Recent Advances in Dental Biomaterials

A special issue of Journal of Functional Biomaterials (ISSN 2079-4983). This special issue belongs to the section "Dental Biomaterials".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 10120

Special Issue Editors


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Guest Editor
Department of Oral Surgery, School of Dental Medicine, University Hospital Center, University of Zagreb, 10000 Zagreb, Croatia
Interests: oral surgery; dental implantology; bone augmentation; autologous growth factors; laser
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E-Mail Website
Guest Editor
Department of Oral Surgery, School of Dental Medicine, University Hospital Center, University of Zagreb, 10000 Zagreb, Croatia
Interests: oral surgery; dental implantology; bone augmentation; bone substitutes; biomaterials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Prosthodontics, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
Interests: restorative dental materials; polymers; bioactive materials; ceramics; nanotechnology

Special Issue Information

Dear Colleagues,

In recent years, a significant evolution has taken place in the clinical application of dental materials. From restorative and endodontic measures to bioactive materials that induce tissue repair and regeneration, compensating for a lack of hard dental tissue, principles and guidelines of treatment can be modified due to their wide indication areas and the diversity of their application in various specialist branches of dental medicine. Due to their biological safety, inductive biological effect, and wide indicative range of application, bioactive dental materials physiologically replace damaged tooth structures, induce the regeneration of periapical inflammatory lesions, and promote revascularization and tissue revitalization. Bone substitutes, used to fill defects after surgery or trauma, provide mechanical support and can induce bone healing. Filling these defects with bone substitute material prevents the resorption of bone, preserves the alveolar ridge, and provides sufficient bone for immediate or subsequent implant placement. A variety of bone substitutes are available which differ in origin, consistency, particle size, porosity, and resorption characteristics. When dental implants are placed in the jawbone, they are intended to fuse together and become part of the environment. They act like a natural tooth root and stimulate the jawbone. Many dental implant materials have been developed using bio-ceramics, metals, alloys and hydroxyapatite. Today, novel technologies such as subtractive or additive techniques allow the production of controlled architecture materials. In recent decades, hyaluronic acid was widely used in bone regeneration; this is currently a popular topic, particularly in the craniofacial and dental fields. It is competent material, and shows promise in bone regeneration. Modern dental practice is highly reliant on the selection of appropriate materials for optimum function and benefit to the patient. Dentistry, perhaps, has the unique distinction of using a wide variety of materials, ranging from polymers, metals, ceramics, and inorganic salts to composite materials.

Dr. Dragana Gabrić
Dr. Marko Vuletić
Dr. Ivica Pelivan
Guest Editors

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Keywords

  • bone substitutes
  • restorative materials
  • biomaterials
  • hyaluronic acid
  • modern ceramics
  • polymers

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Published Papers (3 papers)

