Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Juha Varrela"'
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 6, Iss 1, Pp 61-72 (2019)
Objective: To investigate if primers can be used to modify bonding characteristics of orthodontic brackets. Materials and methods: Stainless steel, zirconia-alumina ceramic and polycarbonate brackets were bonded to enamel with and without universal a
Externí odkaz:
https://doaj.org/article/fc000b11a5b54e899ba5af07ad0906ec
Publikováno v:
International Journal of Dentistry, Vol 2009 (2009)
Externí odkaz:
https://doaj.org/article/9043d9b8763242b9b0317c184889182a
Autor:
Ibrahim Alshahrani, Moshabab A Asiry, Pekka K. Vallittu, Juha Varrela, A A Al-Kheraif, M. K. Altwijry, Bangalore H. Durgesh
Publikováno v:
Mechanics of Composite Materials. 55:275-284
Creeping of a resin-composite-based interface between the enamel and an orthodontic bracket was investigated using two testing setups — tooth-bracket and three-point bending ones. Orthodontic brackets were bonded onto an etched enamel surface using
Autor:
Pekka K, Vallittu, Juha, Varrela, Jukka, Salo, Li, Rengui, Ling, Shanshan, Huang, Shan, Hemin, Zhang, Pekka, Niemelä
Publikováno v:
Scientific Reports
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 exception t
Publikováno v:
European journal of orthodontics. 42(2)
Summary Objectives Our aim was to analyse dentoskeletal effects and long-term stability of Class II treatment carried out with an eruption guidance appliance (EGA) in early mixed dentition. Materials and methods Sixty-five Class II patients (38 femal
Autor:
Juha Varrela, Pekka K. Vallittu, Bangalore H. Durgesh, Abdulaziz A. Al-Kheraif, M. Al Sharawy
Publikováno v:
Mechanics of Composite Materials. 51:805-812
The aim of this study was to investigate the magnitude of debonding stress of an orthodontic bracket bonded to the enamel with resin systems having different elastic properties. For the same purpose, sixty human premolars were randomly divided into f
Publikováno v:
BioMed Research International
BioMed Research International, Vol 2016 (2016)
BioMed Research International, Vol 2016 (2016)
Objective. To examine the effect of removing the surface layer of enamel on the rebonding strength of resin composite.Methods. Teeth in four groups (n=10) were etched, a small amount of resin composite was bonded and debonded, then specimens in three
Autor:
Bangalore H, Durgesh, Abdulaziz A, Alkheraif, Abobaker Salem, Musaibah, Moshabab A, Asiry, Juha, Varrela, Pekka K, Vallittu
Publikováno v:
The journal of adhesive dentistry. 20(5)
The present study investigated the creep of adhesive resin under constant loading at the orthodontic bracket/enamel interface with an orthodontic bracket-tooth model (shear creep) and three-point bending test (bending creep).For the bracket-tooth mod
Publikováno v:
Journal of Biomaterials and Tissue Engineering. 5(5):411-416