Results 1 to 10 of about 20,633 (240)

Morphology of Accessory Canals in Mandibular First Molar of a Malaysian Subpopulation Using a Novel Coding System: A Micro-computed Tomographic Study [PDF]

European Endodontic Journal
Objective: This study investigated the morphology of accessory canals in the mandibular first molar of a Malaysian subpopulation. Methods: A total of 140 mandibular first molars were scanned using micro-computed tomography.
Hasan Mohsen Al Rammahi, Wen Lin Chai, Hany Mohamed Aly Ahmed   +2 more
doaj   +2 more sources

Electrode impedance dynamics in sequential cochlear implant users: insights into cochlear immunity [PDF]

Frontiers in Immunology
IntroductionCochlear implant outcomes can be limited due to immunologically mediated intracochlear foreign body responses, resulting in new bone growth and fibrosis.
Logan L. Flom, Eva L. Rasche, Jacob J. Oleson, Rachel A. Scheperle, Marlan R. Hansen   +4 more
doaj   +2 more sources

Structural heterogeneity and dynamics in the apical stem loop of s2m from SARS-CoV-2 Delta by an integrative NMR spectroscopy and MD simulation approach. [PDF]

Nucleic Acids Res
Abstract In structured RNAs, helical elements are often capped by apical loops that are integral structural elements, ranging from 3 to >20 nts of size on average, and display a highly heterogeneous energy landscape profile, rendering structural characterization particularly challenging.
Wirtz Martin MA, Makowski JA, Matzel T, Kensinger AH, Herr A, Richter C, Jonker HRA, Wacker A, Evanseck JD, Schwalbe H.   +9 more
europepmc   +3 more sources

Neuralized Promotes Basal to Apical Transcytosis of Delta in Epithelial Cells [PDF]

Molecular Biology of the Cell, 2010
Notch receptors mediate short-range signaling controlling many developmental decisions in metazoans. Activation of Notch requires the ubiquitin-dependent endocytosis of its ligand Delta. How ligand endocytosis in signal-sending cells regulates receptor activation in juxtaposed signal-receiving cells remains largely unknown.
Benhra, Najate, Vignaux, Françoise, Dussert, Aurore, Schweisguth, François, Le Borgne, Roland   +4 more
openaire   +3 more sources

A Microcomputed Tomographic Evaluation of Root Canal Morphology of Maxillary Second Premolars in a Pakistani Cohort

Applied Sciences, 2021
This study aimed to investigate variations in the root canal morphology of maxillary second premolar (MSP) teeth using microcomputed tomography (micro-CT). Sixty (N = 60) human extracted MSPs were collected and prepared for micro-CT scanning.
Mazen F. Alkahtany, Saqib Ali, Abdul Khabeer, Shafqat A. Shah, Khalid H. Almadi, Abdulaziz Abdulwahed, Imran Farooq, Fahim Vohra, Tariq Abduljabbar   +8 more
doaj   +1 more source

Micro-CT evaluation of apical delta morphologies in human teeth [PDF]

Scientific Reports, 2016
AbstractThe apical delta is an intricate system within the root canal and incompletely debridement may affect the long-term prognosis of root canal therapy. The aim of the present study is to investigate the morphologic features of apical deltas in human teeth with micro-computed tomography (micro-CT) using a centreline-fitting algorithm.
Xianhua Gao, Franklin R. Tay, James L. Gutmann, Wei Fan, Ting Xu, Bing Fan   +5 more
openaire   +2 more sources

Micro-CT evaluation of maxillary first molars: interorifice distances and internal anatomy of the mesiobuccal root [PDF]

Brazilian Oral Research, 2021
: This study aimed to describe the morphometric relationship of root canal orifices on the pulp floor in the presence/absence of mesiobuccal second canal (MB2) in the maxillary first molars and other aspects of its internal anatomy.
Stéphanie Quadros TONELLI, Manoel Damião SOUSA-NETO, Graziela Bianchi LEONI, Manoel BRITO-JÚNIOR, Rodrigo Dantas PEREIRA, Pedro Augusto Xambre de OLIVEIRA, Eduardo NUNES, Frank Ferreira SILVEIRA   +7 more
doaj   +1 more source

Obturation of A Mandibular 2nd Molar with the Help of Ultrasonic Irrigation to Clean the Lateral Canal

Journal of Bahria University Medical and Dental College, 2021
Apex of root is of great interest for endodontists mainly because of different stages involved in its development and the surrounding tissues. Mandibular molars normally consists of 2 roots, one mesial and one distal.
Hira Abbasi, Abhishek Lal, Rizwan Jouhar, Muhammad Saqib   +3 more
doaj   +1 more source

IMPACT OF THE PASSIVE/ACTIVE ULTRASONIC ACTIVATION ON THE ENDODONTIC IRRIGANTS EFFECTIVENESS - A REVIEW [PDF]

Journal of IMAB, 2023
Introduction: various irrigation devices and chemical solutions are being developed and improved nowadays for better penetration deep into the complex root canal system. Activation of irrigating solutions enhances the solution effectiveness.
Elvira Gyulbenkiyan, Angela Gusiyska
doaj   +1 more source

Par3 cooperates with Sanpodo for the assembly of Notch clusters following asymmetric division of Drosophila sensory organ precursor cells

eLife, 2021
In multiple cell lineages, Delta-Notch signalling regulates cell fate decisions owing to unidirectional signalling between daughter cells. In Drosophila pupal sensory organ lineage, Notch regulates the intra-lineage pIIa/pIIb fate decision at cytokinesis.
Elise Houssin, Mathieu Pinot, Karen Bellec, Roland Le Borgne   +3 more
doaj   +1 more source