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J. Compos. Sci.
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Composites: Biomaterials in Dental Fields
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Composites: Biomaterials in Dental Fields

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Biocomposites".

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 9126

Special Issue Editor

Dr. Masao Irie

E-Mail Website
Guest Editor
Department of Biomaterials, Graduate School of Medicine, Dentistry and Pharmaceutical Science, Okayama University, Okayama 700-8525, Japan
Interests: biomaterial; resin composite; luting agents; core build-up materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Composite materials are widely used in the dental field in clinics as biomaterials. For example, they have been used as a biomaterial to repair caries and restore masticatory function, and as a cement to adhere the restoration to the tooth substrate. In order to demonstrate their function, dental biomaterials are measured by measuring their own mechanical strength, compatibility with the marginal adaptation as a tooth restoration material, and adhesion to tooth substrate using a bonding agent. From such basic research, we are studying the potential of dental biomaterials. We are studying composite materials, aiming at biomaterials that combine mechanical properties similar to those of the tooth, and chewing, thermal stimulation, and aesthetic elements in the oral cavity. In this volume, we introduce the situation of commercial products that commercialize composites suitable for such purpose, the current state of compatibility test for mechanical properties and tooth quality, and provide readers with composite materials used in clinical dentistry. I want to introduce “composite materials” in dental fields.

Dr. Masao Irie
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Composites Science is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Biomaterial
  • Dental composite
  • Application in dentistry
  • Microscopic analysis
  • Gap formation
  • Mechanical property

Published Papers (4 papers)

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Research

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11 pages, 247 KiB  
Communication
Flexural Property of a Composite Biomaterial in Three Applications
by Masao Irie, Yukinori Maruo, Goro Nishigawa and Takuya Matsumoto
J. Compos. Sci. 2021, 5(10), 282; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs5100282 - 18 Oct 2021
Cited by 2 | Viewed by 1366
Abstract
Resin composite is widely used in the dental field in clinics as a biomaterial. For example, it has been used as a composite material, a type of biomaterial, to repair caries and restore masticatory function, and as a luting agent to adhere the [...] Read more.
Resin composite is widely used in the dental field in clinics as a biomaterial. For example, it has been used as a composite material, a type of biomaterial, to repair caries and restore masticatory function, and as a luting agent to adhere the restoration to the tooth substrate. In order to demonstrate its function, we have measured the mechanical strength. From such basic research, we explain the potential of a dental material through the measurement of flexural strength and modulus of elasticity. In this research, we introduce commercial products that are actually used as composite materials suitable for tooth substrate and provide readers with their properties based on flexural strength and modulus of elasticity. In clinical performance, it might be advisable to delay polishing when a composite material is used for a luting material, a filling material and a core build-up material, as the flexural strength and the flexural modulus of elasticity were improved after 1 day of storage, and flexural strength and characteristics are considered as important mechanical properties of oral biomaterials. Full article
(This article belongs to the Special Issue Composites: Biomaterials in Dental Fields)
12 pages, 1050 KiB  
Article
Color Stability of CAD/CAM Interim Material for Long-Term Fixed Dental Prostheses vs. Conventional Materials after Immersion in Different Staining Solutions
by Lissethe Peñate, Montse Mercade, María Arregui, Miguel Roig, Juan Basilio and Rosario Cedeño
J. Compos. Sci. 2021, 5(4), 106; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs5040106 - 13 Apr 2021
Cited by 3 | Viewed by 2227
Abstract
The color stability of interim computer-aided design and computer-assisted manufacturing (CAD/CAM) materials has not been exhaustively investigated. The aim of this study was to compare the translucency (TP) and contrast ratio (CR) of CAD/CAM blocks and conventional interim materials, as well as the [...] Read more.
The color stability of interim computer-aided design and computer-assisted manufacturing (CAD/CAM) materials has not been exhaustively investigated. The aim of this study was to compare the translucency (TP) and contrast ratio (CR) of CAD/CAM blocks and conventional interim materials, as well as the effects of varnish application and tooth-brushing on color stability after immersion in different staining solutions. Four hundred and eighty specimens were fabricated with four different interim materials (n = 120) and were divided into three experimental, and one control group (n = 30). The color measurements were taken at the initial time (T0), 24 h (T1), 7 days (T2), and 30 days (T3) after immersion in different solutions. CIEDE2000 (ΔE00) values were analyzed with ANOVA and Fischer’s LSD test with a 95% confidence interval. The relationship between TP and CR was analyzed with a Pearson correlation. All interim materials showed a significant difference (p < 0.05) in color change after 30 days. Results showed that polyethyl methacrylate resins (PEMA) had the highest stability over time. The TP and CR were statistically significant (p < 0.05). It was observed that brushing improved the color stability but the ΔE00 were the highest when the varnish alone or varnish and brushing were used, except in the bis-acryl group, in which varnish and brushing decreased the color stainability. Full article
(This article belongs to the Special Issue Composites: Biomaterials in Dental Fields)
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9 pages, 285 KiB  
Article
Mechanical Characterization of Two Dental Restorative Materials after Acidic Challenge
by Ana Coelho, Anabela Paula, Inês Amaro, Carlos Miguel Marto, Nuno Costa, José Saraiva, Manuel Marques Ferreira, Pedro Antunes and Eunice Carrilho
J. Compos. Sci. 2021, 5(1), 31; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs5010031 - 16 Jan 2021
Cited by 3 | Viewed by 1866
Abstract
The aim of this study was to determine the effect of acidic beverages on the mechanical characteristics of a nanofilled composite resin and of a glass ionomer. Thirty specimens of each restorative material were produced and were evaluated at three different time points: [...] Read more.
The aim of this study was to determine the effect of acidic beverages on the mechanical characteristics of a nanofilled composite resin and of a glass ionomer. Thirty specimens of each restorative material were produced and were evaluated at three different time points: before immersion (T0), after a 7 day immersion (T1) and after a 14 day immersion (T2) in water, beer and a soft drink. The studied parameters were microhardness and surface roughness. At T2, composite resin and glass ionomer specimens immersed in water, beer and the soft drink showed a statistically significant decrease in microhardness compared to T0 results. The surface roughness of composite resin specimens decreased between T0 and T1/T2 after immersion in beer and soft drink. A statistically significant increase was found between the roughness of glass ionomer specimens immersed in each one of the beverages at T0 and T1/T2. It is essential that clinicians are aware not only of available restorative materials, its characteristics and best handling techniques but also of the importance of performing an adequate assessment of patients’ dietary habits, thus making it possible to offer patients quality treatments with a predictable prognosis and longevity. Full article
(This article belongs to the Special Issue Composites: Biomaterials in Dental Fields)

