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Evaluating the risk of extrusion with laser-activated irrigation techniques in root canal systems: a cadaver-based study.
Clin Oral Investig
January 2025
Department of Endodontics, Texas A&M College of Dentistry, Dallas, Texas, USA.
Objectives: The objective of this study is to evaluate the incidence and volume of contrast medium extrusion when activated with a laser and to compare these outcomes with those of other irrigation techniques.
Materials And Methods: Sixteen cadaver mandibles containing 116 single-rooted teeth were prepared using conventional rotary instrumentation. The teeth were randomly assigned to four irrigation groups: side-vented needle, sonic irrigation, laser activation at the orifice, and laser activation at the middle third of the canal.
Heterogeneity analysis and prognostic model construction of HPV negative oral squamous cell carcinoma T cells using ScRNA-seq and bulk-RNA analysis.
Funct Integr Genomics
January 2025
Department of Oncology, the First People's Hospital of Qujing City/the Qujing Affiliated Hospital of Kunming Medical University, 1 Yuanlin Road, Qujing, Yunnan, China.
Background: T cells are involved in every stage of tumor development and significantly influence the tumor microenvironment (TME). Our objective was to assess T-cell marker gene expression profiles, develop a predictive risk model for human papilloma virus (HPV)-negative oral squamous cell carcinoma (OSCC) utilizing these genes, and examine the correlation between the risk score and the immunotherapy response.
Methods: We acquired scRNA-seq data for HPV-negative OSCC from the GEO datasets.
Orolingual myorhythmia, the "frog sac" sign.
Acta Neurol Belg
January 2025
Department of Sciences and Engineering, University of Guanajuato, León, México.
Deep Convolutional Neural Networks on Multiclass Classification of Three-Dimensional Brain Images for Parkinson's Disease Stage Prediction.
J Imaging Inform Med
January 2025
Department of Anesthesiology, E-Da Cancer Hospital, I-Shou University, Kaohsiung, Taiwan.
Parkinson's disease (PD), a degenerative disorder of the central nervous system, is commonly diagnosed using functional medical imaging techniques such as single-photon emission computed tomography (SPECT). In this study, we utilized two SPECT data sets (n = 634 and n = 202) from different hospitals to develop a model capable of accurately predicting PD stages, a multiclass classification task. We used the entire three-dimensional (3D) brain images as input and experimented with various model architectures.
View Article and Find Full Text PDFMental health and help-seeking behaviors among Mozambican youth: insights from a post-pandemic National Survey Amidst Internal Conflict.
Soc Psychiatry Psychiatr Epidemiol
January 2025
Research Center for Child Psychiatry, University of Turku, Turku, Finland.
Purpose: This study aimed to investigate the prevalence and sociodemographic determinants of major depressive disorder (MDD) and generalized anxiety disorder (GAD) among Mozambican youth aged 15-24 years, as well as their help-seeking behaviors.
Methods: Data from 8,154 youth participants in the 2022-23 Mozambique Demographic Health Survey were analyzed. MDD and GAD were assessed using the PHQ-9 and GAD-7 scales, respectively.
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