________ collapse occurs near the middle of the floor and creates voids on the perimeters

A) Pancake
B) Lean-to
C) V-type
D) Unsupported floor

C

Health Professions

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Systemic fluoride can be found in

fluoridated water. topical fluoride. disclosing tablets. fluoride rinses.

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External pacing is also referred to as ________ pacing.

A. transcutaneous B. supraventricular C. subcutaneous D. anterior

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