterial effect of nanocurcumin inside the implant fixture: An in vitro study. Clin Exp Dent Res 2020; 7:163-169. [PMID: 33210463 PMCID: PMC8019767 DOI: 10.1002/cre2.348] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/08/2020] [Accepted: 10/10/2020] [Indexed: 12/28/2022] Open
Abstract
Objectives Infections after implant placement are the main reasons for the failure of implant treatments. The present study aimed to evaluate the antibacterial effects of nanocurcumin inside the implant fixture against Escherichia coli, Staphylococcus aureus, and Enterococcus faecalis. Materials and Methods Twenty seven implants were classified in three groups for testing the antibacterial effect of nanocurcumin, chlorhexidine (as negative control), and distilled water (as negative control). Each group was then divided into three subgroups to study the effect of the applied torque on the antimicrobial effect of nanocurcumin. All implant abutment assemblies were submerged in bacteria suspension and were incubated at 37°C for 24 hours. The contents of each implant were removed to count the colony of bacteria on the surface of plates containing nutrient agar. Results Results indicated that the inhibitory rate of bacteria by nanocurcumin was above 99% in all bacteria. Besides, by increasing the amount of applied torque from 10 to 35 N.cm, the CFU of bacteria in exposure to nanocurcumin significantly were decreased (p‐value < 0.01). Conclusion The results of this study revealed that nanocurcumin can be used inside the implant fixture in order to use antimicrobial effects and further stabilization and success of the implant.
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Affiliation(s)
- Ramin Negahdari
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Ali Ghavimi
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Barzegar
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Yousef Memar
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ladan Balazadeh
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Bohlouli
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Ghavimi MA, Bani Shahabadi A, Jarolmasjed S, Memar MY, Maleki Dizaj S, Sharifi S. Nanofibrous asymmetric collagen/curcumin membrane containing aspirin-loaded PLGA nanoparticles for guided bone regeneration. Sci Rep 2020; 10:18200. [PMID: 33097790 PMCID: PMC7584591 DOI: 10.1038/s41598-020-75454-2] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 10/15/2020] [Indexed: 01/08/2023] Open
Abstract
The goal of the current study was to develop an asymmetric guided bone regeneration (GBR) membrane benefiting from curcumin and aspirin. The membrane was prepared using electrospinning technique and then was physic-chemically characterized by the conventional methods. The release profile of aspirin from the prepared membrane was also measured by ultraviolet spectrophotometry. Also, the antibacterial activities of the membrane was evaluated. We also assessed the in vitro effects of the prepared membrane on the biocompatibility and osteogenic differentiation of dental pulp stem cells (DPSCs), and evaluated in vivo bone regeneration using the prepared membrane in the defects created in both sides of the dog’s jaw by histology. The results from the characterization specified that the membrane was successfully prepared with monodispersed nanosized fibers, uniform network shaped morphology, negative surface charge and sustained release platform for aspirin. The membrane also showed antimicrobial effects against all tested bacteria. The presence of curcumin and aspirin in the asymmetric membrane enhanced osteogenic potential at both transcriptional and translational levels. The results of the animal test showed that the test area was completely filled with new bone after just 28 days, while the commercial membrane area remained empty. There was also a soft tissue layer above the new bone area in the test side. We suggested that the prepared membrane in this work could be used as a GBR membrane to keep soft tissue from occupying bone defects in GBR surgeries. Besides, the surgeries can be benefited from antibacterial activities and bone healing effects of this novel GBR membrane while, simultaneously, promoting bone regeneration.
