Zobrazeno 1 - 10
of 615
pro vyhledávání: '"Pekka K, Vallittu"'
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 11, Iss 1 (2024)
Objectives: The aim of this article was to compare the colour stability of short fibre-reinforced computer-assisted design/computer-assisted manufacturing (CAD/CAM) composite (SFRC CAD) to commercially available CAD/CAM materials following prolonged
Externí odkaz:
https://doaj.org/article/f7ce91631a174d8390a2ed2963a20030
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract Different biomaterials have been clinically used as bone filling materials, although the mechanisms behind the biological effects are incompletely understood. To address this, we compared the effects of five different biomaterials: two bioac
Externí odkaz:
https://doaj.org/article/06b23379af094f35bdd434c24d5c6572
Publikováno v:
Polymers, Vol 16, Iss 12, p 1713 (2024)
This study aimed to evaluate the flexural strength (FS), surface wear, and optical properties of 3D-printed dental resins subjected to different post-printing conditions. A total of 240 specimens (2 × 2 × 25 mm³) were 3D-printed using resin materi
Externí odkaz:
https://doaj.org/article/fab5f0bff2bb43a788c3d6249ab1ae23
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 10, Iss 1 (2023)
AbstractThis laboratory study aimed to measure the push-out bond strength of individually formed fiber-reinforced composite (FRC) post luted with flowable short fiber-reinforced composite (SFRC) and to evaluate the influence of post coating with ligh
Externí odkaz:
https://doaj.org/article/281de88695db406f8f7e5f5ad640c607
Autor:
Faleh Abushahba, Elina Kylmäoja, Nagat Areid, Leena Hupa, Pekka K. Vallittu, Juha Tuukkanen, Timo Närhi
Publikováno v:
Bioengineering, Vol 11, Iss 1, p 74 (2024)
Air particle abrasion (APA) using bioactive glass (BG) effectively decontaminates titanium (Ti) surface biofilms and the retained glass particles on the abraded surfaces impart potent antibacterial properties against various clinically significant pa
Externí odkaz:
https://doaj.org/article/6b9f5be295e7488a82d96557796a1eb9
Autor:
Pekka K. Vallittu, Juha Varrela, Jukka Salo, Li Rengui, Ling Shanshan, Huang Shan, Hemin Zhang, Pekka Niemelä
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
Abstract Here, we present new evidence that evolutionary adaptation of the Ailuripodinae lineage to bamboo diet has taken place by morphological adaptations in the masticatory system. The giant panda in the wild and in captivity removes without an ex
Externí odkaz:
https://doaj.org/article/45f7c84faddd449f95a03ebbad48d98c
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 8, Iss 1, Pp 48-53 (2021)
Objective When restorative resin composites absorb light from the surrounding tooth structures, it creates a color-match, which is known as ‘a chameleon effect’. In this study, series of co-monomer mixtures were prepared with an increasing refrac
Externí odkaz:
https://doaj.org/article/f4df12fa99344cd887fe433c5ff7d6f9
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 7, Iss 1, Pp 1-8 (2020)
Aim The purpose of this in vitro study was to determine the effects of different polishing protocols on the surface gloss (SG) of different commercial dental resin composites (RCs). Material and methods A total of 147 block-shaped specimens (40 mm le
Externí odkaz:
https://doaj.org/article/66bb4f3a1f1341cd9b261c87511948b0
Publikováno v:
Biomaterial Investigations in Dentistry, Vol 7, Iss 1, Pp 80-85 (2020)
Purpose By combining the increased toughness of a resin composite reinforced with discontinuous fibers and the surface wear resistance of a particulate filler composite (PFC), a bilayered composite technique was recently introduced. This study aimed
Externí odkaz:
https://doaj.org/article/f019860f4575414da93207f749b2058f
Autor:
Junichiro Wada, Kanae Wada, Mona Gibreel, Noriyuki Wakabayashi, Tsutomu Iwamoto, Pekka K. Vallittu, Lippo Lassila
Publikováno v:
Polymers, Vol 15, Iss 3, p 625 (2023)
The aim of this study was to evaluate the effect of surface polishing as well as the post-curing atmospheres (air and nitrogen gas) on the physical properties of an occlusal splint material for additive manufacturing. Flexural strength, flexural modu
Externí odkaz:
https://doaj.org/article/7e0aec00d8ca4c46980b86f0fbe1d0ab