Without killer smile job prospects may be dead.

• Position: Your Life

A killer smile can be just as important as a killer resume or a killer LinkedIn profile. According to a trending infographic on social media, a common nonverbal mistake made during job interviews--not smiling--ranked as the No. 3 blunder. Naturally, it is tough to smile when you are missing teeth. For instance, it has been noted that young working-class people in poverty-stricken areas have trouble finding jobs because they are missing some or all of their teeth.

To secure employment, many of these individuals attend Remote Area Medical (RAM) events for free dental care or to purchase dentures to improve their job prospects. "Dentures are not just for the elderly anymore," says Victoria A. Vickers, a dentist based in San Antonio, Texas, who is a member of the spokespersons network of the American College of Prosthodontists.

Prosthodontists are specialized dentists with advanced training in treating oral health issues such as replacing missing or broken teeth with implants, crowns, bridges, veneers, or dentures.

"I might see one to two young people a month who are looking to replace teeth they have lost due to dental disease," notes Vickers. "When a front tooth is missing, this becomes a big issue in getting a job. Patients lose their self-esteem and might stop looking for a job until they can get their teeth replaced."

Vickers warns that...