Other

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33 pages, 1253 KiB  
Systematic Review
Dental Bulk-Fill Resin Composites Polymerization Efficiency: A Systematic Review and Meta-Analysis
by Reem A. Ajaj, Nada J. Farsi, Lama Alzain, Nour Nuwaylati, Raneem Ghurab and Hani M. Nassar
J. Compos. Sci. 2021, 5(6), 149; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs5060149 - 02 Jun 2021
Cited by 8 | Viewed by 2879
Abstract
Dental Bulk-Fill Composites (BFCs) and Bulk-Fill Flowables (BFFs) were introduced in the market to facilitate efficient bulk filling of cavities up to 5 mm. The aim of this study was to synthesize the literature investigating their polymerization efficiency. A comprehensive search of PubMed [...] Read more.
Dental Bulk-Fill Composites (BFCs) and Bulk-Fill Flowables (BFFs) were introduced in the market to facilitate efficient bulk filling of cavities up to 5 mm. The aim of this study was to synthesize the literature investigating their polymerization efficiency. A comprehensive search of PubMed and the Cochrane Library from 2010 to January 2019 was performed using the medical subject headings. Screening of the titles, abstracts and full text was performed. Data extraction for relevant information was done on the included studies. Clinically relevant parameters were selected to present the study estimates (meta-analysis) using a random effects model for polymerization efficiency (Degree of Conversion (DC) and Depth of Cure (DoC)). Twenty one studies fulfilled the inclusion criteria and were included in the analysis reporting seven BFCs and nine BFFs. Ten materials reported acceptable DC values of above 55% and ten materials reported adequate DoC values. Most of the stated materials reported adequate DC and DoC values in at least one investigation with BFFs showing higher and more acceptable values compared to packable BFCs. It is suggested that future studies be carried out using a standard methodology following the ISO 4049 standard and manufacturer’s instructions to compare results. Full article
(This article belongs to the Special Issue Composites: Biomaterials in Dental Fields)
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