The pathophysiology of spontaneous upbeat (UBN) and downbeat (DBN) nystagmus is reviewed in the light of several instructive clinical findings and experimental data. UBN due to pontine lesions could result from damage to the ventral tegmental tract (VTT), originating in the superior vestibular nucleus (SVN), coursing through the ventral pons and transmitting excitatory upward vestibular signals...

The aim of this study was to evaluate skeletal, dentoalveolar, and soft tissue profile changes with activator and high-pull headgear combination therapy in patients with Class II malocclusions caused by maxillary prognathism and mandibular retrognathism. The subjects, all in the mixed dentition, were selected from a single centre and were divided into two groups: 28 patients were treated with a...

In this study, we established a low-cost, high-precision process for fabricating all-metal substrates supermirrors neutron focusing. The key material substrate is amorphous plating, which can be polished to achieve the sub-nm surface roughness required fabricate multilayer supermirrors, and phosphorus-rich electroless Ni-P plating. This fabrication was through multiple prototypes of focusing mi...