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Special Issue "Dental Biomaterials 2017"

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: 30 November 2017

Special Issue Editor

Guest Editor
Prof. Dr. Laurence J Walsh

School of Dentistry, University of Queensland, Brisbane, Australia
Website | E-Mail
Interests: applications of advanced dental biomaterials and physical technologies (such as lasers) to improve clinical practice; biomaterials; biophotonics; materials sciences; clinical microbiology

Special Issue Information

Dear Colleagues,

There is growing interest in the use of alkaline dental materials, which are able to improve clinical outcomes in dentistry and which go beyond the concept of a simple dental material, which fills a space in a tooth or lines a cavity. These biologically-active materials are in the form of alkaline fluids, pastes and dental cements. This Special Issue on biomaterials used in dentistry focuses on alkaline materials used in endodontics and restorative dentistry, which can induce hard tissue formation and exert antimicrobial actions.

Prof. Dr. Laurence J Walsh
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. Materials 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 1500 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

  • bioceramics
  • mineral trioxide aggregate
  • calcium silicates

Published Papers (4 papers)

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Research

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Open AccessArticle Comparison of the Percentage of Voids in the Canal Filling of a Calcium Silicate-Based Sealer and Gutta Percha Cones Using Two Obturation Techniques
Materials 2017, 10(10), 1170; doi:10.3390/ma10101170
Received: 12 September 2017 / Revised: 30 September 2017 / Accepted: 11 October 2017 / Published: 12 October 2017
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Abstract
This study evaluated the root-filling quality of a calcium silicate-based sealer and gutta percha (GP) cones by measuring the percentage of voids. Twenty artificial molar teeth were divided into two groups: one obturated using the single-cone (SC) technique, and the other using the
[...] Read more.
This study evaluated the root-filling quality of a calcium silicate-based sealer and gutta percha (GP) cones by measuring the percentage of voids. Twenty artificial molar teeth were divided into two groups: one obturated using the single-cone (SC) technique, and the other using the continuous wave (CW) technique. Obturation was performed with GP cones and Endoseal MTA (mineral trioxide aggregate, Maruchi, Wonju, Korea). Obturated teeth were scanned using microcomputed tomography, and the percentage of void volume was calculated in the apical and coronal areas. A linear mixed model was used to determine the differences between the two techniques (p < 0.05). The percentage of voids between the filling materials and root canal walls was not significantly different between the two obturation methods (p > 0.05), except for the CW group, which demonstrated a significantly higher void volume in the coronal area of the distal canal (p < 0.05). The percentage of voids inside the filling material was significantly higher in the CW groups for all of the comparisons (p < 0.05), except in the apical area of the distal canal (p > 0.05). The voids between the filling material and canal wall in the apical area were not significantly different between the two techniques. Full article
(This article belongs to the Special Issue Dental Biomaterials 2017)
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Open AccessArticle The Efficacy of Electron Beam Irradiated Bacterial Cellulose Membranes as Compared with Collagen Membranes on Guided Bone Regeneration in Peri-Implant Bone Defects
Materials 2017, 10(9), 1018; doi:10.3390/ma10091018
Received: 24 July 2017 / Revised: 16 August 2017 / Accepted: 22 August 2017 / Published: 1 September 2017
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Abstract
Bacterial cellulose (BC) is a natural polysaccharide produced by some bacteria, and consists of a linear polymer linked by β-(1,4) glycosidic bonds. BC has been developed as a material for tissue regeneration purposes. This study was conducted to evaluate the efficacy of resorbable
[...] Read more.
Bacterial cellulose (BC) is a natural polysaccharide produced by some bacteria, and consists of a linear polymer linked by β-(1,4) glycosidic bonds. BC has been developed as a material for tissue regeneration purposes. This study was conducted to evaluate the efficacy of resorbable electron beam irradiated BC membranes (EI-BCMs) for guided bone regeneration (GBR). The electron beam irradiation (EI) was introduced to control the biodegradability of BC for dental applications. EI-BCMs had higher porosity than collagen membranes (CMs), and had similar wet tensile strengths to CMs. NIH3T3 cell adhesion and proliferation on EI-BCMs were not significantly different from those on CMs (p > 0.05). Micro-computed tomography (μCT) and histometric analysis in peri-implant dehiscence defects of beagle dogs showed that EI-BCMs were non-significantly different from CMs in terms of new bone area (NBA; %), remaining bone substitute volume (RBA; %) and bone-to-implant contact (BIC; %) (p > 0.05). These results suggest resorbable EI-BCMs can be used as an alternative biomaterial for bone tissue regeneration. Full article
(This article belongs to the Special Issue Dental Biomaterials 2017)
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Review

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Open AccessReview Alkaline Sodium Hypochlorite Irrigant and Its Chemical Interactions
Materials 2017, 10(10), 1147; doi:10.3390/ma10101147
Received: 5 September 2017 / Revised: 23 September 2017 / Accepted: 24 September 2017 / Published: 29 September 2017
PDF Full-text (221 KB) | HTML Full-text | XML Full-text
Abstract
Endodontic irrigating solutions may interact chemically with one another. This is important, because even when solutions are not admixed, they will come into contact with one another during an alternating irrigation technique, forming unwanted by-products, which may be toxic or irritant. Mixing or
[...] Read more.
Endodontic irrigating solutions may interact chemically with one another. This is important, because even when solutions are not admixed, they will come into contact with one another during an alternating irrigation technique, forming unwanted by-products, which may be toxic or irritant. Mixing or alternating irrigants can also reduce their ability to clean and disinfect the root canal system of teeth by changing their chemical structure with subsequent loss of the active agent, or by inducing precipitate formation in the root canal system. Precipitates occlude dental tubules, resulting in less penetration of antimicrobials and a loss of disinfection efficacy. Sodium hypochlorite is not only a very reactive oxidizing agent, but is also the most commonly used endodontic irrigant. As such, many interactions occurring between it and other irrigants, chelators and other antimicrobials, may occur. Of particular interest is the interaction between sodium hypochlorite and the chelators EDTA, citric acid and etidronate and between sodium hypochlorite and the antimicrobials chlorhexidine, alexidine, MTAD and octenisept. Full article
(This article belongs to the Special Issue Dental Biomaterials 2017)

