which of the following may happen if a newly placed amalgam contracts excessively? group of answer choices it can put pressure on the cusps. it will open gaps at the margins, contribute to leakage of fluids and bacteria, and cause sensitivity. it can cause pain with biting pressure. it can result in fracture of the cusps.

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10-11-2022
Biology

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which of the following may happen if a newly placed amalgam contracts excessively? group of answer choices it can put pressure on the cusps. it will open gaps at the margins, contribute to leakage of fluids and bacteria, and cause sensitivity. it can cause pain with biting pressure. it can result in fracture of the cusps.

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contexto1212 contexto1212 · Answer 1 · 2022-11-18T11:41:40-05:00

It will cause sensitivity, widen gaps at the margins, and aid in fluid and bacterial leakage. A newly placed amalgam's dimensions should ideally not alter.

If it contracts too much, it will create cracks at the edges that allow fluids and bacteria to flow out and cause sensitivity. The functional amalgam characteristics deteriorate as a result of corrosion processes, whereas discoloration results from tarnishing reactions. Localized corrosion cells in holes and crevices are the primary cause of the corrosion degradation of amalgam fillings. Only the non-high-copper lathe-cut alloy amalgam containing zinc experienced delayed excessive expansion and deterioration of the physical qualities due to moisture contamination; neither the new high-copper amalgam nor the non-high-copper spherical alloy amalgam did.

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