Which of the Following Statements Regarding Oral Health in Early

Multiple Choice

Which of the following statements regarding oral health in early childhood is FALSE?

A) Since the 1970s,there has been a dramatic reduction in tooth decay with a slight reverse in this trend since the 1990s.
B) Pain resulting from oral infection can slow growth by interfering with normal sleeping and eating patterns.
C) Children from middle-class families have more untreated cavities than other children.
D) Thumb-sucking past age 4 can affect the permanent teeth.