Dozens of dental and healthcare executives made Forbes' 2022 "World's Billionaires List."
Forbes used stock prices and exchange rates to calculate net worths to compile a list of 2,668 billionaires.
Here is how the three richest people in dentistry compare to the richest people in healthcare:
Three richest people in dentistry
Thomas Straumann, who owns a 17 percent stake in dental implant company Straumann Holding
Overall rank: 471
Net worth: $5.6 billion
Christoph Zeller, who inherited dental products company Ivoclar Vivadent and is a past CEO
Overall rank: 1,341
Net worth: $2.3 billion
Heikki Kyostila, president of global dental equipment manufacturer Planmeca
Overall rank: 2,190
Net worth: $1.3 billion
Three richest people in healthcare
Thomas Frist Jr., MD, and family: co-founder of Nashville, Tenn.-based HCA Healthcare
Overall rank: 73
Net worth in 2022: $21.8 billion
Carl Cook, CEO of medical device manufacturer Cook Group
Overall rank: 177
Net worth in 2022: $11.1 billion
Li Ge, PhD, co-founder, chair and CEO of WuXi AppTec, a global research and manufacturing services company
Overall rank: 235
Net worth in 2022: $8.8 billion