Long-range, non-local switching of spin textures in a frustrated antiferromagnet.

Antiferromagnetic spintronics is an emerging area of quantum technologies that leverage the coupling between spin and orbital degrees of freedom in exotic materials. Spin-orbit interactions allow spin or angular momentum to be injected via electrical stimuli to manipulate the spin texture of a material, enabling the storage of information and energy. In general, the physical process is intrinsically local: spin is carried by an electrical current, imparted into the magnetic system, and the spin texture will then rotate in the region of current flow. In this study, we show that spin information can be transported and stored "non-locally" in the material FexNbS2. We propose that collective modes can manipulate the spin texture away from the flowing current, an effect amplified by strong magnetoelastic coupling of the ordered state. This suggests a novel way to store and transport spin information in strongly spin-orbit coupled magnetic systems.

Prevalence of peri-implant disease on platform switching implants: a cross-sectional pilot study.

The objective of this study was to assess the prevalence of mucositis and peri-implantitis associated with the use of two types of implants-conventional versus platform switching after one year of loading. A longitudinal study of 64 implants in 25 patients was performed. Clinical variables, such as clinical pocket depth and bleeding upon probing, plaque, mobility, gingival recession, clinical attachment loss, and radiographic bone loss, were analyzed. The case definition for peri-implantitis was established as pockets of ≥ 5 mm with bleeding and bone loss ≥ 2 mm. One year after implant loading, the prevalence of mucositis and peri-implantitis with conventional implants (CIs) was 81.2% and 15.6%, respectively. For platform switching implants (PSIs) the prevalence was 90% and 6.6%, respectively. These differences were not statistically significant (p = 0.5375). However, there was a trend towards a lower prevalence of peri-implantitis with platform switching Implants.

Prevalence of peri-implant disease on platform switching implants: a cross-sectional pilot study

The objective of this study was to assess the prevalence of mucositis and peri-implantitis associated with the use of two types of implants—conventional versus platform switching after one year of loading. A longitudinal study of 64 implants in 25 patients was performed. Clinical variables, such as clinical pocket depth and bleeding upon probing, plaque, mobility, gingival recession, clinical attachment loss, and radiographic bone loss, were analyzed. The case definition for peri-implantitis was established as pockets of ≥ 5 mm with bleeding and bone loss ≥ 2 mm. One year after implant loading, the prevalence of mucositis and peri-implantitis with conventional implants (CIs) was 81.2% and 15.6%, respectively. For platform switching implants (PSIs) the prevalence was 90% and 6.6%, respectively. These differences were not statistically significant (p = 0.5375). However, there was a trend towards a lower prevalence of peri-implantitis with platform switching Implants.

Evaluación de la aceptación de la técnica de sedación inhalada con oxido nitroso por parte de padres y niños entre los 4 y 12 años de edad / Evaluation of the acceptance of nitrous oxide inhalation technique by parents and children between 4 and 12 years of age

El propósito del estudio fue evaluar el beneficio de la técnica en términos de la aceptación y percepción tanto de la madre o acudiente, como del paciente, sobre la técnica de sedación inhalada con óxido nitroso en individuos sometidos a tratamiento odontológico invasivo. Se seleccionó una muestra aleatoria de 50 pacientes entre 4 y 12 años de edad estimada a partir de la proporción esperada de niños de comportamiento motor adecuado, tomando como referencia los niños de la ciudad de Medellín entre 4 y 12 años de edad. Para evaluar la aceptación y percepción tanto de madres como de pacientes se elaboraron dos cuestionarios previamente validados con la asesoría de especialistas en la evaluación y valoración de pruebas del Centro de Psicometría de la Facultad de Psicología del CES. Los resultados encontrados en esta investigación indican la alta aceptación y valoración de la técnica de sedación inhalada con oxido nitroso por parte de madres y pacientes pediátricos siendo esta considerada segura y satisfactoria para ambos...