Article
Dentistry, Oral Surgery & Medicine
Wei-Fang Lee, Naohiko Iwasaki, Pei-Wen Peng, Hidekazu Takahashi
Summary: The study found that toothbrushing significantly affects the surface roughness of externally stained 5Y-PSZ specimens, but does not impact the color or translucency.
CLINICAL ORAL INVESTIGATIONS
(2022)
Article
Materials Science, Multidisciplinary
Amanda Maria de Oliveira Dal Piva, Marco Antonio Bottino, Lilian Costa Anami, Arie Werner, Cornelis Johannes Kleverlaan, Roberto Lo Giudice, Fausto Fama, Lais Regiane da Silva-Concilio, Joao Paulo Mendes Tribst
Summary: The study investigated the effect of toothbrushing on different stained CAD/CAM ceramics, with findings showing that the hybrid ceramic HC performed well in terms of wear rate, while zirconia-reinforced lithium silicate showed higher staining wear rate after 15 years. Feldspathic ceramic demonstrated superior longevity compared to high-translucency zirconia, zirconia-reinforced lithium silicate, and hybrid ceramic in the study.
Review
Medicine, General & Internal
Adolfo Di Fiore, Edoardo Stellini, Michele Basilicata, Patrizio Bollero, Carlo Monaco
Summary: This review examines the effect of toothbrushing on the surface roughness of resin-contained CAD/CAM materials. The findings suggest that most resin-contained CAD/CAM materials experience an increase in surface roughness after toothbrushing. Understanding the composition of the dental materials and toothpastes is crucial in maintaining a smooth surface for prosthetic restorations.
JOURNAL OF CLINICAL MEDICINE
(2022)
Article
Engineering, Mechanical
P. Pinto, A. Carvalho, F. S. Silva, J. R. Gomes, S. Madeira, O. Carvalho
Summary: The aim of this study was to evaluate the toothbrush abrasion resistance of four restorative dental CAD/CAM materials available on the market. The results showed that the surface characteristics of all tested materials, except zirconia, were modified by toothbrushing. Polymer was the most susceptible material to toothbrushing wear, while zirconia demonstrated significantly higher resistance to abrasion compared to other materials.
TRIBOLOGY INTERNATIONAL
(2022)
Article
Dentistry, Oral Surgery & Medicine
Aiah A. A. El-Rashidy, Omar Shaalan, Rasha M. M. Abdelraouf, Nour A. A. Habib
Summary: This study aimed to evaluate the surface roughness of single-shade and multi-shade resin composite materials after aging in different beverages. The results showed that both materials maintained a high surface polish even after immersion and thermocycling in different beverages.
Article
Dentistry, Oral Surgery & Medicine
Yara M. ElNaggar, Ihab A. Hammad, Amir S. Azer
Summary: The study found that the color of the three tested lithium disilicate ceramic materials was affected by additional pressing, with only LDS-HDM showing color changes below the clinically perceptible threshold. Furthermore, only LDS showed a significant decrease in translucency after additional pressing.
JOURNAL OF PROSTHETIC DENTISTRY
(2021)
Article
Materials Science, Ceramics
Manuel Fellipe Rodrigues Pais Alves, Bruno Galvao Simba, Maria Helena Figueira Vaz Fernandes, Carlos Nelson Elias, Jose Eduardo Vasconcellos Amarante, Claudinei dos Santos
Summary: In dental clinics, it is common to perform small fitting adjustments in dentures using a micro-grinding tool. However, this can increase surface roughness and cause microcracks. A post-finishing heat treatment at 840 degrees C for 5 minutes was found to significantly improve the bending strength and reduce surface roughness of LD dental glass-ceramics, thus increasing the lifespan of dental prostheses.
CERAMICS INTERNATIONAL
(2022)
Article
Environmental Sciences
Gregory S. Okin
Summary: A geometric-optical model and MODIS data are used to evaluate the use of optical remote sensing imagery for estimating surface roughness. The approach of using MODIS albedo products to aid in dust emission modeling is found to be not very useful. However, suggestions are made for the proper utilization of optical data to estimate surface roughness.
