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Polymers
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Polymer-Based Materials in Dentistry II
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Polymer-Based Materials in Dentistry II

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (15 August 2021) | Viewed by 10222

Special Issue Editor

Prof. Dr. Wei-Jen Chang

E-Mail Website
Guest Editor
School of Dentistry, College of Oral Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110, Taiwan
Interests: dental implant; periodontics; bio-engineering and biomaterials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Further to the success of the Special Issue of Polymers “Polymer-Based Materials in Dentistry”, we are delighted to follow up with a new Special Issue, now entitled “Polymer-Based Materials in Dentistry II”.

Polymer composites have been used in dentistry for a long time, especially in restorative dentistry. Recently, polymer-based materials have received attention in dentistry for periodontal treatment, oromaxillofacial surgery, orthodontic treatment, and endodontic treatment. Polymer-based materials can be applied as filling materials, in advanced restoration, dental implants, regenerative therapy, and drug release devices. Polymer-based materials are playing major, important roles in contemporary dentistry and will continue to do so in the future. This Special Issue will focus on the recent developments, fabrication technologies, and applications of polymer-based materials in dentistry.

Prof. Dr. Wei-Jen Chang
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. Polymers is an international peer-reviewed open access semimonthly 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 2700 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

  • polymer-based material
  • restorative dentistry
  • regenerative therapy
  • 3D printing
  • digital workflow
  • endodontic treatment
  • dental implant

Related Special Issue

Published Papers (3 papers)

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Research

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11 pages, 1743 KiB  
Article
Color Stability and Staining Susceptibility of Direct Resin-Based Composites after Light-Activated In-Office Bleaching
by Pei-Wen Peng, Chiung-Fang Huang, Ching-Ying Hsu, Ann Chen, Ho-Him Ng, Man-Si Cheng, Shiang Tsay, Jia-Yi Lai, Tzu-Sen Yang and Wei-Fang Lee
Polymers 2021, 13(17), 2941; https://doi.org/10.3390/polym13172941 - 31 Aug 2021
Cited by 10 | Viewed by 2185
Abstract
This study evaluated color stability and staining susceptibility of five direct resin-based composites (RBCs) subjected to light-activated in-office bleaching with 40% hydrogen peroxide (HP). The test materials included 5 RBCs, which consisted of one nano-filled, one sub-micron, one bulk-filled, and two nano-hybrid RBC [...] Read more.
This study evaluated color stability and staining susceptibility of five direct resin-based composites (RBCs) subjected to light-activated in-office bleaching with 40% hydrogen peroxide (HP). The test materials included 5 RBCs, which consisted of one nano-filled, one sub-micron, one bulk-filled, and two nano-hybrid RBC types. Ten disc-shaped specimens of each RBC were fabricated and divided into bleaching (BLE) and non-bleaching (CON) groups (n = 5 for each group). Specimens were then immersed in red wine solution over 4 h. A spectrophotometer was used to obtain Commission Internationale de l’Eclairage (CIE) L*a*b* parameters for each of the following periods tested: before bleaching (TBA), after bleaching (TBL), and after staining (TST). Color stability and staining susceptibility were evaluated using two metrics, CIEDE2000 color differences (ΔE00) and whiteness variations using the whiteness index (ΔWID). Data were analyzed using repeated measures two-way analysis of variance (ANOVA) (α = 0.05). Statistically significant and clinically unaccepted ΔE00 and ΔWID were observed for all tested specimens between TBA and TBL. The nano-hybrid type RBCs showed the highest discoloration among materials after bleaching treatment. The BLE group exhibited significantly higher ΔE00 and ΔWID than the CON group for all the tested RBCs between TBA and TST. The sub-micron type RBC showed the highest discoloration among materials after immersion in the red wine. Conclusion. The light-activated in-office bleaching with 40% HP’s influences on color and whiteness index were material-dependent. The use of bleaching treatment also increased the susceptibility to red wine for all RBCs. Full article
(This article belongs to the Special Issue Polymer-Based Materials in Dentistry II)
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12 pages, 2671 KiB  
Article
Biofilm Formation on the Surface of (Poly)Ether-Ether-Ketone and In Vitro Antimicrobial Efficacy of Photodynamic Therapy on Peri-Implant Mucositis
by Tzu-Yu Peng, Dan-Jae Lin, Yuichi Mine, Chi-Yang Tasi, Po-Jung Li, Yin-Hwa Shih, Kuo-Chou Chiu, Tong-Hong Wang, Shih-Min Hsia and Tzong-Ming Shieh
Polymers 2021, 13(6), 940; https://doi.org/10.3390/polym13060940 - 18 Mar 2021
Cited by 17 | Viewed by 2930
Abstract
Poly-ether-ether-ketone (PEEK) is an aesthetically pleasing natural material with good biocompatibility and shock absorption characteristics. The application of PEEK as a dental implant or abutment is expected to reduce the risk of failure and enhance aesthetics. Given that approximately one in 15 patients [...] Read more.
Poly-ether-ether-ketone (PEEK) is an aesthetically pleasing natural material with good biocompatibility and shock absorption characteristics. The application of PEEK as a dental implant or abutment is expected to reduce the risk of failure and enhance aesthetics. Given that approximately one in 15 patients have allergic reactions to antibiotics, photodynamic therapy (PDT) has been gaining attention as an alternative treatment. Herein, the applicability of PEEK dental implants or abutments was investigated using material analyses, biofilm formation assay, and cell viability tests. The possible use of PDT for peri-implant mucositis was evaluated with the biofilm removal assay. The obtained data were analyzed based on the multivariate analysis of variance, paired t-tests, and the Pearson correlation coefficient (α = 0.05). The results revealed that PEEK was significantly less conducive to the formation of biofilms with S. mutans and A. actinomycetemcomitan (p < 0.001) but exhibited comparable MG-63 (human osteoblast-like) osteoblast cell viability (p > 0.05) to the other materials. PDT had similar antimicrobial efficacy and yielded similar biofilm removal effects to antibiotics. Altogether, these findings suggest that PEEK has attractive features and can serve as an alternative material for dental implants or abutments. In cases where peri-implant mucositis occurs, PDT can be used as an accessible therapeutic approach. Full article
(This article belongs to the Special Issue Polymer-Based Materials in Dentistry II)
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Review

