Results 51 to 60 of about 2,043,462 (275)

Three-dimensional assessment of maxillary first molar morphology in a South Indian population

open access: yesJournal of Oral Research and Review
Background: Root canal morphology often perceived as complex, can be effectively assessed using the cone-beam computed tomography (CBCT). In endodontics, CBCT provides high-resolution three-dimensional visualization of root canal systems, enabling the ...
Jinu Gijo   +5 more
doaj   +1 more source

Perawatan endodontik pada gigi molar kedua mandibula dengan konfigurasi saluran akar berbentuk-C

Endodontic treatment of mandibular second molar with a C-shaped root canal configuration

open access: yesJurnal Kedokteran Gigi Universitas Padjadjaran, 2020
ABSTRAK Pendahuluan: Keberhasilan perawatan endodontik membutuhkan pengetahuan yang tepat mengenai berbagai morfologi sistem saluran akar. Variasi sistem saluran akar tidak selalu terjadi dalam variasi jumlah saluran, melainkan juga dalam konfigurasi ...
Aya Amida, Rahmi Alma Farah Adang
doaj   +1 more source

Root Anatomy and Root Canal Configuration of Human Permanent Mandibular Premolars: A Systematic Review

open access: yesAnatomy Research International, 2013
Introduction. Mandibular premolars have been reported with complex anatomical aberrations, making them one of the most difficult teeth to manage endodontically. Methodology. An exhaustive search was undertaken to identify associated anatomic studies of mandibular premolars through MEDLINE/PubMed database using keywords, and a systematic review of the ...
Kottoor, Jojo   +3 more
openaire   +2 more sources

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

Management of a permanent maxillary first molar with unusual crown and root anatomy: a case report [PDF]

open access: yesRestorative Dentistry & Endodontics, 2018
The aim of this article was to showcase the endodontic management of a maxillary first molar with an unusual crown and root anatomy. Clinical diagnosis of the roots and root canal configuration was confirmed by a cone-beam computed tomography (CBCT) and ...
Prateeksha Chowdhry   +2 more
doaj   +1 more source

Intrapatient tumour heterogeneity and clonal evolution in an autopsy study of metastatic salivary gland cancer

open access: yesMolecular Oncology, EarlyView.
Tumour heterogeneity and clonal evolution of metastatic salivary gland cancer were evaluated in two patients with adenoid carcinoma and one patient with myoepithelial carcinoma. Radiology‐guided autopsy enabled multi‐region sampling (total samples n = 149), followed by whole‐genome sequencing and phylogenetic reconstruction (17 tumour samples, 4–7 per ...
Gerben Lassche   +10 more
wiley   +1 more source

Accurate and noninvasive prostate cancer detection using plasma‐derived extracellular vesicle RNA

open access: yesFEBS Open Bio, EarlyView.
Plasma extracellular vesicles were captured with WGA‐conjugated magnetic beads and profiled for RNA biomarkers. A three‐RNA panel (NM_024955, NR_047469, and NR_002564) distinguished prostate cancer from healthy controls and benign prostatic hyperplasia, supporting a simple, noninvasive approach to improve prostate cancer detection.
Hanping Wei, Haoran Wu, Wei Feng
wiley   +1 more source

Endodontic Treatment of the Mandibular First Molar with Six Roots Canals – Two Case Reports and Literature Review [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2015
The most common configuration of the mandibular first molar is the presence of two roots and three root canals. The objective of this work is to present two rare anatomic configurations with six root canals on two mandibular left first molars diagnosed ...
Jorge N.R. Martins, Craig Anderson
doaj   +1 more source

Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level

open access: yesAging and Cancer, EarlyView.
This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley   +1 more source

PENATALAKSANAAN GIGI PREMOLAR KEDUA MAKSILA DENGAN SALURAN AKAR VERTUCCI TIPE V - laporan Kasus

open access: yesODONTO: Dental Journal, 2014
Background: The aim of the case report is to demonstrate the importance of knowing the root canals configuration in the maxillary second premolars. Maxillary second premolars usually have one root canal, however in several cases there is more than one ...
Arlina Nurhapsari
doaj   +1 more source

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