Results 21 to 30 of about 266,064 (196)

“Dens invaginatus”: A Series of case reports

open access: yesJournal of Oral Research and Review, 2018
Dens invaginatus is a developmental anomaly resulting from an invagination in the surface of a tooth crown before its calcification. It involves more commonly maxillary anterior teeth.
S R Ashwinirani   +3 more
doaj   +1 more source

LATVIANS DOWN AND OUT IN ENGLAND AND IRELAND: CONTEMPORARY MIGRATION TALES; pp. 189–202 [PDF]

open access: yesTrames, 2019
The involvement of Latvia in the recent European integration, which started once the Iron Curtain was lifted and the independence of the state was restored (1990–1991), led to Latvia’s accession to the EU and NATO (2004) and produced a new type of ...
Ojārs Lāms, Dens Dimiņš
doaj   +1 more source

Foxes engineer hotspots of wildlife activity on the nutrient-limited Arctic tundra

open access: yesGlobal Ecology and Conservation, 2022
Predators largely affect ecosystems through trophic interactions, but they also can have indirect effects by altering nutrient dynamics and acting as ecosystem engineers. Arctic foxes (Vulpes lagopus) are ecosystem engineers that concentrate nutrients on
Shu-Ting Zhao   +2 more
doaj   +1 more source

Absence of singular continuous diffraction for discrete multi-component particle models [PDF]

open access: yes, 2007
Particle models with finitely many types of particles are considered, both on $\mathbb{Z}^d$ and on discrete point sets of finite local complexity. Such sets include many standard examples of aperiodic order such as model sets or certain substitution ...
Baake, Michael, Zint, Natali
core   +2 more sources

Geographical prevalence of dens invaginatus in the upper lateral teeth of young adult Turkish men

open access: yesGülhane Tıp Dergisi, 2022
Aims:Dens invaginatus, a malformation of teeth caused by infolding of the dental papilla during development or invagination of layers of the enamel organ in dental papillae. Its aetiology is unclear.
Elif Aybala Oktay   +4 more
doaj   +1 more source

Kan Batman dateres? Om massekommunikasjonen som kulturhistorie

open access: yesMedieKultur: Journal of Media and Communication Research, 1990
Hans Frederik Dahls artikel er et bud på om massekommunikationen kan tænkes ind i kulturhistorien.Første halvdel af artiklen fremhæver de prob- lemer, det rejser, når massekommunikation med dens karakteristika i form af serialitet, triviatitet og ...
Hans Frederik Dahl
doaj   +3 more sources

Endoscopic Transnasal Approach for Urgent Decompression of the Craniocervical Junction in Acute Skull Base Osteomyelitis

open access: yesJournal of Neurological Surgery Reports, 2015
Ventral epidural abscess with osteomyelitis at the craniocervical junction is a rare occurrence that typically mandates spinal cord decompression via a transoral approach.
Terry C. Burns   +5 more
doaj   +1 more source

Injury of the Synchondrosis of the Dens. Case Report

open access: yesEgyptian Spine Journal, 2012
Background Data: Injuries of the synchondrosis of the dens are very rare and are commonly unstable injuries. Purpose: To report a case of fracture of the synchondrosis of the dens. Study Design: Case report.
Mahmoud Yaser   +3 more
doaj   +1 more source

Residual Stress Homogenization of Hybrid Implants

open access: yesBioengineering
Objectives: Hybrid implants commonly exhibit decreased corrosion resistance and fatigue due to differences in compressive residual stresses between the smooth and rough surfaces.
Marta Sanjuán Álvarez   +5 more
doaj   +1 more source

New Species of Sminthuridae from North America (Collembola: Symphypleona) [PDF]

open access: yes, 2017
(excerpt) This account is the result of efforts by Drs. Kenneth Christiansen and Peter Bellinger to amass and examine the major collections of North American Collembola.
Snider, Richard J
core   +2 more sources

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