placa superior
1. In dentistry, a denture or prosthetic device that replaces the upper teeth and covers the hard palate
The patient received a new upper plate after losing all their upper teeth.
O paciente recebeu uma placa superior nova após perder todos os dentes superiores.
2. In geology and plate tectonics, the upper of two tectonic plates in a subduction zone
The upper plate moves over the subducting lower plate, creating earthquakes.
A placa superior se move sobre a placa inferior em subducção, criando terremotos.
3. A general term for any upper horizontal surface, plate, or layer in machinery, construction, or scientific contexts
The upper plate of the microscope stage holds the specimen.
A placa superior do estágio do microscópio mantém a amostra.
In both Brazilian and American dental practices, the term 'upper plate' is commonly used when discussing dentures or removable prosthetics. In geological contexts, it is a technical term essential to understanding earthquake science and plate tectonics, particularly important in seismically active regions like Brazil (Amazon region) and the United States (Pacific coast).
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