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Unraveling the Properties of Tooth Adhesive Interfaces for the Benefit of the Longevity of Restorations

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (10 June 2023) | Viewed by 5958

Special Issue Editors

Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kitaku, Sapporo 060-8586, Japan
Interests: adhesion; adhesive materials; adhesive interfaces; developmental dental defects; resin composite materials; glass–ionomer cements; preventive dentistry; cariology
Department of Regenerative Dental Medicine, Graduate School of Biomedical Sciences, Tokushima University, 3-18-15, Kuramoto-cho, Tokushima 770-8503, Japan
Interests: adhesion; adhesive materials; adhesive interfaces; developmental dental defects; resin composite materials; biophotonics; ceramics; THz imaging; super-high-speed imaging
Department of Nursery and Stomatology, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Avenida de Atenas, s/n, 28922 Alarcon, Madrid, Spain
Interests: dental adhesion; dental materials; clinical trials; restorative dentistry
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Special Issue Information

Dear Colleagues,

Hoping to find that everyone is safe and in good health, we are delighted to invite you to submit a manuscript to our Special Issue on “Unraveling the Properties of Tooth Adhesive Interfaces for the Benefit of the Longevity of Restorations”. This issue is designed to reflect the latest scientific advances, technologies, techniques, and material developments in adhesive dentistry, focusing on the properties of the tooth–material interface. The deadline to submit papers for this Special Issue is November 20, 2022.

This peer-reviewed issue aims to provide an assessment of the state-of-the-art related to the comprehension of the characterization of adhesive interface properties that will lead to successful and durable restorations. The issue will be of interest to biomaterials researchers, operative–restorative scientists, interdisciplinary investigators, practitioners, the personnel of dental material companies, and dental educators.

The long-term use of adhesive materials in the oral cavity is associated with several issues concerning biological-chemical challenges (e.g., caries and erosion); intense mechanical stress leading to wear or fracture; biocompability; esthetics, etc. The adhesive interface is considered a weak link, and it is critical to the long-term durability of resin-based dental materials. Unraveling the mysteries and properties of adhesive interfaces could benefit the restorative treatment and oral health of patients.

Dr. Monica Yamauti
Prof. Dr. Keiichi Hosaka
Prof. Dr. Laura Ceballos
Guest Editors

Manuscript Submission Information

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Keywords

  • adhesive dentistry
  • resin composite
  • resin-based dental materials
  • adhesive systems
  • adhesive interface
  • resin–dentin interface
  • restoration durability
  • restoration longevity
  • properties
  • dental bonding

Published Papers (3 papers)

