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Tooth point cloud resampling method based on divergence index and improved euclidean clustering rule.
Phys Med Biol
December 2024
The Second Affiliated Hospital of Harbin Medical University, Harbin, People's Republic of China.
Article Synopsis
- - In endodontic therapy, 3D Cone Beam CT (CBCT) combined with oral scans provides precise guidance for root canal treatments, but CBCT often has limited data points for effective fusion with scans.
- - The research developed a new resampling method (DI-IECR) that significantly improves the alignment and accuracy of 3D tooth models by reducing the average distance between resampled point clouds and dental scan data by about 20%.
- - This study highlights that the DI-IECR technique ensures a balanced representation of tooth features without wasting resources on unimportant details, enhancing the overall quality of CBCT data when used during dental procedures.
Ring Currents in the Clar Goblet Calculated Using Configurational State Averaging.
J Phys Chem A
November 2024
Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K.
The closed-shell Hückel-London-Pople-McWeeny formalism for ring currents is extended to Aufbau configurations with open shells calculated as configurational averages. The method is applied to the non-Kekulean benzenoid known as the Clar goblet, recently synthesized on the Au(111) surface. Multiplicity of the ground state is a complication: for the Clar goblet, Hund's rule of maximum multiplicity implies a triplet whereas Ovchinnikov's rule implies a singlet.
View Article and Find Full Text PDFHypertension care cascade and their determinants among older adolescents in India: evidence from a nationally representative cross-sectional survey.
J Hum Hypertens
October 2024
Indian Institute of Public Health- Delhi, Public Health Foundation of India, New Delhi, India.
Adolescent hypertension in India is an emergent public health concern with lack of programmatic focus on regular screening amongst both individuals and healthcare providers. This study was conducted to assess the hypertension care cascade (prevalence, awareness, treatment and control status of hypertension) from nationally representative data. We used data from the demographic and health surveillance (DHS) comprising India's National Family Health Survey Fifth Round (2019-2021).
View Article and Find Full Text PDFBradyarrhythmia after treatment with atenolol and mirtazapine in a cat with hypertrophic cardiomyopathy.
J Vet Cardiol
June 2024
Department of Veterinary Sciences, University of Parma, Via del Taglio 10, 43126 Parma, Italy.
A nine-year-old spayed female domestic shorthair cat with a previous diagnosis of hypertrophic cardiomyopathy and treated for one month with atenolol (6.25 mg q 12 h) was referred for respiratory distress and anorexia. The cat was diagnosed with pulmonary oedema secondary to obstructive hypertrophic cardiomyopathy.
View Article and Find Full Text PDFObservation of Seven Astrophysical Tau Neutrino Candidates with IceCube.
Phys Rev Lett
April 2024
Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Article Synopsis
- - The study presents a measurement of astrophysical tau neutrinos using 9.7 years of data from the IceCube observatory, identifying seven candidate events with energies between 20 TeV and 1 PeV.
- - Convolutional neural networks were used to analyze simulated event images, helping to estimate the parent tau neutrino energy to be around 200 TeV while facing a background of about 0.5 events primarily from non-tau astrophysical neutrinos.
- - The results confirmed the presence of astrophysical tau neutrinos at a 5σ significance level, aligning with existing IceCube measurements and theoretical predictions regarding neutrino flux and oscillations.
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