"Many dentists don’t save enough and will run out of money when they sell their practices, according to Chris Sands, a partner at Pro-Fi 20/20 Dental CPAs, a Suwanee, Ga.-based accounting firm that serves dental practices nationally.

Instead, Sands sees them loading up on bitcoin, backing niche dental-technology companies and pouring money into questionable real-estate ventures.

“A lot of dentists want to throw a dart and hope they hit it rich,” Sands said."