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Affiliation(s)
- Mohammad Ali Ghavimi
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amirhossein Bani Shahabadi
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyedhosein Jarolmasjed
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Mohammad Yousef Memar
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Negahdari R, Bohlouli S, Sharifi S, Maleki Dizaj S, Rahbar Saadat Y, Khezri K, Jafari S, Ahmadian E, Gorbani Jahandizi N, Raeesi S. Therapeutic benefits of rutin and its nanoformulations. Phytother Res 2020; 35:1719-1738. [PMID: 33058407 DOI: 10.1002/ptr.6904] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 09/02/2020] [Accepted: 09/22/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Rutin as a natural flavonoid compound has revealed an extensive range of therapeutic potentials. PURPOSE The current paper is focused on the numerous studies on rutin nanoformulations regarding its broad spectrum of therapeutic potentials. STUDY AND METHODS A review was conducted in electronic databases (PubMed) to identify relevant published literature in English. No restrictions on publication date were imposed. RESULTS The literature search provided 7,078 results for rutin. Among them, 25 papers were related to the potential biological activities of rutin nanoformulations. Polymeric nanoparticles were the most studied nanoformulations for rutin (14 titles) and lipid nanoparticles (5 titles) were in second place. The reviewed literature showed that rutin has been used as an antimicrobial, antifungal, and anti-allergic agent. Improving the bioavailability of rutin using novel drug-delivery methods will help the investigators to use its useful effects in the treatment of various chronic human diseases. CONCLUSION It can be concluded that the preparation of rutin nanomaterials for the various therapeutic objects confirmed the enhanced aqueous solubility as well as enhanced efficacy compared to conventional delivery of rutin. However, more investigations should be conducted to confirm the improved bioavailability of the rutin nanoformulations.
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Affiliation(s)
- Ramin Negahdari
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Bohlouli
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yalda Rahbar Saadat
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khadijeh Khezri
- Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran, University of Medical Sciences, Sari, Iran
| | - Samira Jafari
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Elham Ahmadian
- Kidney Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Negar Gorbani Jahandizi
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Safa Raeesi
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
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Matos GRM. Surface Roughness of Dental Implant and Osseointegration. J Maxillofac Oral Surg 2020; 20:1-4. [PMID: 33584035 DOI: 10.1007/s12663-020-01437-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 08/08/2020] [Indexed: 10/23/2022] Open
Abstract
Introduction Dental implants are a usual treatment for the loss of teeth. The success of this therapy is due to the predictability, safety and longevity of the bone-implant interface. Dental implant surface characteristics like roughness, chemical constitution, and mechanical factors can contribute to the early osseointegration. The aim of the present article is to perform a review of the literature on surface roughness of dental implant and osseointegration. Methodology This work is a narrative review of some aspects of surface roughness of dental implant and osseointegration. Conclusion Despite technological advancement in the biomaterials field, the ideal surface roughness for osseointegration still remains unclear. In this study about surface nanoroughness of dental implant and osseointegration, the clinical relevance is yet unknown. Innovative findings on nanoroughness are valuable in the fields of dental implantology, maxillofacial or orthopedic implant surfaces and also on cardiovascular implants in permanent contact with patient's blood.
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da Cruz MB, Marques JF, Peñarrieta-Juanito GM, Costa M, Souza JCM, Magini RS, Miranda G, Silva FS, Caramês JMM, da Mata ADSP. Bioactive-Enhanced Polyetheretherketone Dental Implant Materials: Mechanical Characterization and Cellular Responses. J ORAL IMPLANTOL 2020; 47:9-17. [DOI: 10.1563/aaid-joi-d-19-00172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The aim of this study was to characterize the mechanical properties of a bioactive-modified polyetheretherketone (PEEK) manufacturing approach for dental implants and to compare the in vitro biological behavior with titanium alloy (Ti6Al4V) as the reference. PEEK, PEEK with 5% hydroxyapatite (HA), PEEK with 5% beta-tricalcium phosphate (βTCP), and Ti6Al4V discs were produced using hot pressing technology to create a functionally graded material (FGM). Surface roughness values (Ra, Rz), water contact angle, shear bond strength, and Vickers hardness tests were performed. Human osteoblasts and gingival fibroblasts bioactivity was evaluated by a resazurin-based method, alkaline phosphatase activity (ALP), and confocal laser scanning microscopy (CLSM) images of fluorescent-stained fibroblasts. Morphology and cellular adhesion were confirmed using field emission gun-scanning electron microscopy (FEG-SEM). Group comparisons were tested using analysis of variance (Tukey post hoc test), α = .05. All groups presented similar roughness values (P > .05). Ti6Al4V group was found to have the highest contact angle (P < .05). Shear bond strength and Vickers hardness of different PEEK materials were similar (P > .05); however, the mean values in the Ti6Al4V group were significantly higher when compared with those of the other groups (P < .05). Cell viability and proliferation of osteoblast and fibroblast cells were higher in the PEEK group (P < .05). PEEK-βTCP showed the highest significant ALP activity over time (P < .05 at 14 days of culture). An enhanced bone and soft-tissue cell behavior on pure PEEK was obtained to the gold standard (Ti6Al4V) with equivalent roughness. The results substantiate the potential role of chemical composition rather than physical properties of materials in biological responses. The addition of 5% HA or βTCP by FGM did not enhance PEEK mechanical properties or periodontal cell behavior.
