Angled, Rather Than Vertical, Bristle Tuft Arrangements Have Been Shown

question 8

Multiple Choice

Angled, rather than vertical, bristle tuft arrangements have been shown to contribute significantly to more effective plaque removal because they reach farther interproximally.
Toothbrushing alone can clean the entire interproximal tooth surface, so interdental cleaning
Augments are not needed.

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

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Definitions:

Dendritic Length

Dendritic length refers to the extent of a neuron's dendrites, which are branching structures receiving signals from other neurons; variations in dendritic length can affect the neuron's connectivity and functionality.

Dendritic Spine Density

A measure of the number of dendritic spines (small outgrowths from neurons) per unit length of dendrite, important for synaptic strength and neural connectivity.

Cocaine

A powerful and illegal stimulant drug derived from the leaves of the coca plant, known for its addictive properties and ability to increase levels of dopamine in the brain.

AMPA Receptor

The AMPA receptor is a type of glutamate receptor in the central nervous system that plays a crucial role in fast synaptic transmission and plasticity, contributing significantly to learning and memory.