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Research

15 pages, 5671 KiB  
Article
Reconstructive Peri-Implantitis Therapy by Using Bovine Bone Substitute with or without Hyaluronic Acid: A Randomized Clinical Controlled Pilot Study
by Dragana Rakašević, Miodrag Šćepanović, Iva Mijailović, Tijana Mišić, Bojan Janjić, Ivan Soldatović and Aleksa Marković
J. Funct. Biomater. 2023, 14(3), 149; https://doi.org/10.3390/jfb14030149 - 8 Mar 2023
Cited by 8 | Viewed by 2208
Abstract
Background: The present pilot study aimed to assess clinical and radiographic efficiencies of bovine bone substitute (BBS) merged with hyaluronic acid (HA) in peri-implantits reconstructive surgery. Methods: Peri-implantitis (diagnosed 6.03 ± 1.61 years of implant loading) bone defects were randomly treated either with [...] Read more.
Background: The present pilot study aimed to assess clinical and radiographic efficiencies of bovine bone substitute (BBS) merged with hyaluronic acid (HA) in peri-implantits reconstructive surgery. Methods: Peri-implantitis (diagnosed 6.03 ± 1.61 years of implant loading) bone defects were randomly treated either with BBS plus HA (test group) or BBS alone (control group). Clinical parameters including peri-implant probing depth (PPD), bleeding on probing (BOP), implant stability (ISQ), and radiographic changes in vertical and horizontal marginal bone (MB) levels were assessed at six months postoperatively. New temporary and permanent screw-retained crowns were made at two weeks and three months postoperatively. Data were analyzed using parametric and non-parametric tests. Results: In both groups, 75% of patients and 83% of implants achieved treatment success after six months (no BOP, PPD <5 mm, and no further MB loss). Clinical outcomes improved over time within groups; however, without significant difference between them. ISQ value obtained significant increases in the test compared to the control group at six months postoperatively (p < 0.05). The vertical MB gain was significantly greater in the test group compared to the control (p < 0.05). Conclusions: Short-term outcomes suggested that BBS merged with HA could improve clinical and radiographic outcomes in peri-implantitis reconstructive therapy. Full article
(This article belongs to the Special Issue Recent Advances in Dental Biomaterials)
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10 pages, 14129 KiB  
Article
Comparison of Regular and Speed Sintering on Low-Temperature Degradation and Fatigue Resistance of Translucent Zirconia Crowns for Implants: An In Vitro Study
by Suchada Kongkiatkamon and Chaimongkon Peampring
J. Funct. Biomater. 2022, 13(4), 281; https://doi.org/10.3390/jfb13040281 - 8 Dec 2022
Cited by 4 | Viewed by 2163
Abstract
Background: Although there are a few studies which compare fast and slow sintering in normal zirconia crowns, it is essential to compare the cracks and load-bearing capacity in zirconia screw-retained implant crowns between regular and speed sintering protocols. This research aimed to compare [...] Read more.
Background: Although there are a few studies which compare fast and slow sintering in normal zirconia crowns, it is essential to compare the cracks and load-bearing capacity in zirconia screw-retained implant crowns between regular and speed sintering protocols. This research aimed to compare the surface structure, cracks, and load-bearing capacity in zirconia screw-retained implant crowns between regular sintering (RS) and speed sintering (SS) protocol with and without cyclic loading (fatigue). Methods: A total of 60 screw-retained crowns were fabricated from zirconia (Katana STML Block) by the CAD/CAM system. Then, 30 crowns were subjected to the RS protocol and 30 crowns were subjected to the SS protocol. Cyclic loading was done in half zirconia crowns (15 crowns in each group) using a chewing simulator CS-4.8/CS-4.4 at room temperature. The loading force was applied on the middle of the crowns by a metal stylus underwater at room temperature with a chewing simulator at an axial 50 N load for 240,000 cycles and lateral movement at 2 mm. Scanning electron microscopy was done to study the surface of the crowns and the cracks in the crowns of the regular and speed sintering protocols, with and without fatigue. Results: For the speed sintering group, the surface looks more uniform, and the crack lines are present at a short distance compared to regular sintering. The sintering protocol with a larger Weibull module and durability increases the reliability. It showed that the Speed group showed the maximum fracture load, followed by the regular, speed fatigue, and regular fatigue groups. The fracture load in various groups showed significant differences. Conclusions: It was found that the speed group showed the maximum fracture load followed by the regular, speed fatigue, and regular fatigue. The crack lines ran from occlusal to bottoms (gingiva) and the arrest lines were perpendicular to the crack propagations. Full article
(This article belongs to the Special Issue Recent Advances in Dental Biomaterials)
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14 pages, 8248 KiB  
Article
Bond Durability of Two-Step HEMA-Free Universal Adhesive
by Akimasa Tsujimoto, Nicholas G. Fischer, Wayne W. Barkmeier and Mark A. Latta
J. Funct. Biomater. 2022, 13(3), 134; https://doi.org/10.3390/jfb13030134 - 29 Aug 2022
Cited by 17 | Viewed by 4934
Abstract
The purpose of this study is to compare bond durability, in terms of fatigue bond strength, of a two-step HEMA-free universal adhesive and representative adhesives in each systematic category. The adhesives used in this study were OptiBond FL, Prime&Bond NT, Clearfil SE Bond [...] Read more.
The purpose of this study is to compare bond durability, in terms of fatigue bond strength, of a two-step HEMA-free universal adhesive and representative adhesives in each systematic category. The adhesives used in this study were OptiBond FL, Prime&Bond NT, Clearfil SE Bond 2, G2-Bond Universal, and Scotchbond Universal Plus Adhesive. Fatigue bond strength testing and scanning electron microscopy analysis of adhesively bonded enamel and dentin interfaces were performed. For the adhesives in etch-and-rinse mode, the enamel fatigue bond strength of the G2-Bond Universal adhesive was significantly higher than those of other adhesives, and the dentin fatigue bond strength of Prime&Bond NT was significantly lower than the others. For adhesives in self-etch mode, the enamel fatigue bond strengths of Clearfil SE Bond 2 and G2-Bond Universal were significantly higher than that of the Scotchbond Universal Plus Adhesive, and the dentin fatigue bond strength of G2-Bond Universal was significantly higher than Clearfil SE Bond 2 and the Scotchbond Universal Plus Adhesive. The two-step HEMA-free universal adhesive showed higher enamel and higher or equal dentin fatigue bond strength than other selected representative adhesive systems in etch-and-rinse mode and higher or equal enamel and higher dentin fatigue bond strength than adhesive systems in self-etch mode. Full article
(This article belongs to the Special Issue Recent Advances in Dental Biomaterials)
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