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Affiliation(s)
- Mariana Brito da Cruz
- Oral Biology and Biochemistry Research Group, LIBPhys, Faculty of Dental Medicine, Universidade de Lisboa, Lisboa, Portugal
| | - Joana Faria Marques
- Oral Biology and Biochemistry Research Group, LIBPhys, Faculty of Dental Medicine, Universidade de Lisboa, Lisboa, Portugal
| | - Gabriella M. Peñarrieta-Juanito
- Center for Research on Dental Implants, Postgraduate Program in Dentistry, School of Dentistry, Federal University of Santa Catarina, Florianópolis/SC, Brazil
| | - Mafalda Costa
- Center for Microelectromechanical Systems, Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - Júlio C. M. Souza
- Center for Research on Dental Implants, Postgraduate Program in Dentistry, School of Dentistry, Federal University of Santa Catarina, Florianópolis/SC, Brazil
| | - Ricardo S. Magini
- Center for Research on Dental Implants, Postgraduate Program in Dentistry, School of Dentistry, Federal University of Santa Catarina, Florianópolis/SC, Brazil
| | - Georgina Miranda
- Center for Microelectromechanical Systems, Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - Filipe Samuel Silva
- Center for Microelectromechanical Systems, Department of Mechanical Engineering, University of Minho, Guimarães, Portugal
| | - João Manuel Mendez Caramês
- Bone Physiology Research Group, LIBPhys, Faculty of Dental Medicine, Universidade de Lisboa, Lisboa, Portugal
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Sobczak-Kupiec A, Drabczyk A, Kudłacik-Kramarczyk S, Tyliszczak B. Hydroxyapatite powders prepared using two different methods as modifying agents of PVP/collagen composites designed for biomedical applications. INT J POLYM MATER PO 2020. [DOI: 10.1080/00914037.2020.1785458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Agnieszka Sobczak-Kupiec
- Cracow university of Technology, Faculty of Materials Engineering and Physics, Institute of Materials Science, Krakow, Poland
| | - Anna Drabczyk
- Cracow university of Technology, Faculty of Materials Engineering and Physics, Institute of Materials Science, Krakow, Poland
| | - Sonia Kudłacik-Kramarczyk
- Cracow university of Technology, Faculty of Materials Engineering and Physics, Institute of Materials Science, Krakow, Poland
| | - Bozena Tyliszczak
- Cracow university of Technology, Faculty of Materials Engineering and Physics, Institute of Materials Science, Krakow, Poland
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Abstract
The topic of titanium alloys for dental implants has been reviewed. The basis of the review was a search using PubMed, with the large number of references identified being reduced to a manageable number by concentrating on more recent articles and reports of biocompatibility and of implant durability. Implants made mainly from titanium have been used for the fabrication of dental implants since around 1981. The main alloys are so-called commercially pure titanium (cpTi) and Ti-6Al-4V, both of which give clinical success rates of up to 99% at 10 years. Both alloys are biocompatible in contact with bone and the gingival tissues, and are capable of undergoing osseointegration. Investigations of novel titanium alloys developed for orthopaedics show that they offer few advantages as dental implants. The main findings of this review are that the alloys cpTi and Ti-6Al-4V are highly satisfactory materials, and that there is little scope for improvement as far as dentistry is concerned. The conclusion is that these materials will continue to be used for dental implants well into the foreseeable future.
