Which of the following seems to be the best reason for the marked decrease in children's tooth decay during the past 20 years?

Question

Quizplus · Accepted Answer

The increased use of sealants on the rough, chewing surfaces of children's teeth helps to prevent tooth decay by creating a protective barrier. This has been one of the major changes in dental practices in the past 20 years and has been shown to significantly decrease tooth decay in children. While regular brushing and flossing and improved nutrition and eating habits can also contribute to better oral health, they may not be the primary reason for the marked decrease in children's tooth decay. Option D is incorrect as tooth decay has decreased over the past 20 years, not increased.

Which of the Following Seems to Be the Best Reason