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Xylitol-containing chewing gums reduce caries rates by inhibiting microbial growth.The dental hygienist should recommend antacids and cough drops as salivary substitutes because they have anticariogenic properties.
Experimenters
Individuals who conduct experiments to test hypotheses or observe phenomena under controlled conditions.
Random Assignment
A method used in experiments to place participants into different groups using chance, ensuring that each group is equally likely to receive different treatments.
Intelligence
The ability to acquire knowledge, solve problems, and use reasoning to adapt to new situations.
Test Difficulty
A measure of how challenging a test or examination is, often determined by the proportion of test-takers who answer each item correctly.
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