When Is a Slow-Speed Motor with Contra-Angle Handpiece Attachment Used

question 8

Multiple Choice

When is a slow-speed motor with contra-angle handpiece attachment used?

• A)Remove decay.
• B)Cut a tooth with decay.
• C)Remove existing crowns or bridges.
• D)Grind veneers down for replacement.

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Definitions:

Spinal Canal

The hollow space within the vertebrae through which the spinal cord passes.

Notochord

A notochord is a flexible, rod-shaped structure found in the embryos of all chordates. Notochords served as the first “backbones” in early chordates, and in extant vertebrates the embryonic notochord becomes part of the vertebral column.

Primitive Brain

An early stage in the evolution of the brain, characterized by basic structures that control fundamental life functions, seen in lower animals.

Turgor Pressure

The pressure of water inside plant cells against the cell wall, which contributes to the stiffness of plant tissues and is essential for plant stability and nutrient uptake.