Accurate Margins of an Extracoronal Provisional Restoration Are Important Because

question 21

Multiple Choice

Accurate margins of an extracoronal provisional restoration are important because:

• A) they keep food from packing into the embrasure
• B) they maintain occlusion and prevent supereruption
• C) they maintain accurate contour
• D) they protect the tooth from microleakage

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Definitions:

Direct Labor

Costs associated with the employees who are directly involved in the production of goods or services.

Indirect Labor

Labor costs associated with support work that does not directly contribute to the production of goods or provision of services but is necessary for operations.

Direct Materials

Raw materials that can be directly traced to the production of specific goods or services.

Indirect Materials

Materials used in the production process that are not directly traceable to the finished product, such as lubricants and cleaning supplies used in machinery.