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Advancements in Dental Adhesives for Longevity of Resin-Bonded Restorations

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

Deadline for manuscript submissions: closed (20 May 2025) | Viewed by 1624

Special Issue Editor


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Guest Editor
Department of General Dental Sciences, Marquette University School of Dentistry, Milwaukee, WI, USA
Interests: dental adhesives; prevention of degradation of dentin collagen matrix by proteases; dentin/pulp complex regeneration; fiber reinforced composite restorations; Ion-releasing dental biomaterials; remineralization of tooth hard tissue
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Special Issue Information

Dear Colleagues,

Dental adhesives play a crucial role in modern restorative dentistry, particularly in resin-bonded restorations. However, challenges such as bonding durability, marginal integrity, and restoration longevity persist. Dentin/resin bonding is a critical aspect of restorative dentistry, and the hybrid layer plays a pivotal role in ensuring the longevity and effectiveness of adhesive restorations. However, bonding failures within the hybrid layer remain a significant challenge, compromising the durability and integrity of dental restorations. This Special Issue aims to explore innovative strategies, methodologies, and materials aimed at preventing dentin/resin bonding failure and enhancing the performance and longevity of adhesive restorations.

Scope: This Special Issue will encompass a comprehensive range of topics related to improving dental adhesives and the longevity of resin-bonded restorations, including, but not limited to, the following:

  1. Advances in polymer chemistry and material science for developing next-generation dental adhesives;
  2. Novel adhesive systems and bonding agents for enhanced bond strength and durability;
  3. Characterization techniques for evaluating the quality and integrity of the hybrid layer;
  4. Surface treatments and priming agents to enhance adhesion to tooth structure and restorative materials;
  5. Biomimetic approaches and bioactive materials for enhanced integration and longevity of restorations;
  6. Clinical studies and long-term evaluations of de-restorations;
  7. Novel strategies for specific clinical scenarios and challenging substrates.

Target Audience: This Special Issue is tailored toward researchers, clinicians, dental practitioners, materials scientists, and industry professionals involved in adhesive dentistry, dental materials science, biomaterials engineering, and restorative dentistry.

Dr. Roda Seseogullari-Dirihan
Guest Editor

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Keywords

  • dental adhesives
  • biomimetic
  • dentin
  • proteases
  • degradation
  • durability
  • debonding
  • bond strength
  • surface characterization

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Published Papers (2 papers)

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Research

11 pages, 888 KiB  
Article
Evaluation of Four Different Adhesive Systems’ Bonding Strength Between Superficial and Deep Dentin
by Dersim Gökce, Aslihan Usumez, Zelal Seyfioglu Polat and Emrah Ayna
Materials 2025, 18(13), 3107; https://doi.org/10.3390/ma18133107 - 1 Jul 2025
Viewed by 1
Abstract
The success of adhesive restorations largely depends on the optimal bond strength between the tooth structure and the restorative material. The aim of this study was to evaluate the shear bond strength (SBS) of four different adhesives applied to mandibular molars on deep [...] Read more.
The success of adhesive restorations largely depends on the optimal bond strength between the tooth structure and the restorative material. The aim of this study was to evaluate the shear bond strength (SBS) of four different adhesives applied to mandibular molars on deep and superficial dentin. The total of 56 teeth used in the study were randomly divided into 2 subgroups of superficial dentin and deep dentin participants (n = 28). Superficial and deep dentin groups were randomly divided into 4 subgroups (n = 7) for application with different adhesive agents. We formed the following groups: Group 1 (G1)—deep dentin and GC bonding agent (G-Premio BOND); Group 2 (G2)—superficial dentin and GC bonding agent; Group 3 (G3)—deep dentin and Clearfil S3 bond bonding agent (Clearfil TM S3 BOND); Group 4 (G4)—superficial dentin and Clearfil S3 bond bonding agent; Group 5 (G5)—deep dentin and KerrOptibond bonding agent (KerrOptibondTM Universal); Group 6 (G6)—superficial dentin and Kerr Optibond bonding agent; Group 7 (G7)—deep dentin and 3M-ESPE universal bonding agent (3M ESPE); Group 8 (G8)—superficial dentin and 3M-ESPE universal bonding agent. The silicone block with a diameter of 3 mm and a thickness of 1 mm was placed in the middle of the occlusal surface and the test composite was loaded. All prepared specimens were aged in thermal cycles at 5–55 °C for 5000 cycles. The teeth were subjected to SBS (shear bond strength) tests at a crosshead speed of 1 mm/min in a universal testing machine. In all adhesive systems, deep dentin showed a higher bond strength than superficial dentin and the bond strength value was statistically significant (p = 0.05). The bond strength in all tested adhesive systems was observed to be significantly higher in deep dentin than in superficial dentin. Full article
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12 pages, 4099 KiB  
Article
The Effect of the Initiator/Activator/Accelerator Ratio on the Degree of Conversion, Film Thickness, Flow, and Cytotoxicity of Dual-Cured Self-Adhesive Resin Cements
by Hyun Kyung Moon, Jong-Eun Won, Jae Jun Ryu and Ji Suk Shim
Materials 2024, 17(14), 3572; https://doi.org/10.3390/ma17143572 - 19 Jul 2024
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Abstract
Although self-adhesive resin cements are convenient and less technique-sensitive materials for dental clinicians, they exhibit a lower degree of conversion due to acidic components in their composition. Supplementation of the initiator, accelerator, and activator in self-adhesive resin cements has been suggested to compensate [...] Read more.
Although self-adhesive resin cements are convenient and less technique-sensitive materials for dental clinicians, they exhibit a lower degree of conversion due to acidic components in their composition. Supplementation of the initiator, accelerator, and activator in self-adhesive resin cements has been suggested to compensate for the lower degree of conversion. This study aimed to evaluate the effects of different combinations of self-curing initiators, self-curing activators, and accelerators on the degree of conversion (DC) of self-adhesive resin cements. A dual-cured self-adhesive resin was prepared using six combinations of initiators, activators, and accelerators. The change in the DC over time was evaluated with and without light curing. The film thickness, flow properties, and cytotoxicity of each formulation were assessed. The results showed that all supplemental components had an effect on increasing the DC, but a greater increase in the DC was observed in the following order: activator, accelerator, and initiator. The cytotoxicity of the resin cements was related to the DC values, as resin cements with lower DC values exhibited higher cytotoxicity. The film thickness met the ISO standards for all groups. The results suggest that utilizing an activator is the most effective approach to enhance the DC in self-adhesive resin cement and that cytotoxicity tended to increase with lower DC values, whereas film thickness and flow properties demonstrated no correlation with DC values. Full article
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