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366 Dental

Dynamic creep is the

AContinuing alloying between silver-tin alloy and mercury during the life of restoration
BDeformation of set amalgam during function
CProcess whereby alloy is "wetted" by mercury
DSpread of amalgam during packing
Dental
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369 Dental

A mother and her 4 year old son are seated alone in a reception area with the child staring off into space, rocking and constantly twisting a strand of hair about his fingers. Upon entry of another person, the child begins to beat his fist against the side of his face and behaves as though he does not hear his mother speaking to him. This behavior is most characteristic of:

AAn autistic child
BA mentally retarded child
CFirst dental appointment anxieties of a 4 year old child
DA child with a chronic seizure disorder
Dental
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