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General Medicine
Although the question mentions that hypoprothrombinemia is associated with vitamin K deficiency, the most common congenital cause of hypoprothrombinemia is actually deficiency of factor II, which is vitamin K-dependent. Vitamin K deficiency can le
Dental Materials
The particle size of the fillers in composite materials affects their physical and handling properties. Conventional composites have larger filler particles, while microfilled and hybrid composites have smaller ones. The text provides the typical
Dental Materials
A large expansion can take place if the amalgam is contaminated by moisture during trituration or condensation, known as delayed expansion or secondary expansion.