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18 pages, 828 KiB  
Review
Rheological and Mechanical Properties of Resin-Based Materials Applied in Dental Restorations
by Xinyuan Zhang, Qi Zhang, Xin Meng, Yuting Ye, Daoshuo Feng, Jing Xue, Hanbing Wang, Haofei Huang, Ming Wang and Jing Wang
Polymers 2021, 13(17), 2975; https://doi.org/10.3390/polym13172975 - 1 Sep 2021
Cited by 17 | Viewed by 4402
Abstract
Resin-based materials have been prevalent for dental restorations over the past few decades and have been widely used for a variety of direct and indirect procedures. Typically, resin-based dental materials are required to be flowable or moldable before setting and can provide adequate [...] Read more.
Resin-based materials have been prevalent for dental restorations over the past few decades and have been widely used for a variety of direct and indirect procedures. Typically, resin-based dental materials are required to be flowable or moldable before setting and can provide adequate mechanical strength after setting. The setting method may include, but is not limited to, light-curing, self-curing or heating. In this review, based on different indications of resin-based dental materials (e.g., dental filling composite, dental bonding agent, resin luting cement), their rheological and mechanical properties were reviewed. Viscous and flexible properties were focused on for materials before setting, while elastic properties and mechanical strength were focused on for materials after setting. At the same time, the factors that may affect their rheological and mechanical properties were discussed. It is anticipated that the insightful information and prospections of this study will be useful to the future development and fabrication of resin-based dental restorative materials. Full article
(This article belongs to the Special Issue Polymer-Based Materials in Dentistry II)
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