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Shinde RB, Veerapandian M, Kaushik A, Manickam P. State-of-Art Bio-Assay Systems and Electrochemical Approaches for Nanotoxicity Assessment. Front Bioeng Biotechnol 2020; 8:325. [PMID: 32411681 PMCID: PMC7198831 DOI: 10.3389/fbioe.2020.00325] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 03/24/2020] [Indexed: 12/19/2022] Open
Abstract
Innovations in the field of nanotechnology, material science and engineering has rendered fruitful utilities in energy, environment and healthcare. Particularly, emergence of surface engineered nanomaterials offered novel varieties in the daily consumables and healthcare products including therapeutics and diagnostics. However, the nanotoxicity and bioactivity of the nanomaterials upon interaction with biological system has raised critical concerns to individual as well as to the environment. Several biological models including plant and animal sources have been identified to study the toxicity of novel nanomaterials, correlating the physio-chemical properties. Biological interaction of nanomaterials and its mediated physiological functions are studied using conventional cell/molecular biological assays to understand the expression levels of genetic information specific to intra/extra cellular enzymes, cell viability, proliferation and function. However, modern research still demands advanced bioassay methods to screen the acute and chronic effects of nanomaterials at the real-time. In this regard, bioelectrochemical techniques, with the recent advancements in the microelectronics, proved to be capable of providing non-invasive measurement of the nanotoxicity effects (in vivo and in vitro) both at single cellular and multicellular levels. This review attempted to provide a detailed information on the recent advancements made in development of bioassay models and systems for assessing the nanotoxicology. With a short background information on engineered nanomaterials and physiochemical properties specific to consumer application, present review highlights the multiple bioassay models evolved for toxicological studies. Emphasize on multiple mechanisms involved in the cell toxicity and electrochemical probing of the biological interactions, revealing the cytotoxicity were also provided. Limitations in the existing electrochemical techniques and opportunities for the future research focusing the advancement in single molecular and whole cell bioassay has been discussed.
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Affiliation(s)
| | - Murugan Veerapandian
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Natural Sciences, Division of Sciences, Art & Mathematics, Florida Polytechnic University, Lakeland, FL, United States
| | - Pandiaraj Manickam
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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35
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Hayakawa T, Sato M. Molecular precursor method for thin carbonate-containing apatite coating on dental implants. Dent Mater J 2020; 39:181-186. [PMID: 32037383 DOI: 10.4012/dmj.2019-337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The molecular precursor method is an easy and simple method for coating thin carbonate-containing apatite (CA) films onto titanium surfaces. A molecular precursor solution containing ethanol, calcium-EDTA complex, and phosphate salt was dropped onto a titanium surface and then heated at 600°C for 2 h. An adherent thin CA coating was achieved. Animal implantation experiments showed that CA-coated implants had significantly higher bone-to-implant values than non-coated implants (p<0.05). The molecular precursor method was also used to coat three-dimensional titanium webs (TWs). Thin CA films could be coated inside the center area, as well as the surface of the TW, with excellent bone formation inside the CA-coated TW. Furthermore, the molecular precursor method was used to coat partially stabilized zirconia with CA. Better bone response was observed for CA-coated zirconia. From this, it is concluded that the molecular precursor method is useful for producing thin CA coatings on implant materials.
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Affiliation(s)
- Tohru Hayakawa
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
| | - Mitsunobu Sato
- Department of Applied Physics, School of Advanced Engineering, Kogakuin University
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36
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Sharifi S, Fathi N, Memar MY, Hosseiniyan Khatibi SM, Khalilov R, Negahdari R, Zununi Vahed S, Maleki Dizaj S. Anti-microbial activity of curcumin nanoformulations: New trends and future perspectives. Phytother Res 2020; 34:1926-1946. [PMID: 32166813 DOI: 10.1002/ptr.6658] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 01/26/2020] [Accepted: 02/16/2020] [Indexed: 01/03/2023]
Abstract
Curcumin has been used in numerous anti-microbial research because of its low side effects and extensive traditional applications. Despite having a wide range of effects, the intrinsic physicochemical characteristics such as low bioavailability, poor water solubility, photodegradation, chemical instability, short half-life and fast metabolism of curcumin derivatives limit their pharmaceutical importance. To overcome these drawbacks and improve the therapeutic ability of curcuminoids, novel approaches have been attempted recently. Nanoparticulate drug delivery systems can increase the efficiency of curcumin in several diseases, especially infectious diseases. These innovative strategies include polymeric nanoparticles, hydrogels, nanoemulsion, nanocomposite, nanofibers, liposome, nanostructured lipid carriers (NLCs), polymeric micelles, quantum dots, polymeric blend films and nanomaterial-based combination of curcumin with other anti-bacterial agents. Integration of curcumin in these delivery systems has displayed to improve their solubility, bioavailability, transmembrane permeability, prolong plasma half-life, long-term stability, target-specific delivery and upgraded the therapeutic effects. In this review paper, a range of in vitro and in vivo studies have been critically discussed to explore the therapeutic viability and pharmaceutical significance of the nano-formulated delivery systems to elevate the anti-bacterial activities of curcumin and its derivatives.
