Selective Polishing Is Recommended,because The

question 16

Multiple Choice

Selective polishing is recommended,because the:

• A)abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer.
• B)abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer.
• C)abrasive agent used during coronal polishing impedes uptake of fluoride by the outer layer of enamel.
• D)fluoride contained in the abrasive agent is not taken up by the teeth.

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Definitions:

Intercalated Discs

Specialized structures in cardiac muscles that connect cardiac muscle cells to each other, facilitating synchronized contraction of the heart.

Autorhythmicity

The ability of certain cells, especially cardiac muscle cells, to generate a rhythmical impulse spontaneously.

Mitral Valve Prolapse

A condition in which the mitral valve of the heart does not close properly, sometimes causing blood to leak backward into the left atrium.

Left Atrium

The left atrium is the top left section of the heart, responsible for receiving blood rich in oxygen from the lungs and transferring it to the left ventricle.