Novel Ceramic Materials in Dentistry

A topical collection in Dentistry Journal (ISSN 2304-6767). This collection belongs to the section "Dental Materials".

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Department of Neuroscience, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131 Naples, Italy
Interests: oral medicine; dental materials; operative dentistry; oral health
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Topical Collection Information

Dear Colleagues,

In the last decade, the search for innovative fabrication technologies and novel restorative materials has allowed digital workflows to become increasingly widespread in dentistry, widening treatment scenarios and clinical protocols, particularly in prosthodontics and restorative dentistry.

The introduction of optical impressions and intraoral scanners, as well as the implementation of production lines with CAD/CAM manufacturing and 3D printing, has exploited the operative advantages of new classes of dental ceramics and innovative metal-free restorative materials, significantly improving the biocompatibility, mechanical characteristic, and optical properties of tooth-like prostheses and reconstructions. Moreover, the optimal structural resistance of novel ceramic materials has enabled a reduction in the thickness of restorations, saving, in turn, a significant amount of dental tissue, in accordance with the principles of minimal intervention dentistry. 

Conventional dental ceramics have been compared to polycrystalline cores (such as conventional and translucent zirconia) and high-strength glass ceramics (such as lithium disilicate). Nonetheless, innovative restorative materials have been developed to further improve mechanical and esthetic properties, offer reliable accuracy and precision, and reduce fabrication and chairside time. Consequently, innovative ceramic materials have been recently introduced in the dental market, such as hybrid ceramics and zirconia-reinforced lithium silicates (ZLS).

The physical–chemical profile of such novel restorative materials allows for the reduction in restorative thicknesses, ensuring, at the same time, impressive esthetic and clinical performances; these improvements have dramatically widened the range of clinical options in tooth- and implant-supported prosthodontics.

Clinical operators can profit from these improved ceramics, particularly in the digital workflow, rendering operative steps standardized and easier, thus improving, in turn, patients’ comfort and restorative experiences.

Prof. Dr. Roberto Sorrentino
Prof. Dr. Gianrico Spagnuolo
Collection Editors

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Keywords

  • dental ceramics
  • metal free
  • zirconia
  • lithium disilicate
  • ZLS

Published Papers (2 papers)

2023

18 pages, 1298 KiB  
Systematic Review
β-Tricalcium Phosphate as Alveolar Bone Grafting in Cleft Lip/Palate: A Systematic Review
by Alexander Patera Nugraha, Hui Yang, Junduo Chen, Kunhua Yang, Ploypim Kraisintu, Kyaw Zaww, Aobo Ma, Ruixian Wang, Nada Emad Alshafei Mohamed Alhadi, Juan Ramón Vanegas Sáenz and Guang Hong
Dent. J. 2023, 11(10), 234; https://doi.org/10.3390/dj11100234 - 07 Oct 2023
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Abstract
The aim of this systematic review is to describe and identify the prospects of β-Tricalcium Phosphate (β-TCP) as an alveolar bone grafting (ABG) material in cleft lip/palate (CL/P) or alveolar bone cleft defects. A systematic review protocol based on the Preferred Reporting Items [...] Read more.
The aim of this systematic review is to describe and identify the prospects of β-Tricalcium Phosphate (β-TCP) as an alveolar bone grafting (ABG) material in cleft lip/palate (CL/P) or alveolar bone cleft defects. A systematic review protocol based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 (PRISMA 2020) was drafted. The literature search was conducted using MEDLINE/PubMed, Web of Science/ISI Web of Knowledge, Scopus, and the Cochrane Library, with English as the inclusion criterion and no publication year limits. The keywords yielded a total of 5824 publications. After removing duplicates and non-English articles, there were 3196 suitable articles available for evaluation. Subsequently, 1315 studies remained after reviewing titles and abstracts. Furthermore, 85 full articles were assessed for eligibility. After reading the complete texts of those papers, 20 were eventually selected that matched the inclusion requirements. Thirteen out of the twenty studies included in this systematic review were deemed to have a low risk of bias; one had a high risk of bias; and six had a moderate risk of bias due to not reporting randomization. β-TCP, when used as an ABG material, is biocompatible, visible, practical, offers a less invasive procedure, and does not interfere with orthodontic treatment. Synthetic β-TCP for ABG can be an alternative to autologous bone grafts under certain terms and conditions. The efficacy of β-TCP for ABG in CL/P or alveolar bone cleft defects can be enhanced through a tissue engineering approach that combines β-TCP with growth factors, mesenchymal stem cells, or other graft materials, along with modifications to β-TCP’s physical properties. Full article
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13 pages, 2053 KiB  
Article
Marginal Fit of Porcelain Laminate Veneer Materials under Thermocycling Condition: An In-Vitro Study
by Zanbaq Azeez Hanoon, Huda Abbas Abdullah, Zahraa Abdulaali Al-Ibraheemi, Rasha A. Alamoush, Suha Mohammad Sami and Julfikar Haider
Dent. J. 2023, 11(1), 12; https://doi.org/10.3390/dj11010012 - 01 Jan 2023
Viewed by 2391
Abstract
Objective: The purpose of this study was to evaluate the cervical marginal fit of porcelain laminate veneer (PLV) restorations made from two different types of CAD/CAM ceramic laminates: CEREC C PC and E.max (LD). Materials and Methods: This in-vitro experiment used [...] Read more.
Objective: The purpose of this study was to evaluate the cervical marginal fit of porcelain laminate veneer (PLV) restorations made from two different types of CAD/CAM ceramic laminates: CEREC C PC and E.max (LD). Materials and Methods: This in-vitro experiment used a total of 32 human maxillary first premolars that were clean and free of any cracks or caries, extracted for orthodontic purposes. The samples were divided in a random way into two study groups: A and B (n = 16). Each sample was mounted on a dental surveyor and a silicon impression was made to create a silicone index for each tooth in both groups. Standardized preparation was carried out for all the samples by using preparation bur kit for the ceramic veneer system. Subsequently, digital impressions were made for all the samples by using Trios 3 shape intraoral camera (Sirona Dental Systems). The design of veneer restorations was made using Sirona inLab CAD SW 16.1 with CEREC inLab MC XL (Dentsply, Sirona Dental Systems, Bensheim, Germany). The veneer restorations were cemented using 3M RelyX veneer resin cement (3M ESPE, Seefeld, Germany) and the samples kept in distilled water for two weeks at 37 °C. All the specimens were subjected to thermocycling in a water bath with temperature varying between 5 °C and 55 °C for 500 cycles. The cervical marginal fit of veneers was evaluated by a digital microscope after sectioning the embedded teeth in acrylic resin. Results: The lowest mean of cervical marginal gap was recorded for Group A (91.59431 ± 1.626069) which was restored with CEREC CAD/CAM veneers, while the highest mean value of the gap was recorded for Group B (106.48863 ± 2.506684) which was restored with IPS E.max CAD. The t-test showed that the type of porcelain veneer restoration had a highly significant effect on the cervical marginal fit (p ≤ 0.01). Conclusions: CEREC CAD/CAM veneers showed smaller cervical marginal gaps, indicating a better fit compared to the IPS E.max CAD. Full article
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