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Prodan D, Moldovan M, Cuc S, Sarosi C, Petean I, Filip M, Carpa R, Doukeh R, Mirica IC. Advanced Dentistry Biomaterials Containing Graphene Oxide. Polymers (Basel) 2024; 16:1743. [PMID: 38932093 DOI: 10.3390/polym16121743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
The aim of this study was to obtain three experimental resin-based cements containing GO and HA-Ag for posterior restorations. The samples (S0, S1, and S2) shared the same polymer matrix (BisGMA, TEGDMA) and powder mixture (bioglass (La2O3 and Sr-Zr), quartz, GO, and HA-Ag), with different percentages of graphene oxide (0%, 0.1%, 0.2% GO) and silver-doped hydroxyapatite (10%, 9.9%, 9.8% HA-Ag). The physical-chemical properties (water absorption, degree of conversion), mechanical properties (DTS, CS, FS), structural properties (SEM, AFM), and antibacterial properties (Staphylococcus aureus, Enterococcus faecalis, Streptococcus mutans, Porphyromonas gingivalis, and Escherichia coli) were investigated. The results showed that the mechanical properties, except for the diametral tensile test, increased with the rise in the %GO. After 28 days, water absorption increased with the rise in the %GO. The surface structure of the samples did not show major changes after water absorption for 28 days. The antibacterial effects varied depending on the samples and bacterial strains tested. After increasing the %GO and decreasing the %HA-Ag, we observed a more pronounced antibacterial effect. The presence of GO, even in very small percentages, improved the properties of the tested experimental cements.
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Affiliation(s)
- Doina Prodan
- Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
| | - Marioara Moldovan
- Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
| | - Stanca Cuc
- Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
| | - Codruţa Sarosi
- Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
| | - Ioan Petean
- Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 11 Arany János Str., 400028 Cluj-Napoca, Romania
| | - Miuța Filip
- Raluca Ripan Institute for Research in Chemistry, Babeș-Bolyai University, 30 Fantanele Str., 400294 Cluj-Napoca, Romania
| | - Rahela Carpa
- Department of Molecular Biology and Biotechnology, Faculty of Biology and Geology, Babes Bolyai University, 1 M. Kogalniceanu Street, 400084 Cluj-Napoca, Romania
| | - Rami Doukeh
- Department of Well Drilling, Extraction and Transport of Hydrocarbons, Faculty of Petroleum Refining and Petrochemistry, Petroleum-Gas University of Ploiesti, 39 Bucharest Blvd, 100680 Ploiesti, Romania
| | - Ioana-Codruta Mirica
- Department of Oral Health, Iuliu Hatieganu University of Medicine and Pharmacy, 15 Victor Babeș Str., 400347 Cluj-Napoca, Romania
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Hussein AH, Yassir YA. Graphene as a promising material in orthodontics: A review. J Orthod Sci 2024; 13:24. [PMID: 38784078 PMCID: PMC11114461 DOI: 10.4103/jos.jos_3_24] [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: 01/10/2024] [Revised: 02/01/2024] [Accepted: 02/12/2024] [Indexed: 05/25/2024] Open
Abstract
Graphene is an extraordinary material with unique mechanical, chemical, and thermal properties. Additionally, it boasts high surface area and antimicrobial properties, making it an attractive option for researchers exploring innovative materials for biomedical applications. Although there have been various studies on graphene applications in different biomedical fields, limited reviews have been conducted on its use in dentistry, and no reviews have focused on its application in the orthodontic field. This review aims to present a comprehensive overview of graphene-based materials, with an emphasis on their antibacterial mechanisms and the factors that influence these properties. Additionally, the review summarizes the dental applications of graphene, spotlighting the studies of its orthodontic application as they can be used to enhance the antibacterial and mechanical properties of orthodontic materials such as adhesives, archwires, and splints. Also, they can be utilized to enhance bone remodeling during orthodontic tooth movement. An electronic search was carried out in Scopus, PubMed, Science Direct, and Wiley Online Library digital database platforms using graphene and orthodontics as keywords. The search was restricted to English language publications without a time limit. This review highlights the need for further laboratory and clinical research using graphene-based materials to improve the properties of orthodontic materials to make them available for clinical use.
