Why Does the Addition of Fluoride to Municipal Water Supplies

question 5

Multiple Choice

Why does the addition of fluoride to municipal water supplies greatly reduce tooth decay in the population?

• A) fluoride speeds tooth demineralization by degrading the enamel
• B) tooth veneer with fluoride is more resistant than the natural hydroxyapatite of the enamel
• C) fluoride serves as a good antiseptic in reducing the number of acid-producing bacteria in the oral cavity
• D) fluoride acts like chlorine and kills bacteria in the water supply

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Definitions:

Manufacturing Costs

Expenses directly tied to the production of goods, including labor, materials, and manufacturing overhead.

Cost of Goods Manufactured

The total production cost of goods completed and moved to finished goods inventory within a specific period, including materials, labor, and overhead.

Factory Overhead

The indirect manufacturing costs that are not directly tied to the production of goods, such as maintenance, utilities, and salaries for support staff.

Depreciation

Depreciation is the accounting method of spreading out the cost of a tangible asset over its useful life, recognizing the asset's gradual loss of value over time.