Article
Materials Science, Ceramics
Ke Li, Jiancun Rao, Congqin Ning
Summary: The novel dental ceramics using LDGC as an additive for Y-TZP ceramics can be fabricated at lower temperatures, showing improved densification, strength, and translucency. However, the addition of LDGC may induce structural changes in the zirconia grains.
JOURNAL OF ADVANCED CERAMICS
(2021)
Article
Materials Science, Ceramics
Sophie Cailliet, Marilyne Roumanie, Celine Croutxe-Barghorn, Guillaume Bernard-Granger, Richard Laucournet
Summary: Y-TZP, Ce-TZP, and Ce-TZP/Al2O3 materials are widely studied in dentistry. High loading photocurable formulations suitable for DLP printing were achieved in this study by using specific properties of the materials. The ceramics exhibit suitable curing behavior for DLP process, with Y-TZP formulations having a high conversion rate and ceria ceramic formulations having a specific UV absorption behavior for quick curing.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Kohta Nambu, Taisuke Kitaoka, Koji Morita, Kohei Soga, Tomoharu Tokunaga, Takahisa Yamamoto, Hiroshi Masuda, Hidehiro Yoshida
Summary: In this study, flash joining experiments were conducted using an AC field on 3 mol% Y2O3-stabilized tetragonal ZrO2 polycrystal (Y-TZP) bodies. The necessary conditions for achieving almost complete self-joining of Y-TZP bodies were clarified. By applying an AC field at specific conditions, successful joining with 92% of the flexural strength of the as-sintered Y-TZP body was achieved.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Dentistry, Oral Surgery & Medicine
Franco Naoki Mezarina-Kanashiro, Erika Soares Bronze-Uhle, Fabio Antonio Piola Rizzante, Paulo Noronha Lisboa-Filho, Ana Flavia Sanches Borges, Adilson Yoshio Furuse
Summary: This study evaluated the microshear bond strength of a resin cement to Y-TZP after incorporating TiO2 nanotubes using different methods. Application of nTiO(2) mixed with isopropyl alcohol under high-pressure vacuum produced comparable bond strengths to conventional methods like air abrasion and silicatization without the need for sandblasting.
Article
Chemistry, Physical
Gaoying Hong, Mengyuan Liao, Tong Wu, Qiyue Zhou, Haifeng Xie, Chen Chen
Summary: The study demonstrated that grafting mercapto- and amino-terminated silanes effectively enhanced the osteogenic potential of Y-TZP implants, promoting osteogenic differentiation and mineralization while improving surface hydrophilicity to facilitate cell adhesion and growth. In contrast, vinyl- and methyl-terminal silanes exhibited inhibitory effects on certain bone-related gene expressions, highlighting the superiority of mercapto- and amino-terminated silanes in promoting osteogenesis.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Liliya Vladislavova, Tomasz Smolorz, Nina Orlovskaya, Mykola Lugovy, Michael J. Reece, Stefan Koebel, Agnieszka Kopia, Malgorzata Makowska, Thomas Graule, Gurdial Blugan
Summary: This study examined the mechanical properties of ceramics with different grain sizes, showing that only linear elastic deformation occurs under high stress, ruling out domain switching in zirconia under the loading conditions studied.
Article
Chemistry, Physical
Ki-Won Jeong, Hyung-In Yoon, Jae-Hyun Lee, In-Sung Luke Yeo, Dae-Joon Kim, Jung-Suk Han
Summary: This study evaluated the clinical performance of monolithic single restorations made from fully sintered (Y, Nb)-TZP over a 6-month period, with results showing highly acceptable quality, 100% success and survival rates, periodontal probing depth values ranging from 1 to 3 mm, and transient postoperative sensitivity.
Article
Materials Science, Ceramics
Maria Eliza Steling Rego, Paula Nunes Guimaraes Paes, Fabiana Ribeiro da Silva Schanuel, Paula Mendes Jardim
Summary: The study investigated the effects of the SIE protocol steps on the topography of Y-TZP and its bond strength to resin cement. The results showed that exposure to 10% HF for sufficient time can etch zirconia at room temperature, leading to significant improvement in bond quality.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Qixuan He, Yanping Qin, Xiaozhen Zhan, Wenmin Zhang, Jiandong Ye
Summary: In this study, Y-TZP ceramics infiltrated with different bioactive glasses (BGs) were successfully prepared. The modified Y-TZP/BG samples showed excellent bioactivity, with superior protein adsorption ability and sustained release of osteogenic-related ions. Cells cultured on the surface of the samples exhibited better adhesion, spreading, viability, proliferation, and osteogenic differentiation. Y-TZP ceramics infiltrated with BGs have great potential for dental implant applications.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Ranulfo Benedito de Paula Miranda, Valter Ussui, Dolores Ribeiro Ricci Lazar, Nelson Batista de Lima, Juliana Marchi, Paulo Francisco Cesar
Summary: This study evaluated the effects of different sintering conditions on the microstructure, density, optical properties, and flexural strength of a 3Y-TZP/TiO2 dental ceramic. It was found that sintering the ceramic at 1460 degrees C for 2 hours increased the grain size and significantly decreased the flexural strength. The interaction between titania content and sintering conditions affected the relative density and optical properties. The material developed with 12.5 mol% titania and sintered at 1300 degrees C for 2 hours showed high densification and flexural strength of 670 MPa, making it a potential choice for dentistry.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Chuangang Yang, Weicong Wu, Zi Fu, Huade Zheng
Summary: This study proposes a method to prepare Yttria-stabilized tetragonal zirconia polycrystal ceramics (3Y-TZP ceramics) with complex triply periodic minimal surface (TPMS structures) using digital light processing (DLP) 3D printing technology for thermal insulation applications. The 3Y-TZP ceramics obtained had a relative density of 98.6%±0.2% and a flexural strength of 937±24 MPa when sintered at 1450°C for 3 hours. The diamond structure exhibited the lowest thermal conductivity of 0.93±0.035 W/(mK) and the highest compressive strength of 166.5±27.3 MPa at 67% porosity.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Materials Science, Ceramics
Clara G. Soubelet, Maria P. Albano
Summary: The study investigated the effects of adding different contents of refractory bioglass on Y-TZP and Al2O3-doped Y-TZP bioceramics, with distinct findings between YZ and AYZ. With increasing glass content, fracture toughness slightly increased for YZ but decreased for AYZ.
