Results 31 to 40 of about 378,690 (301)

On the well-posedness of a mathematical model describing water-mud interaction

open access: yes, 2012
In this paper we consider a mathematical model describing the two-phase interaction between water and mud in a water canal when the width of the canal is small compared to its depth.
Abels   +21 more
core   +1 more source

Evaluation of canal cleanliness and tubular penetration of root canal sealers in extracted primary second molars: a SEM study

open access: yesCumhuriyet Dental Journal, 2013
Objectives: To evaluate canal surface changes and the remaining debris/smear after canal preparation, and the subsequent penetration of root canal sealers into dentinal tubules in extracted primary second molars, using scanning electron microscopy (SEM).
Çiğdem Güler   +3 more
doaj   +1 more source

The dentin surface of the root canal comparative characteristics during decontamination with a diode laser, depending on the irrigation solution

open access: yesЭндодонтия Today, 2020
At present, there are a large number of methods and tools for the root canal system qualitative biomechanical instrumental processing. To remove tissue degradation, lubricated layer and disinfect the root canal system the laser radiation is used being ...

doaj   +1 more source

New technologies to improve root canal disinfection [PDF]

open access: yes, 2016
Effective irrigant delivery and agitation are prerequisites to promote root canal disinfection and debris removal and improve successful endodontic treatment. This paper presents an overview of the currently available technologies to improve the cleaning
Cortese, Teresa   +6 more
core   +1 more source

Dupin Cyclides as a Subspace of Darboux Cyclides

open access: yesMathematics
Dupin cyclides are interesting algebraic surfaces used in geometric design and architecture to join canal surfaces smoothly and to construct model surfaces.
Jean Michel Menjanahary   +1 more
doaj   +1 more source

Centering ability, canal transportation and surface modifications of ProTaper F2 and F3 used in continuous rotation and reciprocating motion in curved root canals

open access: yesRevista da Faculdade de Odontologia de Porto Alegre, 2019
Aims: To evaluate the centering ability, canal transportation and surface modifications of F2 and F3 ProTaper Universal (PT) instruments used in continuous rotation (CR) and reciprocating motion (RM) for the preparation of curved root canals.
Jader Vinicius Andreazza   +5 more
doaj   +1 more source

Wetland restoration and nitrate reduction: the example of the periurban wetland of Vitoria-Gasteiz (Basque Country, North Spain) [PDF]

open access: yes, 2003
Changes in land use and agricultural intensification caused wetlands on the quaternary aquifer of Vitoria-Gasteiz (Basque Country) to disappear some years ago and nitrate concentration in groundwaters increased very quickly.
C. García-Linares   +5 more
core   +3 more sources

Assessment of three root canal preparation techniques on root canal geometry using micro-computed tomography: In vitro study

open access: yesSaudi Endodontic Journal, 2012
Aim: To assess the effects of three root canal preparation techniques on canal volume and surface area using three-dimensionally reconstructed root canals in extracted human maxillary molars. Materials and Methods: Thirty extracted Human Maxillary Molars
Shaikha M Al-Ali   +2 more
doaj   +1 more source

3D Micron-scale Imaging of the Cortical Bone Canal Network in Human Osteogenesis Imperfecta (OI) [PDF]

open access: yes, 2013
Osteogenesis imperfecta (OI) is a genetic disorder leading to increased bone fragility. Recent work has shown that the hierarchical structure of bone plays an important role in determining its mechanical properties and resistance to fracture. The current
Albert, Carolyne   +4 more
core   +1 more source

Comparison between three glass fiber post cementation techniques [PDF]

open access: yes, 2017
The aim of this experimental study was to compare the traditional cement systems with those of the latest generation, to assess if indeed these could represent of viable substitutes in the cementation of indirect restorations, and in the specific case of
Besharat, Laith Konstantinos   +5 more
core   +1 more source

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