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Vertical root fractures and cracked teeth: post-endodontic root dentinal status through micro-CT assessment after ex vivo fiber post removal.
Clin Oral Investig
December 2024
Departament of Clinic Dentistry, UFF- Universidade Federal Fluminense, Niterói, RJ, Brazil.
Objectives: This study aimed to investigate cracked teeth and vertical root fracture observable on micro-CT images of extracted roots of mandibular incisors, after fiber post removal.
Materials And Methods: Thirty mandibular incisors were selected with any degree of slight incisal wear inspected with the aid of a stereomicroscope under 12x magnification, in order to have a group of young adult specimens according to the criteria of Hugoson et al. A sample of twelve mandibular incisors were selected, aged between 20 and 30 years old, with similar dentine volume and thickness.
In vivo dual-plane 3-photon microscopy: spanning the depth of the mouse neocortex.
Biomed Opt Express
December 2024
The Sainsbury Wellcome Centre for Circuits and Behaviour, University College London, 25 Howland Street, W1T 4JG, London, United Kingdom.
Cortical computations arise from patterns of neuronal activity that span across all cortical layers and cell types. Three-photon excitation has extended the depth limit of imaging within the mouse brain to encompass all cortical layers. However, simultaneous three-photon imaging throughout cortical layers has yet to be demonstrated.
View Article and Find Full Text PDFGreen Synthesis, Characterization and Pharmaceutical Applications of Biocompatible Zinc Oxide Nanoparticles Using Stocks.
Pharmaceuticals (Basel)
October 2024
Department of Silviculture, Forestry and Game Management Research Institute, Na Olivě 550, 517 73 Opočno, Czech Republic.
Zinc oxide nanoparticles are safe, non-toxic, and biocompatible. These NPs are used in food packaging materials, self-cleaning glass, ceramics, deodorants, sunscreens, paints, coatings, ointments, lotions, and as preservatives. This study explored the biological potential of ZnO nanoparticles synthesized using .
View Article and Find Full Text PDFEvaluation of digital radiographic measurements for the diagnosis of acute laminitis.
Equine Vet J
November 2024
Department of Clinical Studies-New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, Pennsylvania, USA.
Background: Traditional radiographic measurements of distal phalanx (Pd) displacement based on the outer hoof wall are not useful for diagnosis of acute laminitis.
Objectives: We hypothesised that the distance between the inner hoof wall and Pd ('lamellar lucent zone'; LLZ) measured on lateromedial digital radiographs would be increased in horses with acute and subacute laminitis compared with healthy horses.
Study Design: Retrospective cohort study and in vivo experimental study.
Unveiling the correlation between in vivo endodontic reciprocate instrumentation and crack formation.
J Dent
November 2024
Department of Endodontics, CEOM/ IMED Dental School, Meridional College, Passo Fundo, RS, Brazil.
Introduction: Dentinal microcracks have been supposedly associated with unrestorable vertical root fractures and consequently long-term treatment failure. This study aimed to investigate whether in vivo root canal instrumentation in mandibular incisors with vital pulps causes dentinal microcracks using two different irrigating solutions.
Methods: Five patients with four vital mandibular incisors indicated for extraction were included.
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