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Affiliation(s)
- Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nazanin Fathi
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Yousef Memar
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Rovshan Khalilov
- Department of Biophysics and Molecular Biology, Baku State University, Baku, Azerbaijan.,Institute of Radiation Problems, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan.,Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych, Ukraine.,Joint Ukraine-Azerbaijan International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Baku, Azerbaijan
| | - Ramin Negahdari
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
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Albulescu R, Popa AC, Enciu AM, Albulescu L, Dudau M, Popescu ID, Mihai S, Codrici E, Pop S, Lupu AR, Stan GE, Manda G, Tanase C. Comprehensive In Vitro Testing of Calcium Phosphate-Based Bioceramics with Orthopedic and Dentistry Applications. MATERIALS 2019; 12:ma12223704. [PMID: 31717621 PMCID: PMC6888321 DOI: 10.3390/ma12223704] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/29/2019] [Accepted: 11/05/2019] [Indexed: 02/07/2023]
Abstract
Recently, a large spectrum of biomaterials emerged, with emphasis on various pure, blended, or doped calcium phosphates (CaPs). Although basic cytocompatibility testing protocols are referred by International Organization for Standardization (ISO) 10993 (parts 1-22), rigorous in vitro testing using cutting-edge technologies should be carried out in order to fully understand the behavior of various biomaterials (whether in bulk or low-dimensional object form) and to better gauge their outcome when implanted. In this review, current molecular techniques are assessed for the in-depth characterization of angiogenic potential, osteogenic capability, and the modulation of oxidative stress and inflammation properties of CaPs and their cation- and/or anion-substituted derivatives. Using such techniques, mechanisms of action of these compounds can be deciphered, highlighting the signaling pathway activation, cross-talk, and modulation by microRNA expression, which in turn can safely pave the road toward a better filtering of the truly functional, application-ready innovative therapeutic bioceramic-based solutions.
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Affiliation(s)
- Radu Albulescu
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
- Department Pharmaceutical Biotechnology, National Institute for Chemical-Pharmaceutical R&D, 031299, Bucharest, Romania
| | - Adrian-Claudiu Popa
- National Institute of Materials Physics, 077125 Magurele, Romania (G.E.S.)
- Army Centre for Medical Research, 010195 Bucharest, Romania
| | - Ana-Maria Enciu
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 050047 Bucharest, Romania
| | - Lucian Albulescu
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Maria Dudau
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 050047 Bucharest, Romania
| | - Ionela Daniela Popescu
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Simona Mihai
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Elena Codrici
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Sevinci Pop
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Andreea-Roxana Lupu
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
- Cantacuzino National Medico-Military Institute for Research and Development, 050096 Bucharest, Romania
| | - George E. Stan
- National Institute of Materials Physics, 077125 Magurele, Romania (G.E.S.)
| | - Gina Manda
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
| | - Cristiana Tanase
- Victor Babes National Institute of Pathology, Biochemistry-Proteomics Department, 050096 Bucharest, Romania; (R.A.); (L.A.); (M.D.); (I.D.P.); (S.M.); (E.C.); (S.P.); (A.-R.L.); (G.M.)
- Cajal Institute, Titu Maiorescu University, 004051 Bucharest, Romania
- Correspondence:
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Pajor K, Pajchel L, Kolmas J. Hydroxyapatite and Fluorapatite in Conservative Dentistry and Oral Implantology-A Review. MATERIALS 2019; 12:ma12172683. [PMID: 31443429 PMCID: PMC6747619 DOI: 10.3390/ma12172683] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/15/2019] [Accepted: 08/20/2019] [Indexed: 01/18/2023]
Abstract
Calcium phosphate, due to its similarity to the inorganic fraction of mineralized tissues, has played a key role in many areas of medicine, in particular, regenerative medicine and orthopedics. It has also found application in conservative dentistry and dental surgery, in particular, as components of toothpaste and mouth rinse, coatings of dental implants, cements, and bone substitute materials for the restoration of cavities in maxillofacial surgery. In dental applications, the most important role is played by hydroxyapatite and fluorapatite, i.e., calcium phosphates characterized by the highest chemical stability and very low solubility. This paper presents the role of both apatites in dentistry and a review of recent achievements in the field of the application of these materials.
