Special Issue "Dental Materials"

A special issue of Dentistry Journal (ISSN 2304-6767).

Deadline for manuscript submissions: closed (31 October 2017)

Special Issue Editor

Guest Editor
Dr. Marco Salerno

IIT – Italian Institute of Technology, Nanophysics Department, 16163 Genova Italy
Website | E-Mail
Interests: dental materials; atomic force microscopy; anodic porous alumina; composites; nanoindentation; surface treatment of dental implants; nanoporous oxides of valve metals

Special Issue Information

Dear Colleagues,

The practice of dentistry depends completely on the properties and behavior of its specialized materials and processes. Advances in materials science, test methods, and characterization are at the heart of progress in most areas: Restorative dentistry uses resin composites and cements, such as glass ionomer; implantology is based on titanium and its alloys; other restorations use metals and a variety of ceramics from porcelain to CAD-CAM zirconia; orthodontics relies on the mechanics of metals; elastomers are used for impressions, in which models are cast in gypsum; and a wide variety of cutters and abrasives are used for shaping, finishing and oral hygiene. The list is very long.

After mechanical and physical properties, biocompatibility can be crucial, while appearance (i.e., optical properties, such as translucency) has become important for ‘invisible repair’. Characterization is, therefore, essential, whether in the laboratory (static or accelerated ageing tests), in vitro tests for biocompatibility, and in vivo clinical trials. All this requires all available techniques to bring to bear: physical—whether mechanical, optical or chemical; numerical—statistical and FEM modeling; theoretical—fluid dynamics, molecular modeling; as well as observational—all the various spectroscopies, SEM. The scope for study is vast.

Dentistry relies directly on the full gamut of materials on a day to day basis (with perhaps as the sole exception superconductors)—a wider range than in any other profession, yet the observations of clinicians are key to putting into practice innovations, whether, for example, in nanostructured materials, osteointegration of implants, or more sophisticated restorative devices. 

Given this breadth and complexity, and thus the great importance of materials research to dentistry, it is our pleasure to invite authors from any discipline, whether physicists, chemists, materials scientists, dentists, dental technicians, biologists or medical doctors, to submit manuscripts for this Special Issue on “Dental Materials”.  Full papers, communications, opinion pieces, and especially critical ‘state-of-the-art’ reviews, are all welcome, the sole essential connection being materials science applied in, to or for dentistry.

Please notice that, in order to have the highest printed standard for the Special Issue, all the experimental data should be presented (including pre-test failures) and the main data should be accompanied with ANOVA tables in full. Experimental work without theoretical context (discussion and comparison with known concepts of chemistry and/or physics) will not be accepted. For the plots, scatter diagrams would be preferred over bar charts. No cartoons will be accepted, and all assertions should be referenced. The manuscripts should present a strict separation according to the following sections: Introduction, Experimental Section, Results, Discussion, and Conclusions. The latter must be real bullet-point conclusions, and not just a summary of the work. Finally, even though open to innovations in the field, the Editors will favor honest assessment over optimistic hype, and realism over wishful thinking.

Independent copy-editing for all non-native English speakers is also encouraged, to save reviewers time and give authors the best chance of success.

Dr. Marco Salerno
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 papers will be 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. Dentistry Journal is an international peer-reviewed open access quarterly 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 350 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

  • polymers
  • composites
  • ceramics
  • cements
  • metals
  • alloys
  • elastomers
  • abrasivess
  • solid mechanics
  • fluid mechanics
  • characterization methods
  • engineering design
  • CAD
  • numerical methods
  • physical properties
  • chemical properties
  • mechanical properties
  • rheology
  • chemical composition
  • structure
  • ageing
  • fatigue
  • nanotechnology in dentistry
  • surface science
  • biocompatibility
  • fillings
  • dental prostheses
  • scaffold materials
  • adhesives, bioactivity
  • natural dental tissues

Published Papers (2 papers)