REMOTE SENSING OF ENVIRONMENT
(2023)
Article
Chemistry, Multidisciplinary
Mona Alhassan, Ahmed Maawadh, Nawaf Labban, Sarah M. Alnafaiy, Hanan N. Alotaibi, Abdulelah M. BinMahfooz
Summary: This in vitro study compares the roughness and gloss of four resin-modified CAD/CAM ceramics after different surface treatments. The results show that surface glazing using Optiglaze leads to the smoothest and glossiest surface for the tested ceramics. Surface treatment significantly affects the surface roughness and gloss of the materials.
APPLIED SCIENCES-BASEL
(2022)
Article
Dentistry, Oral Surgery & Medicine
Shaista Rashid, Jennifer Hendren, Hanan Elgendy, Esther Oak, Cassandra Shahinian, Abuna Gabriel, Mohamed ElSalhy
Summary: This study compared the whitening efficacy of charcoal powder and a whitening toothpaste and evaluated tooth surface loss using SEM and CLSM. The results showed that the whitening toothpaste produced significantly lighter teeth compared to the charcoal group. There was no significant difference in tooth surface roughness between the two groups.
AMERICAN JOURNAL OF DENTISTRY
(2022)
Article
Materials Science, Ceramics
Pamella Tomazi Godoy de Oliveira, Rodrigo Bicalho Queiroga, Eduardo Gonsalves Mota, Helio Radke Bittencourt, Marcel Ferreira Kunrath, Eduardo Rolim Teixeira
Summary: The present study aims to evaluate the surface roughness and color stability of lithium disilicate and leucite ceramics after conventional and a novel surface finish techniques. The results showed that the experimental technique (ET) can reduce clinical time and has no adverse effects on surface roughness and luminosity over the studied time.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Ghada Alrabeah, Syed Rashid Habib, Nawaf M. Alamro, Meshari A. Alzaaqi
Summary: In this in-vitro study, the effect of electronic cigarettes on contemporary aesthetic dental ceramics was investigated by recording CIELAB coordinates (L*a*b*) and computing total color difference (?E) values. The results showed significant color differences in all tested materials after exposure to vaping, except for the PFM and PEmax group which showed color stability. Electronic cigarettes can noticeably alter the color of dental ceramics, affecting the aesthetics of the patients.
Article
Dentistry, Oral Surgery & Medicine
Murat Sert, Meryem Gulce Subasi, Mustafa Borga Donmez, Gulce Cakmak, Burak Yilmaz
Summary: This study aimed to investigate the effect of repeated firings and thermocycling on the ion elution of CAD-CAM materials. Results showed variation in ion elution among different materials before and after thermocycling. The number of significantly higher eluted ions decreased after thermocycling, except for one material. Additionally, repeated firings decreased the surface roughness of specific material.
JOURNAL OF PROSTHETIC DENTISTRY
(2022)
Article
Automation & Control Systems
Jiaping Qiao, Ming Feng, Hanqiang Wu, Sisi Li, Jiang Zeng, Yongbo Wu
Summary: This study investigated the effects of different grinding paths on the surface quality and profile of the workpiece, as well as analyzed the wear of the grinding wheel and material removal mechanisms. The results revealed the characteristics of tangential ultrasonic-assisted grinding, and the influence of different values of alpha on the processing performance.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2022)
Article
Automation & Control Systems
Zongxia Fu, Fan Chen, Wenbo Bie, Bo Zhao
Summary: This study introduces multidimensional ultrasonic vibration-assisted electrolytic in-process dressing (UVA-ELID) grinding to improve the processing effect of zirconia ceramics. The experiments show that the multidimensional UVA-ELID grinding can significantly reduce the grinding force and surface roughness, providing important reference for related industries.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2022)