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Affiliation(s)
- Kamil Pajor
- Analytical Group, Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy with Laboratory Medicine Division, Medical University of Warsaw, 02-097 Warsaw, Poland
| | - Lukasz Pajchel
- Analytical Group, Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy with Laboratory Medicine Division, Medical University of Warsaw, 02-097 Warsaw, Poland
| | - Joanna Kolmas
- Analytical Group, Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy with Laboratory Medicine Division, Medical University of Warsaw, 02-097 Warsaw, Poland.
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39
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Surmenev RA, Surmeneva MA. A critical review of decades of research on calcium phosphate–based coatings: How far are we from their widespread clinical application? CURRENT OPINION IN BIOMEDICAL ENGINEERING 2019. [DOI: 10.1016/j.cobme.2019.02.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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40
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Ranjbar M, Dehghan Noudeh G, Hashemipour MA, Mohamadzadeh I. A systematic study and effect of PLA/Al 2O 3 nanoscaffolds as dental resins: mechanochemical properties. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:201-209. [PMID: 30663399 DOI: 10.1080/21691401.2018.1548472] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
One of the major and important challenges in dental composite resin and restoration is the mechanical performance and property of materials. Nanotechnology can produce nanoscale materials that are used in dentistry to help stabilize and strengthen the dentistry. In this work, we study the synthesis and characterization of PLA/Al2O3 nanoscaffold in different conditions such as concentration, temperature, pH, microwave power and irradiation time. PLA/Al2O3 nanoscaffolds were prepared by a micelle-assisted hydrothermal method. Durability, stability and biodegradable nature of nanopolymers have created the much-applied potential for using this structures in many fields such as dental resin composites. Products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transition electron microscopy (TEM), Fourier transformed infrared spectrum (FT-IR), Dynamic light scattering (DLS) and atomic force microscopy (AFM). The synthesis factors were designed by Taguchi technique to control the process systematically. It was found that the intermolecular crosslinks between PLA and Al2O3 nanoparticles cause significant improves in the mechanical properties of PLA/Al2O3 nanoscaffold as dental nanocomposites. The flexural strength (88.0 MPa), modulus (7.5 GPa) and compressive strength (157.2 MPa) were calculated for PLA/Al2O3 nanoscaffolds loaded in Heliomolar Flow composite resins at 80 ppm (wt) concentration.
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Affiliation(s)
- Mehdi Ranjbar
- a Pharmaceutics Research Center , Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman , Iran
| | - Gholamreza Dehghan Noudeh
- a Pharmaceutics Research Center , Institute of Neuropharmacology, Kerman University of Medical Sciences , Kerman , Iran
| | - Maryam-Alsadat Hashemipour
- b Department of Oral Medicine , School of Dentistry, Kerman University of Medical Sciences , Kerman , Iran
| | - Iman Mohamadzadeh
- c Oral and Dental Disease Research Center , Kerman University of Medical Sciences , Kerman , Iran
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Ranjbar M, Pardakhty A, Tahmipour B, Mohamadzadeh I. Novel CaO/polylactic acid nanoscaffold as dental resin nanocomposites and the investigation of physicochemical properties. LUMINESCENCE 2019; 34:360-367. [DOI: 10.1002/bio.3617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/15/2019] [Accepted: 01/28/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Mehdi Ranjbar
- Pharmaceutics Research Center, Institute of NeuropharmacologyKerman University of Medical Sciences Kerman Iran
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Institute of NeuropharmacologyKerman University of Medical Sciences Kerman Iran
| | - Batool Tahmipour
- Young Researchers and Elite Club, Sirjan BranchIslamic Azad University Sirjan Iran
| | - Iman Mohamadzadeh
- Oral and Dental Disease Research CenterKerman University of Medical Sciences Kerman Iran
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