Every investment comes with a level of uncertainty. For potential SmileDirectClub investors, chief among those risks are its young age, breakneck growth and the fact that it's never turned a profit.
That's according to SmileDirectClub, which outlined those and other risks in paperwork filed to announce its intent to become a publicly traded company.
The direct-to-consumer company, which ships clear aligners to customers across the U.S. as an alternative to traditional braces, filed its initial…