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Research

Open AccessArticle Polishing of Monolithic Zirconia Crowns—Results of Different Dental Practitioner Groups
Dent. J. 2017, 5(4), 30; doi:10.3390/dj5040030
Received: 28 August 2017 / Revised: 30 October 2017 / Accepted: 31 October 2017 / Published: 14 November 2017
PDF Full-text (479 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
This pilot study evaluates the surface roughness of monolithic zirconia crowns after chairside polishing by different dental practitioner groups. Four practitioner groups (group I: dental clinical students (n = 6); group II: dentists < 2 years post-qualification experience (n = 6);
[...] Read more.
This pilot study evaluates the surface roughness of monolithic zirconia crowns after chairside polishing by different dental practitioner groups. Four practitioner groups (group I: dental clinical students (n = 6); group II: dentists < 2 years post-qualification experience (n = 6); group III: dentists > 2 years post-qualification experience (n = 6) and group IV: dental technicians (n = 6)) were asked to polish two CAD/CAM-fabricated full-contour zirconia crowns (48 in total). A two-step zirconia polishing kit was used in both trials. The first trial (T1) was conducted without a time limitation. In the second trial (T2), the polish was restricted to 15 seconds for each polisher. Two blinded investigators (I1 and I2) analyzed the surface roughness (Ra) before and after polishing (Alicona measuring system). No statistically significant difference in surface roughness was found between the polishing results of the dental practitioner groups. Major difference in surface finish was achieved by dental technicians, with a median value of 25.4 nm (interquartile range 10.15–35.26 nm) for I1 in T1. The lowest difference was achieved by dental students, with a median value of Ra = 6.72 nm (interquartile range 4.7–17.9 nm) in T1. In T2, experienced dentists showed the highest difference in surface finish, with a median value of 41.35 nm (interquartile range 7.77–54.11). No significant correlation was found between polishing time and polishing results. The polishing of monolithic zirconium dioxide crowns can be performed with the present polishing set directly chairside after occlusal adjustment, regardless of the practitioner’s experience level. Full article
(This article belongs to the Special Issue Dental Materials)
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Open AccessArticle Effect of Sulfur-Containing Primers for Noble Metals on the Bond Strength of Self-Cured Acrylic Resin
Dent. J. 2017, 5(2), 22; doi:10.3390/dj5020022
Received: 5 April 2017 / Revised: 8 June 2017 / Accepted: 15 June 2017 / Published: 20 June 2017
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Abstract
This study investigated the effect of sulfur-containing primers for noble metals on the shear bond strength of self-cured acrylic resin after thermal cycling (TC). Four pure metals (Au, Ag, Cu, and Pd) and type IV Au alloy were either untreated, or treated with
[...] Read more.
This study investigated the effect of sulfur-containing primers for noble metals on the shear bond strength of self-cured acrylic resin after thermal cycling (TC). Four pure metals (Au, Ag, Cu, and Pd) and type IV Au alloy were either untreated, or treated with one of the five sulfur-containing metal primers (V-Primer, Metaltite, Alloy Primer, Metal Link Primer, and Metal Primer Z). Afterwards, a brass ring was placed on the metal surface and filled with self-cured acrylic resin (n = 10). The bond strengths were measured after 24 h (TC0) and after 2000 thermal cycles at 4–60 °C (TC2000). Three-way ANOVA and Tukey compromise post hoc tests were used to analyze the data (α = 0.05). All of the sulfur-containing primers significantly improved the resin bond strength as compared to that of the non-primed group at TC0 regardless of the metal type (p < 0.05). However, at TC2000, the bond strengths between the resin and the five metals significantly decreased with respect to the values obtained at TC0 regardless of the primer (p < 0.05). The sulfur-containing metal primers, except for Metal Link Primer, were found to be more effective for improving the bond strength between the self-cured acrylic resin and Ag as compared to the other three pure metals (p < 0.05). The bond strengths between the resin and Au and type IV Au alloy at TC2000 were the highest ones when Metal Primer Z was used. Full article
(This article belongs to the Special Issue Dental Materials)
Figures

Figure 1

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