Lobbyists can have a strong influence on what gets passed and what doesn't in government.

But when the California Dental Association sinks its teeth into an issue, it can be particularly powerful.

Last year, the organization spent over $664,000 to lobby in the state, more than either the pharmaceutical industry or movie studios.

Parents Tim and Eliza Sears faced that the hard way when trying to advocate for a new bill following the death of their 6-year-old son Caleb.

Laurel Rosenhall from CALmatters joins Take Two with more of the story.