When Incisors First Erupt the Incisal Ridge Is Smooth

question 23

Multiple Choice

When incisors first erupt the incisal ridge is smooth. After the teeth have been in function for several months, mamelons, which aid in mastication, develop on the incisal ridge.

• A) Both statements are true.
• B) The first statement is true; the second is false.
• C) The first statement is false; the second is true.
• D) Both statements are false.

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Definitions:

Factor Prices

The prices of inputs used in the production of goods or services, such as labor, capital, and raw materials.

Marginal Cost

The cost added by producing one additional unit of a product or service.

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit of a good changes as production volume changes.

Total Fixed Costs

Expenses that do not change with the level of output or sales, such as rent, salaries, and insurance premiums.