Results 31 to 40 of about 196,182 (303)

The Eskimo-Aleut Dentition: Crown and Root Morphology

open access: yesActa Stomatologica Croatica, 2020
Objective of work: This paper provides an overview of crown and root morphology in Eskimo-Aleut populations of the American Arctic. For context, Eskimo-Aleut dental variation is compared to closely related American Indians and distantly related Europeans.
G. Richard Scott
doaj   +1 more source

Evaluation of Root Canal Morphology of Maxillary Permanent Premolars in Iraqi Subpopulations by Cone-Beam Computed Tomography [PDF]

open access: yes
Objective: The aim of the present study is to assess the root and root canal morphology of maxillary first premolars (MFP) and maxillary second premolars (MSP) using cone beam computed tomography (CBCT) in an Iraqi subpopulation.
Darwn Abdulateef
core   +1 more source

Development of root morphology traits of the Czech lucerne varieties in chernozem over a three year period

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
The root system of plants is generally in relation to important agronomic and ecological characteristics. The aim of this study was to investigate differences in root morphology development of Czech lucerne varieties under chernozem soil conditions.
Josef Hakl   +3 more
doaj   +1 more source

Insights into the Interactions among Roots, Rhizosphere, and Rhizobacteria for Improving Plant Growth and Tolerance to Abiotic Stresses: A Review

open access: yesCells, 2021
Abiotic stresses, such as drought, salinity, heavy metals, variations in temperature, and ultraviolet (UV) radiation, are antagonistic to plant growth and development, resulting in an overall decrease in plant yield. These stresses have direct effects on
Naeem Khan   +5 more
doaj   +1 more source

insect-morphology/aism: Release to annotate ontology root

open access: yes, 2022
Root annotated as region of cuticle (AISM:0000174)
István Mikó   +4 more
core   +1 more source

Anatomic symmetry of root and root canal morphology: Case series

open access: yesSaudi Journal of Oral Sciences
A thorough knowledge of the root and the root canal morphology of all existing canals plays a significant role in determining the success of endodontic treatment.
Malik Ashker, Adnan Asaad Habib
doaj   +1 more source

Root canal morphology of mandibular premolars

open access: yesThe Journal of the American Dental Association, 1978
Four hundred mandibular first premolars and 400 mandibular second premolars were decalcified, injected with dye, and made transparent to determine the number of root canals, their type, the ramifications of the main root canal, the location of apical foramina and transverse anastomoses, and the frequency of apical deltas.
Dr. Vertucci is assistant professor in the department of endodontics, College of Dentistry, University of Florida, Gainesville ( host institution )   +1 more
openaire   +3 more sources

Heterogeneity in the Global Practice of Central Nervous System Staging in Pediatric Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) involvement in childhood acute lymphoblastic leukemia (ALL) is assessed by cell counting and cytomorphology from cerebrospinal fluid (CSF) and is used for treatment stratification worldwide. The ratio of “CNS2” patients in clinical trials ranges from 3% to 40%, with unclear prognostic significance ...
Laura Almási   +14 more
wiley   +1 more source

Mandibular left first premolar with two roots: A morphological oddity

open access: yesContemporary Clinical Dentistry, 2012
Thorough knowledge of the root canal morphology, appropriate assessment of the pulp chamber floor, and critical interpretation of radiographs are a prerequisite for successful root canal therapy.
Nitin Kararia   +2 more
doaj   +1 more source

Root developmental responses to heterogeneous water and nitrogen supply [PDF]

open access: yes, 2012
Better understanding of the interaction between the soil physical properties determining water and nitrate availability and the root proliferation and gene expression components of nutrient acquisition could contribute to food security, but may have been
Chapman, N., CHAPMAN, NICHOLAS
core  

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