Why does turtle go to the dentist in the westing game?

In "The Westing Game" by Ellen Raskin, Turtle Wexler goes to the dentist because she has a loose tooth that is causing her discomfort. Her visit to the dentist is significant as it also serves as a plot device to highlight her character's bravery and determination, as she endures the dental procedure without fear. Additionally, it underscores her young age and the innocence of childhood amidst the complex adult themes of the story.