Other

Jump to: Research, Review

Open AccessCase Report Treatment of Severely Resorbed Maxilla Due to Peri-Implantitis by Guided Bone Regeneration Using a Customized Allogenic Bone Block: A Case Report
Materials 2017, 10(10), 1213; doi:10.3390/ma10101213 (registering DOI)
Received: 4 October 2017 / Revised: 18 October 2017 / Accepted: 19 October 2017 / Published: 21 October 2017
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Abstract
The objective of this case report is to introduce a customized CAD/CAM freeze-dried bone allograft (FDBA) block for its use in Guided Bone Regeneration (GBR) procedures for severely deficient maxillary bones. Additionally, a special newly developed remote incision technique is presented to avoid
[...] Read more.
The objective of this case report is to introduce a customized CAD/CAM freeze-dried bone allograft (FDBA) block for its use in Guided Bone Regeneration (GBR) procedures for severely deficient maxillary bones. Additionally, a special newly developed remote incision technique is presented to avoid wound dehiscence. The results show optimal integration behavior of the FDBA block after six months and the formation of new vital bone. Thus, the results of the present case report confirm the use of the customized CAD/CAM bone block for augmentation of complex defects in the maxillary aesthetic zone as a successful treatment concept. Full article
(This article belongs to the Special Issue Dental Biomaterials 2017)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Hydroxyl Ion Diffusion through Radicular Dentine with Different Formulations of Calcium Hydroxide
Authors:
Paul V. Abbott et al.

Title: pH Changes in Radicular Dentine Associated with Calcium Hydroxide and Corticosteroid:Antibiotic Pastes
Authors:
Paul V. Abbott et al.

Title: Hydroxyl ion effects that penetrate teeth
Authors: YY Teoh et al.

Title: Alkaline solvent and material technologies
Authors: B Athanassiadis et al.

Title: Detection and radiographic properties of alkaline materials
Authors: H Benoit et al.

Article Type: Review
Title: Mineral Trioxide Aggregate–A review of properties and testing methodologies
Authors: William Ha et al.
Abstract: Mineral trioxide aggregate (MTA) restoratives and MTA sealers are commonly used in endodontics. Commonly referenced standards for testing of MTA are ISO 6876, 9917-1 and 10993. A PubMed search was performed relating to the relevant tests within each ISO and “mineral trioxide aggregate”. MTA restoratives are typically tested with a mixture of tests from multiple standards. As the setting of MTA is dependent upon hydration, the results of various MTA restoratives and sealers are dependent upon the curing methodology. This includes physical properties after mixing, physical properties after setting and biocompatibility. The tests of flow, film thickness, working time and setting time can be superseded by rheology as it details how MTA hydrates. Physical property tests should replicate physiological conditions, i.e. 37°C and submerged in a physiological solution. Biocompatibility tests should involve immediate placement of samples immediately after mixing rather than being cured prior to placement as this does not replicate clinical usage. Biocompatibility tests should seek to replicate physiological conditions with MTA tested immediately after mixing.

Title: Alkaline material effects on roots of teeth
Authors: S Shetty et al.

Title: Alkaline cements and pulp regeneration
Authors: W Kahler et al.

Title: Activation of alkaline irrigation fluids in endodontics
Authors: Roy George, Laurence Walsh

Title: Comparison of the Percentage of Voids in Canal Filling of a Calcium Silicate-based Sealer and Gutta Percha Cones Using Two Obturation Techniques
Authors: Sohee Kim, Sunil Kim, Jeong-Won Park, Il-Young Jung and Su-Jung Shin
Abstract: This study aimed to evaluate the root-filling quality of a calcium silicate-based sealer and gutta percha cones by measuring, using microcomputed tomography (micro-CT), the percentage of voids when the single-cone (SC) or continuous wave (CW) technique was used for filling artificial molar root canals. Twenty artificial molar teeth were instrumented using ProTaper Next files (Dentsply Maillefer, Ballaigues, Switzerland). The specimens were randomly divided into two groups: one was obturated using the SC technique, and the other group was obturated using the CW technique. Obturation was performed with gutta percha cones and Endoseal MTA (Maruchi, Wonju, Korea). Obturated teeth were scanned using micro-CT, and the percentage of void volume between the filling materials and root canal walls was calculated in the apical and coronal areas. A linear mixed model (covariance pattern, UN) was used to determine differences between the two techniques (p < 0.05). The percentage of voids between the filling materials and root canal walls was not significantly different between the two obturation methods (p > 0.05), except the CW group, which demonstrated a significantly higher void volume in the coronal area of the distal canal (p < 0.05). The percentage of voids inside the filling material was significantly higher in the CW groups for all comparisons (p < 0.05), except in the apical area of the distal canal (p > 0.05). The voids between the filling material and root canal wall in the apical area were not significantly different between the two obturation techniques.
Keywords: canal filling; endoseal MTA sealer; microcomputed tomography; sealing; single cone

Title: Histologic evaluation of the reasons for non-healing of the periradicular tissues with mineral trioxide aggregate
Authors: Andreas Bartols et al.

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