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Nanomaterials
Special Issues
Biocompatible Dental Nanomaterials: State of the Art and Perspectives
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Biocompatible Dental Nanomaterials: State of the Art and Perspectives

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Biology and Medicines".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 4894

Special Issue Editors

Dr. Paolo Capparè

E-Mail Website
Guest Editor
Department of Medicine and Surgery, University of Vita-Salute San Raffaele, Via Olgettina, 58, 20132 Milan, Italy
Interests: oral surgery; dental implantology; digital dentistry
Special Issues, Collections and Topics in MDPI journals
Dr. Giulia Teté

E-Mail Website
Guest Editor
Department of Dentistry, IRCCS San Raffaele Hospital, Dental School, Vita-Salute San Raffaele University, 20132 Milan, Italy
Interests: biomaterials; stem cells; dental implants; periodontal and oral hygiene; systemic disease
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Given the COVID-19 pandemic, this historical moment calls for reflection in the field of dentistry.

All procedures must be effective and safe, especially for patients who are considered phenotypically “fragile”. One method to reduce the risk of contamination by pathogens during procedures is to adopt technological innovations that make procedures minimally invasive. Indeed, minimally invasive technology will be a keyword of the future. Our Special Issue not only deals with minimally invasive surgery, but includes all those nanomaterials that guarantee minimally invasive treatment. This includes the latest generation of scaffolds made of state-of-the-art biocompatible nanomaterials, the use of scanners in prosthetics and digital orthodontics, digital periodontal records, second-level X-ray examinations, the latest generation of powders used as an aid in dental hygiene sessions, and artificial intelligence or decision-support systems to ensure an objective, unbiased diagnosis.

Dr. Paolo Capparè
Dr. Giulia Teté
Guest Editors

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. Nanomaterials 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 2900 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

  • dental implant
  • periodontal tissue and oral hygiene
  • biomaterials
  • nanomaterials
  • prosthodontics
  • digital dentistry
  • stem cells
  • systemic disease and consequences in oral cavity
  • minimally invasive treatment.

Published Papers (2 papers)

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Research

18 pages, 14678 KiB  
Article
In Vivo Evaluation of the Effects of Sintering Temperature on the Optical Properties of Dental Glass-Ceramics
by Kuo-Cheng Fan, Yu-Ling Lin, Hao-Wei Tsao, Hsuan Chen, Sheng-Yang Lee, Yu-Chen Cheng, Hsiao-Ping Huang and Wei-Chun Lin
Nanomaterials 2022, 12(13), 2187; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12132187 - 25 Jun 2022
Cited by 7 | Viewed by 2203
Abstract
In prosthodontics, the ability of glass-ceramics to express the optical properties of natural teeth is an important goal of esthetic restorations. Dental restorations do not merely need to be similar in color to natural teeth; proper optical properties, such as opalescence, transparency, etc., [...] Read more.
In prosthodontics, the ability of glass-ceramics to express the optical properties of natural teeth is an important goal of esthetic restorations. Dental restorations do not merely need to be similar in color to natural teeth; proper optical properties, such as opalescence, transparency, etc., must be combined in order to achieve excellent esthetic effects. The optical properties of ceramic materials are mainly distinguished by different hues (e.g., A, B, C, and D) combined with translucency (e.g., high translucency (HT), medium translucency (MT), low translucency (LT), and medium opacity (MO)). However, there are many varieties of tooth color. Therefore, it is expected that glass-ceramics can change their nanocrystal size and porosity through different heat-treatment temperatures and times and, thereby, present different transparency effects. This study mainly analyzed the influence of changes in sintering temperature on the optical properties of glass-ceramics. The optical properties of glass-ceramics in the oral cavity were evaluated with human trials. We hypothesized that (1) the transparency of glass-ceramics can be changed by controlling the sintering temperature and (2) glass-ceramics modified by the sintering temperature can be suitable for clinical applications. Results showed that the transparency decreased, the nanoparticle size increased, the crystallinity increased, and the surface hardness decreased as the sintering temperature increased. High-brightness glass-ceramics have more-sensitive optical properties. Results of clinical trials showed that glass-ceramics whose transparency was changed by controlling the sintering temperature can be candidates for clinical applications. Based on the above results, the hypotheses of this study were supported. In the future, we will continue to explore the esthetic field of dental restorations. Full article
(This article belongs to the Special Issue Biocompatible Dental Nanomaterials: State of the Art and Perspectives)
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13 pages, 936 KiB  
Article
Behaviour of PMMA Resin Composites Incorporated with Nanoparticles or Fibre following Prolonged Water Storage
by Abdulaziz Alhotan, Julian Yates, Saleh Zidan, Julfikar Haider, Carlos Alberto Jurado and Nikolaos Silikas
Nanomaterials 2021, 11(12), 3453; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11123453 - 20 Dec 2021
Cited by 1 | Viewed by 3076
Abstract
When PMMA denture base acrylics are exposed to oral environments for prolonged periods, the denture base absorbs water, which has a negative influence on the denture material and the degree to which the denture base will be clinically effective. This study assessed the [...] Read more.
When PMMA denture base acrylics are exposed to oral environments for prolonged periods, the denture base absorbs water, which has a negative influence on the denture material and the degree to which the denture base will be clinically effective. This study assessed the water sorption, desorption, and hygroscopic expansion processes within PMMA denture-base resins reinforced with nanoparticles or fibre in comparison to the non-reinforced PMMA. The surfaces of the fillers were modified using a silane coupling agent (y-MPS) before mixing with PMMA. Group C consisted of specimens of pure PMMA whereas groups Z, T, and E consisted of PMMA specimens reinforced with ZrO2, TiO2 nanoparticles, or E-glass fibre, respectively. The reinforced groups were subdivided into four subgroups according to the percentage filler added to the PMMA resin by weight (1.5%, 3.0%, 5.0%, or 7.0%). Five specimens in disc shape (25 ± 1 mm × 2.0 ± 0.2 mm) were tested for each group. To assess water sorption and hygroscopic expansion, specimens from each group were individually immersed in water at 37 ± 1 °C for 180 days. The samples were then desorbed for 28 days at 37 ± 1 °C, to measure solubility. Water sorption and solubility were calculated using an electronic balance in accordance with ISO Standard 20795-1, and hygroscopic expansion was measured using a laser micrometre. Statistical analysis was undertaken at a p ≤ 0.05 significance level using a one-way ANOVA followed by Tukey post-hoc tests. The results demonstrated that the values of sorption (Wsp), mass sorption (Ms%), and % expansion within the tested groups reached equilibrium within 180 days. A noticeable difference was observed in groups Z and E for (Wsp)/(Ms%) compared to the Group C, but this was not significant. However, the difference between Group C and Group T for these measurements was significant. Non-significant differences also existed between each respective reinforced group and the control group in terms of hygroscopic expansion % values. During the 28-day desorption period, there were no differences in the values of solubility (Wsl)/mass desorption (Md%) between Group C and each of the reinforced tested groups. The findings indicate that the inclusion of ZrO2 nanoparticles or E-glass fibres does not increase the water solubility/sorption of the PMMA. However, modifying the PMMA with TiO2 did significantly increase the water sorption level. Full article
(This article belongs to the Special Issue Biocompatible Dental Nanomaterials: State of the Art and Perspectives)
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