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Affiliation(s)
- Afaf H. Hussein
- Department of Orthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
| | - Yassir A. Yassir
- Department of Orthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq
- Department of Orthodontics, School of Dentistry, University of Dundee, UK
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Fathy H, Haroun H, Riad M. The optical behavior of nano filled resin composite loaded with graphene oxide nanoparticles. BMC Oral Health 2024; 24:239. [PMID: 38355530 PMCID: PMC10868066 DOI: 10.1186/s12903-023-03798-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/18/2023] [Indexed: 02/16/2024] Open
Abstract
OBJECTIVES Assessment of the effect of incorporation of graphene oxide nanoparticles (GONPs), different concentrations into resin composite with different thicknesses on its color modulation. MATERIALS AND METHODS GONPs were prepared using the chemical reduction method and characterized using a transmission electron microscope and X-ray diffraction. The minimum concentrations of GONPs that provided the most effective antibacterial action (0.05 wt% and 0.2 wt%.) were prepared to be the concentration added to the tested resin composite. Calculations were done to find the required volume of the GONPs solution needed according to the mass of the resin composite. 70 nano-filled resin composite discs were prepared with 10 mm diameter × 3 mm height. 10 resin composite discs were prepared without GONPs incorporation and served as a control (G0). The other 60 resin composite specimens were divided into 2 equal groups (G1& G2) according to the concentration of the loaded nanoparticles in the specimens. Each group was divided into 3 equal subgroups according to the thickness of the resin composite containing GONPs; [T1: GONPs dispersed in the bottom 1 mm of the disc, while the top 2 mm of the disc was of resin composite only. T2: GONPs dispersed only in the bottom 2 mm of the disc and T3: GONPs dispersed in the total thickness of the disc (3 mm)]. ∆E values were calculated using a Vita Easy shade Spectrophotometer. RESULTS Incorporation of GONPs into resin composite induced significant color change and among all the 6 experimental groups, G1T1 group (of 0.05 wt% concentration GONPs dispersed only in the bottom 1 mm of the disc) showed a non-significant color change. CONCLUSION Dispersion of GONPs has a detectable effect on the color change of resin composite. Meanwhile, dispersion in low concentration for only the bottom 1 mm thickness of resin composite has an undetectable effect on its color.
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Affiliation(s)
- Heba Fathy
- Faculty of Dentistry, Modern University for Technology and Information (MTI), Cairo, 11571, Egypt
| | - Hassan Haroun
- Faculty of Dentistry, Modern University for Technology and Information (MTI), Cairo, 11571, Egypt
| | - Mona Riad
- Faculty of Dentistry, Cairo University, 11 El-Saraya St, Manial, Cairo, 11553, Egypt.
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Ji MK, Kim H, Jeong G, Kim WJ, Ryu JH, Cho H, Lim HP. Effects of TiO 2 Nanotubes and Reduced Graphene Oxide on Streptococcus mutans and Preosteoblastic Cells at an Early Stage. Int J Mol Sci 2024; 25:1351. [PMID: 38279351 PMCID: PMC10816206 DOI: 10.3390/ijms25021351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024] Open
Abstract
The effects of TiO2 nanotube (TNT) and reduced graphene oxide (rGO) deposition onto titanium, which is widely used in dental implants, on Streptococcus mutans (S. mutans) and preosteoblastic cells were evaluated. TNTs were formed through anodic oxidation on pure titanium, and rGO was deposited using an atmospheric plasma generator. The specimens used were divided into a control group of titanium specimens and three experimental groups: Group N (specimens with TNT formation), Group G (rGO-deposited specimens), and Group NG (specimens under rGO deposition after TNT formation). Adhesion of S. mutans to the surface was assessed after 24 h of culture using a crystal violet assay, while adhesion and proliferation of MC3T3-E1 cells, a mouse preosteoblastic cell line, were evaluated after 24 and 72 h through a water-soluble tetrazolium salt assay. TNT formation and rGO deposition on titanium decreased S. mutans adhesion (p < 0.05) and increased MC3T3-E1 cell adhesion and proliferation (p < 0.0083). In Group NG, S. mutans adhesion was the lowest (p < 0.05), while MC3T3-E1 cell proliferation was the highest (p < 0.0083). In this study, TNT formation and rGO deposition on a pure titanium surface inhibited the adhesion of S. mutans at an early stage and increased the initial adhesion and proliferation of preosteoblastic cells.
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Affiliation(s)
- Min-Kyung Ji
- Dental 4D Research Center, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hyeonji Kim
- Department of Prosthodontics, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Geonwoo Jeong
- Department of Materials Science & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Won-Jae Kim
- Department of Oral Physiology, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Je-Hwang Ryu
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hoonsung Cho
- Department of Materials Science & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
| | - Hyun-Pil Lim
- Dental 4D Research Center, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
- Department of Prosthodontics, School of Dentistry, Chonnam National University, 33 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea;
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