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12 pages, 4083 KiB  
Article
Long-Term In Vitro Adhesive Properties of Two Universal Adhesives to Dentin
by Ana Hurtado, Victoria Fuentes, María Cura, Aitana Tamayo and Laura Ceballos
Materials 2023, 16(9), 3458; https://doi.org/10.3390/ma16093458 - 28 Apr 2023
Cited by 6 | Viewed by 943
Abstract
The composition of universal adhesives, as well as the adhesive strategy, may influence bonding effectiveness and durability. This study aimed to evaluate the microtensile bond strength (µTBS) and nanoleakage (NL), immediately and after 6-month aging, and in situ degree of conversion (DC), of [...] Read more.
The composition of universal adhesives, as well as the adhesive strategy, may influence bonding effectiveness and durability. This study aimed to evaluate the microtensile bond strength (µTBS) and nanoleakage (NL), immediately and after 6-month aging, and in situ degree of conversion (DC), of two universal adhesives (Scotchbond Universal Adhesive, SBU; Xeno Select, XEN) applied with etch-and-rinse (ER) and self-etch (SE) strategies, in comparison with a two-step SE adhesive (Clearfil SE Bond, CSE). Dentin surfaces of fifty human third molars were randomly assigned to the following adhesives: two universal adhesives, SBU and XEN, applied in ER or SE mode and CSE, used as control. Teeth were sectioned into beams to be tested under µTBS, half of them after 24 h, and the rest after 6 months of water aging. Selected beams from each tooth were used for NL evaluation and in situ DC quantification. SBU and CSE showed significantly higher mean µTBS and lower nanoleakage than XEN, regardless of the evaluation time and adhesion strategy. XEN-SE yielded the lowest degree of conversion. Therefore, adhesive properties of universal adhesives to dentin are material dependent, regardless of the adhesion strategy, exhibiting XEN a significantly worse performance than SBU. Full article
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14 pages, 2144 KiB  
Article
Hydroxyapatite Affects the Physicochemical Properties of Contemporary One-Step Self-Etch Adhesives
by Yutaro Motoyama, Monica Yamauti, Masatoshi Nakajima, Masaomi Ikeda, Junji Tagami, Yasushi Shimada and Keiichi Hosaka
Materials 2022, 15(22), 8255; https://doi.org/10.3390/ma15228255 - 21 Nov 2022
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Abstract
The study aimed to evaluate the influence of the manipulation surfaces on the physical properties of one-step self-etch adhesives (1-SEAs). Scotchbond Universal (SBU), Clearfil Universal Bond Quick ER (UBQ), and an experimental adhesive (UBQexp) were manipulated on different surfaces: manufacturer’s Teflon-based [...] Read more.
The study aimed to evaluate the influence of the manipulation surfaces on the physical properties of one-step self-etch adhesives (1-SEAs). Scotchbond Universal (SBU), Clearfil Universal Bond Quick ER (UBQ), and an experimental adhesive (UBQexp) were manipulated on different surfaces: manufacturer’s Teflon-based dispensing dish (TD) or hydroxyapatite plate (HA). After manipulation of the adhesives, the pH of each 1-SEA was measured. Samples of each adhesive/manipulation surface were prepared and subjected to water sorption (WS)/solubility (SL) and flexural strength tests. The modulus of elasticity (E) was measured in dry and wet conditions before and after 24 h water storage, and the percentage of variation of E (ΔE) was calculated. Results were analyzed using the t-test with Bonferroni corrections (α = 0.05). When adhesives were manipulated on the HA plate, there was a significant increase in the adhesives’ pH. WS and SL of all 1-SEAs decreased when the HA was used. Only SBU showed higher flexural strength when manipulated on the HA compared to the manipulation on TD under dry and wet conditions. For each 1-SEA, the use of HA resulted in significantly higher E in dry and wet conditions. ΔE of all adhesives was smaller with the manipulation on HA than on TD. It was concluded that the manipulation of 1-SEA on a hydroxyapatite plate considerably affected the adhesives’ properties. Full article
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21 pages, 843 KiB  
Systematic Review
Impact of Irradiation on the Adhesive Performance of Resin-Based Dental Biomaterials: A Systematic Review of Laboratory Studies
by Florin Eggmann, Jonathan D. Hwang, Jose M. Ayub and Francis K. Mante
Materials 2023, 16(7), 2580; https://doi.org/10.3390/ma16072580 - 24 Mar 2023
Cited by 2 | Viewed by 1573
Abstract
Head and neck cancers are a significant global health burden, with radiation therapy being a frequently utilized treatment. The aim of this systematic review was to provide a critical appraisal of laboratory studies that assessed the effect of irradiation on the adhesive performance [...] Read more.
Head and neck cancers are a significant global health burden, with radiation therapy being a frequently utilized treatment. The aim of this systematic review was to provide a critical appraisal of laboratory studies that assessed the effect of irradiation on the adhesive performance of resin-based biomaterials. The analysis included 23 laboratory studies obtained from five databases, with most studies using human enamel, dentin, or both, and bonding procedures involving the fabrication of direct restorations, standardized specimens, bonding of orthodontic brackets, and luting of endodontic fiber posts. The protocols used for irradiation varied, with most studies exposing specimens made from extracted teeth to irradiation using cabinet irradiators to simulate treatment of head and neck cancer. The findings indicate that irradiation reduces the bond strength of dental adhesives and resin-based composites on flat, ground enamel and dentin specimens, with different adhesives and timing of irradiation having a significant impact on adhesive performance. Irradiation also increased microleakage in most studies. The effect of irradiation on marginal adaptation of direct resin-based composite restorations was inconclusive. This systematic review indicates that irradiation has detrimental effects on the adhesive performance of resin-based biomaterials and highlights the need for further clinical and laboratory studies evaluating the performance of adhesive materials and approaches to improve it. Full article
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