Traveling dentist O'Connell traverses South America on his motorcycle for the 'Eversmile' foundation of New Jersey, in a fight not only against cavities, but also against fear, ignorance, indifference - and established antediluvian dentists. During a stop at a lonesome garage he meets Estella, who is supposed to marry a few days later. However she'd rather come with him - to meet a former boyfriend in another town, she says. Expecting problems, he refuses to take her, but she tricks him into it and then tries hard to convince him of her qualities and let her stay with him.

After drawing Betty Boop, Max Fleischer (live-action) leaves the studio; Betty and Koko try amateur dentistry, releasing enough laughing gas to convulse the 'real world.'

In a 2012 joint investigation by FRONTLINE and the Center for Public Integrity, correspondent Miles O’Brien uncovers the shocking consequences of a broken dental care system. Poor children, entitled by law to dental care, often cannot find a dentist willing to see them. Others kids receive excessive care billed to Medicaid, or major surgery for preventable tooth infections. For adults with dental disease, the situation can be just as dire and bankrupting. While millions of Americans use emergency rooms for dental care, corporate dental chains are filling the gaps in care, and in some cases have allegedly overcharged patients or loaded them with high priced credit card debt.

A story of a circus clown with a toothache dramatizes the need for proper dental care. The dentist's work of repairing the cavity is demonstrated. For elementary grades. Part of the "Joy of Growing" series.