Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Helena Figueiral"'
Autor:
Manuel António Sampaio-Fernandes, Ricardo Jorge Pinto, Paulo Rocha Almeida, Maria Margarida Sampaio-Fernandes, Duarte Nuno Silva Marques, Maria Helena Figueiral
Publikováno v:
Dentistry Journal, Vol 12, Iss 11, p 340 (2024)
Background/Objectives: This study aimed to compare the cost and time implications for implant-supported prosthesis comparing three digital impression techniques: digitization with an intraoral scanner, digitization of the conventional impression (wit
Externí odkaz:
https://doaj.org/article/df1dadb32f7344768911839b4c733fc5
Autor:
Helena Salgado, Joana Fialho, Marco Marques, Mário Vaz, Maria Helena Figueiral, Pedro Mesquita
Publikováno v:
Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, Vol 64, Iss 1, Pp 12-19 (2023)
Objectives: Commercial photocurable polymers used in dental additive manufacturing still have mechanical limitations. The incorporation of graphene may provide interesting advantages in this field. This study aimed to evaluate in vitro the effect of
Externí odkaz:
https://doaj.org/article/6bc9ef6efcb14ffa8ab87f3a268e12e3
Publikováno v:
Journal of Dental Research, Dental Clinics, Dental Prospects, Vol 17, Iss 2, Pp 109-111 (2023)
Background. Occlusal splints with sensors help in the bruxism diagnosis and monitoring, by recording the patient’s bite force. The aim of this study was to evaluate the accuracy of a pressure sensor when it is covered with different thicknesses of
Externí odkaz:
https://doaj.org/article/dc35752919e644f98f4b9c0bae78b988
Publikováno v:
Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, Vol 63, Iss 4, Pp 178-188 (2022)
Objectives: To produce a systematic review regarding the effect of graphene-reinforced polymethylmethacrylate used in dentistry on mechanical properties. Methods: Electronic databases (Pubmed/MEDLINE, Web of Science, Embase) were independently sear
Externí odkaz:
https://doaj.org/article/0404d0ddbf974034b4d9a96714d2f950
Autor:
Tânia Soares, Carlos Fernandes, Cláudia Barbosa, Mário A. P. Vaz, Tiago Reis, Maria Helena Figueiral
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 3096 (2024)
Polyetheretherketone is a high-performance thermoplastic polymer that can be used in 3D printing by fused deposition modeling, and is a promising material for dental applications. Some printing parameters are sensitive and can influence the propertie
Externí odkaz:
https://doaj.org/article/4e2d55ee750047cfb5900edf13763203
Autor:
Margarida Sampaio-Fernandes, Cláudio Ferreira Júnior, Susana João Oliveira, Ramiro Carneiro Martins, João Carlos Sampaio-Fernandes, Maria Helena Figueiral
Publikováno v:
Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, Vol 63, Iss 3, Pp 117-125 (2022)
Objectives: This work aimed to evaluate and compare the surface roughness, contact angle, and C. albicans adhesion in three materials for removable denture bases: polymethylmethacrylate and the thermoplastic resins polypropylene and polyolefin. Me
Externí odkaz:
https://doaj.org/article/8c91105abe774c00a1f7860575830eaa
Autor:
Manuel Sampaio-Fernandes, Paulo Júlio Almeida, Paulo Rocha Almeida, Jaime Portugal, Ramiro Carneiro Martins, Maria Helena Figueiral
Publikováno v:
Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, Vol 63, Iss 3, Pp 126-133 (2022)
Objectives: Considering the need for intraoral polishing of zirconia restorations, this in vitro study aimed to 1) evaluate the 2D and 3D surface roughness of different types of ceramic after their finishing and polishing and 2) compare three polis
Externí odkaz:
https://doaj.org/article/e19962091d294103b6e8682676ae29bf
Autor:
Lara Barbosa, Maria Helena Figueiral, Cristina Bettencourt Neves, Rodrigo Malheiro, Manuel António Sampaio-Fernandes, Susana João Oliveira, Maria Margarida Sampaio-Fernandes
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 118 (2023)
This pilot study aimed to compare the fit accuracy of cobalt–chromium (Co-Cr) and polyether ether ketone (PEEK) removable partial denture frameworks, produced by digital technologies. Two study models of previously prepared Kennedy’s Class I and
Externí odkaz:
https://doaj.org/article/08ebdee3f96b459e8fd5246d74448b06
Autor:
Manuel António Sampaio-Fernandes, Ricardo Pinto, Paulo Rocha Almeida, Maria Margarida Sampaio-Fernandes, Duarte Marques, Maria Helena Figueiral
Publikováno v:
Applied Sciences, Vol 13, Iss 15, p 8769 (2023)
The aim of this in vitro study was to evaluate the accuracy of impressions made using two different silicones and corresponding stone casts in full-arch implant rehabilitation, using two laboratory scanners. A master model with six dental implants wa
Externí odkaz:
https://doaj.org/article/ff67a6b752984a84a61da5606e9a9b78
Autor:
Helena Salgado, Ana T. P. C. Gomes, Ana S. Duarte, José M. F. Ferreira, Carlos Fernandes, Maria Helena Figueiral, Pedro Mesquita
Publikováno v:
Biomedicines, Vol 10, Iss 10, p 2607 (2022)
The present study aimed to test, in vitro, the antimicrobial activity against Candida albicans and Streptococcus mutans and the surface roughness of a 3D-printed polymethylmethacrylate dental resin enhanced with graphene. A 3D-printed polymethylmetha
Externí odkaz:
https://doaj.org/article/75730d67c6074f3fa1d988604acc2c10