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
(2021)
Article
Engineering, Biomedical
Qixuan He, Wenmin Zhang, Xiaozhen Zhan, Yanping Qin, Jiandong Ye
Summary: In this study, Y-TZP ceramics were prepared using 77S bioactive glass (BG) sol and akermanite (AKT) sol infiltration and microwave sintering, which improved its bioactivity and maintained resistance to hydrothermal aging. The results showed that the modified Y-TZP specimens had little or no tetragonal-to-monoclinic transformation and maintained relatively high mechanical properties after accelerated hydrothermal aging treatment. In vitro biological behavior tests demonstrated that the introduction of 77S BG and AKT significantly promoted cell adhesion, spreading, viability, and proliferation on the surface of modified Y-TZP ceramics. Therefore, this modification method effectively enhances the bioactivity and hydrothermal aging resistance of Y-TZP ceramics for dental implant materials application.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
(2023)
Article
Chemistry, Physical
Alex Tchinda, Laetitia Chezeau, Gael Pierson, Richard Kouitat-Njiwa, B. H. Rihn, Pierre Bravetti
Summary: The biocompatibility of rough and smooth surfaces of Y-TZP and ZrO2 discs was evaluated in this study. The results showed similar cell proliferation rates and coverage between Y-TZP and ZrO2 discs and control cells, regardless of the surface topography. Transcriptomic analysis indicated the excellent biocompatibility of Y-TZP, with differentially expressed transcripts mainly involved in mineral uptake and immune response pathways.
Article
Materials Science, Ceramics
Linfeng Li, Jinyang Xu, Min Ji, Youkang Yin, Ming Chen
Summary: Ultrasonic elliptical vibration cutting (UEVC) is a promising technique for crack-free machining of ceramics. In this study, the material removal characteristics of 3Y-TZP ceramics under UEVC were rigorously studied using simulation and experimental methods. The ultrasonic speed ratio was found to have a significant impact on the crack suppression mechanism and critical transition depth.
CERAMICS INTERNATIONAL
(2022)
Article
Dentistry, Oral Surgery & Medicine
Camilla Johansson, Jasmin Dibes, Luis Emilio Lopez Rodriguez, Evaggelia Papia
Summary: This study evaluated the accuracy of dental models and surgical guides printed with different digital light processing printers, finding that linear parameters had higher trueness and precision than angle parameters, and that the design of the object affected accuracy.
DENTAL MATERIALS JOURNAL
(2021)
Article
Dentistry, Oral Surgery & Medicine
Emma Gardell, Christel Larsson, Per Vult von Steyern
Summary: The study demonstrated that lithium disilicate (LDS) and zirconium dioxide (ZrO2)-based ceramic monolithic crowns in the posterior dentition showed similar and promising clinical results, with high success and survival rates. There may be a discrepancy between patient and professional ratings of crown esthetics, with patients favoring the restorations more positively.
INTERNATIONAL JOURNAL OF PROSTHODONTICS
(2021)
Review
Dentistry, Oral Surgery & Medicine
Peyman Ghiasi, Camilla Ahlgren, Christel Larsson, Bruno Ramos Chrcanovic
Summary: This study evaluated the clinical outcomes of maxillary overdentures supported by dental implants through a literature review. The results showed that the failure rates of implants and prostheses were highest in the first year post-placement, and the number of implants per prosthesis had an impact on overdenture failure.
INTERNATIONAL JOURNAL OF PROSTHODONTICS
(2021)
Article
Dentistry, Oral Surgery & Medicine
Martin Janda, Christel Larsson, Nikos Mattheos
Summary: This study used a finite element analysis model to investigate the impact of misfit between a restoration and supporting implant on veneer fractures in metal-ceramic fixed dental prostheses. The results showed that stress levels are likely to be high enough to cause veneer fracture above a misfit of 30 µm, with the risk increasing disproportionately for misfit above 100 µm.
