Results 11 to 20 of about 46,799 (263)

Effect of three kinds of medium molecular weight proteins on the corrosion resistance of Ni⁃Ti and stainless steel arch wires

open access: yes口腔疾病防治, 2019
Objective To explore the influence and mechanism of different types of proteins on the corrosion resis⁃ tance of alloy to provide a reference for the safe application and surface modification of nickel⁃titanium (Ni⁃Ti) and stainless steel bow wires in ...
CUI Ye   +4 more
doaj   +1 more source

Clinical effects of combined application of Er: YAG laser and guided bone regeneration in treatment of peri⁃ implantitis

open access: yes口腔疾病防治, 2017
Objective To evaluate the therapeutic effects of erbium ⁃ doped: yttrium aluminium garnet laser (Er: YAG laser) combined with guided bone regeneration (GBR) in the treatment of peri ⁃implantitis bone defect.
LU Haibin   +4 more
doaj   +1 more source

Tics [PDF]

open access: yesBehavioural Neurology, 1990
Tics are an incontinent form of non-verbal communication associated with obsessional and aggressive urges and anxiety. The motor phenomena seen in socially acceptable forms of emotional release are compared and contrasted with tics. It is proposed that brain dysfunction in Gilles de la Tourette syndrome involves frontal limbic and basal ganglia loops.
openaire   +3 more sources

CBCT detection of the incidence of middle mesial canal and isthmus in the mandibular first molar

open access: yes口腔疾病防治, 2018
Objective To analyze the morphology and incidence of middle mesial canal (MM) and isthmus in the mandibular first permanent molar by cone⁃beam computed tomography (CBCT).
LIU Zhongjun   +5 more
doaj   +1 more source

Updated research on digitalization in aesthetic restoration

open access: yes口腔疾病防治, 2018
With the development of digitalization, information and internet technology, digital dental aesthetic resto⁃ ration technology is changing the traditional mode of treatment.
LIAO Lan, ZENG Lijun
doaj   +1 more source

Nivel de competencias digitales de docentes del Perú

open access: yesRevista Franz Tamayo, 2021
La investigación tiene el propósito de describir el nivel de competencias digitales de los docentes del CEBA Precursores de la Independencia Nacional, Aucallama, 2021.
Elizabeth Antonieta Champa Ladera   +3 more
doaj   +1 more source

Escolhas tecnológicas na elaboração de planos de ensino por licenciandos em biologia

open access: yesRevista Brasileira de Ensino de Ciência e Tecnologia, 2022
O presente estudo investiga o uso das ferramentas da internet e as escolhas tecnológicas em planos de ensino elaborados por licenciandos do curso de Ciências Biológicas.
André Henrique Silva Souza   +1 more
doaj   +1 more source

A palladium bio-nanocomposite as an efficient heterogeneous catalyst for nitro reduction: a fungus mediated green and sustainable process [PDF]

open access: yesNanoscale Advances
Metallic nanocatalysts such as palladium nanoparticles (Pd-NPs) possess remarkable catalytic activity owing to their high surface-to-volume ratio; however, aggregation and metal leaching significantly compromise their stability and practical ...
Hemal B. Rathod   +3 more
doaj   +1 more source

FGFR2 promotes breast tumorigenicity through maintenance of breast tumor-initiating cells. [PDF]

open access: yesPLoS ONE, 2013
Emerging evidence suggests that some cancers contain a population of stem-like TICs (tumor-initiating cells) and eliminating TICs may offer a new strategy to develop successful anti-cancer therapies.
Sungeun Kim   +10 more
doaj   +1 more source

The staining effect of coffee and red tea to two kinds of denture base materials and the cleaning efficacy of four kinds of denture cleansers to the stains

open access: yes口腔疾病防治, 2018
Objective To compare the staining effect of coffee and red tea to the different denture base materials, and to investigate the cleaning efficacy of four denture cleansers.
LI Ting, SUN Jun, QIU Hongtian
doaj   +1 more source

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