Results 81 to 90 of about 2,976,973 (351)

Outcomes and Surgical Management of Malignant Rhabdoid Tumor of the Kidney: A Report From the Pediatric Surgical Oncology Research Collaborative

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Malignant rhabdoid tumor of the kidney (MRTK) is a rare, aggressive tumor seen in young children. The optimal timing of resection for locally advanced tumors is not well‐defined. The purpose of this study is to evaluate modern oncologic outcomes and the impact of surgical timing. Methods A multicenter retrospective review was performed
Hannah N. Rinehardt   +76 more
wiley   +1 more source

Awareness Regarding the use of Clear Aligners as an Orthodontic Treatment Modality among the General Population of Maharashtra, India: A Cross-sectional Survey [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Introduction: Fixed orthodontic treatment has been the standard method to treat malocclusions for decades; however, the number of adults seeking more inconspicuous ways to enhance their smiles has significantly increased. This trend has led to the rising
Renuka Pawar   +6 more
doaj   +1 more source

Comparison of Pain Perception between Clear Aligners and Fixed Appliances: A Systematic Review and Meta-Analysis

open access: yesApplied Sciences, 2020
We aimed to compare the pain discomfort levels between clear aligners and fixed appliances at multiple time points. Four electronic databases (Pubmed, Medline, CENTRAL and Scholar) were searched up to May 2020. There were no year or language restrictions.
Dinis Pereira   +5 more
doaj   +1 more source

Predictability of expansion movements performed by clear aligners in mixed dentition in both arches: a retrospective study on digital casts

open access: yesBMC Oral Health
to evaluate the predictability of expansion achieved in patients in early mixed dentition treated with Clear Aligners (CA), analyzing the efficiency of the expansion at the end of the first set of aligners and at the end of the therapy in the upper and ...
S. Loberto   +5 more
semanticscholar   +1 more source

Forces and moments generated by 3D direct printed clear aligners of varying labial and lingual thicknesses during lingual movement of maxillary central incisor: an in vitro study

open access: yesProgress in orthodontics, 2023
Objective The objective of this study was to measure the forces and moments exerted by direct printed aligners (DPAs) with varying facial and lingual aligner surface thicknesses, in all three planes of space, during lingual movement of a maxillary ...
James Grant   +5 more
semanticscholar   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Evaluation of color stability of orthodontic aligners: in vitro study [PDF]

open access: yesRevista de Odontologia da UNESP
Introduction The esthetics of orthodontic aligners is directly related to the optical stability of the thermoplastic materials used in their fabrication.
Roberto Hideo SHIMIZU   +6 more
doaj   +1 more source

Systematic evaluation of spliced alignment programs for RNA-seq data [PDF]

open access: yes, 2018
High-throughput RNA sequencing is an increasingly accessible method for studying gene structure and activity on a genome-wide scale. A critical step in RNA-seq data analysis is the alignment of partial transcript reads to a reference genome sequence.
Bertone, P   +10 more
core   +1 more source

Effects of different tooth movement patterns and aligner thicknesses on maxillary arch expansion with clear aligners: a three-dimensional finite element study

open access: yesFrontiers in Bioengineering and Biotechnology
Objectives The objective of this study was to investigate the biomechanical effects of different tooth movement patterns and aligner thicknesses on teeth and periodontal tissues during maxillary arch expansion with clear aligners, to facilitate more ...
Na Li   +8 more
semanticscholar   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

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