INTERNATIONAL JOURNAL OF PROSTHODONTICS
(2021)
Article
Dentistry, Oral Surgery & Medicine
Nikos Mattheos, Martin Janda, Aneesha Acharya, Stephanie Pekarski, Christel Larsson
Summary: The review investigates the correlation between emergence profile and angle, peri-implant tissue height, implant design, and material with peri-implant mucositis and peri-implantitis risk. Evidence suggests a link between emergence angle and profile design with peri-implantitis, while modified prosthesis contour can supplement anti-infective treatment for peri-implant mucositis. More studies are needed to clarify current observations due to the lack of consensus definitions and diverse methodologies.
CLINICAL ORAL IMPLANTS RESEARCH
(2021)
Article
Dentistry, Oral Surgery & Medicine
Goran Nilsson, Stefan Ellner, Liselott Arnebrant, Lars Brudin, Christel Larsson
Summary: The purpose of this retrospective study was to investigate the correlation between the duration of the interim restoration or the experience of the dentist and loss of pulp vitality in fixed prosthetic restorations. The results showed that while operator experience did not affect the failure rate, extended time with an interim restoration was a contributing factor to the loss of pulp vitality.
JOURNAL OF PROSTHETIC DENTISTRY
(2023)
Article
Dentistry, Oral Surgery & Medicine
Mohammed Hawthan, Bruno R. Chrcanovic, Christel Larsson
Summary: The purpose of this study was to investigate the factors influencing the survival of tooth-supported single crowns and assess the complications involved. The results showed that anterior placement, non-vital abutments, and bruxism significantly affected the survival of single crowns, while factors such as patient age and sex, crown location, tooth type, and crown material had no influence on the survival rate.
EUROPEAN JOURNAL OF ORAL SCIENCES
(2022)
Article
Dentistry, Oral Surgery & Medicine
Mohammed Hawthan, Bruno R. Chrcanovic, Christel Larsson
Summary: This study aimed to investigate the influence of bruxism on the long-term survival of tooth-supported fixed dental prosthesis (FDP). The results showed that bruxers had a higher failure rate of FDPs and experienced more technical and biological complications compared to nonbruxers.
INTERNATIONAL JOURNAL OF DENTISTRY
(2022)
Review
Materials Science, Ceramics
Camilla Johansson, Sebastian Franco Tabares, Christel Larsson, Evaggelia Papia
Summary: A review of 142 publications on high translucent zirconia materials revealed that processing and time-related factors have a significant impact on their properties. Different types of zirconia materials and their sintering and polishing methods were discussed in terms of their effect on strength, surface roughness, and wear behavior.
CERAMICS-SWITZERLAND
(2023)
Article
Dentistry, Oral Surgery & Medicine
Mohammed Abdullah Hawthan, Bruno R. Chrcanovic, Christel Larsson
Summary: This study aimed to assess the influence of several factors on the survival rate of tooth-supported fixed partial dentures (FPDs) with vital and non-vital abutments. A total of 331 FPDs in 229 patients were included in the study. It was found that smoking and the type of prosthesis material significantly influenced the survival of FPDs, while abutment vitality, position of the non-vital abutment, or prosthesis length did not show any significant influence on the occurrence of prosthesis failure.
JOURNAL OF PROSTHODONTIC RESEARCH
(2023)
Article
Dentistry, Oral Surgery & Medicine
Peyman Ghiasi, Sofia Petren, Bruno Chrcanovic, Christel Larsson
Summary: The study analyzed and compared the costs of different prosthetic rehabilitations for the edentulous maxilla, finding that removable maxillary overdentures supported by 2 implants may be a valid low-cost treatment option, especially with advantages in maintenance.
Article
Dentistry, Oral Surgery & Medicine
Dirk U. Duddeck, Tomas Albrektsson, Ann Wennerberg, Christel Larsson, Jaafar Mouhyi, Florian Beuer
Summary: This study revealed that technically feasible zirconia implants can be largely free of residue, however, significant residues found could lead to undesirable biologic effects. Some ceramic implant surfaces showed organic contaminations, which may impact the long-term success of implants. It is noteworthy that implants from different manufacturers have varied results in terms of clinical trials.
INTERNATIONAL JOURNAL OF ORAL & MAXILLOFACIAL IMPLANTS
(2021)
Article
Dentistry, Oral Surgery & Medicine
Jazmin Hidalgo, Desiree Baghernejad, Anders Falk, Christel Larsson
Summary: The study compared the amount of remaining cement excess after cementation of implant-supported zirconia crowns with zinc phosphate or calcium aluminate glass ionomer cement. Results showed that zinc phosphate cement had significantly greater remaining cement excess compared to calcium aluminate glass ionomer cement, indicating that the choice of cement type can impact the amount of excess cement and potentially reduce complications associated with cement excess in dental implant restorations.
Review
Dentistry, Oral Surgery & Medicine
Evaggelia Papia, Weam Habib, Christel Larsson
EUROPEAN JOURNAL OF PROSTHODONTICS AND RESTORATIVE DENTISTRY
(2020)
