Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test (DAT) with our comprehensive practice test. Study effectively with flashcards and multiple-choice questions, each with detailed hints and explanations. Get ready to ace your exam and secure your future in dentistry!

Practice this question and more.

What is the primary ingredient in most toothpaste that aids in fighting cavities?

Calcium carbonate
Fluoride
Sodium lauryl sulfate
Vitamins

The correct answer is: Fluoride

The primary ingredient in most toothpaste that effectively fights cavities is fluoride. Fluoride is a mineral that helps to remineralize tooth enamel, making it more resistant to decay caused by acid-producing bacteria in the mouth. When fluoride is incorporated into toothpaste, it works by strengthening the tooth structure and reducing the ability of harmful bacteria to produce acid that can lead to cavities. In addition to aiding in the prevention of cavities, fluoride can also help reverse early signs of tooth decay. Many dental health organizations recommend the use of fluoride as a crucial part of oral hygiene practices for both children and adults to maintain strong and healthy teeth. While other ingredients like calcium carbonate can serve as abrasives to help clean teeth, sodium lauryl sulfate acts as a foaming agent, and vitamins are not commonly recognized as effective against cavities, it is fluoride that plays the most significant role in cavity prevention.