Nashville, Tenn.-based teledentistry company SmileDirectClub LLC received $380 million in capital led by private equity firm Clayton Dubilier & Rice LLC.

The equity private placement, which brings the valuation of the at-home, doctor-directed aligner therapy provider to $3.2 billion, was also contributed to by Kleiner Perkins Caufield & Byers and Spark Capital Partners LLC.

Rick Schnall, a partner at Clayton Dubilier & Rice, will join SmileDirectClub's board.

The investment will be used in part for the company's innovation, research and development, and expansion in the international market.

Prior to the transaction, the dental care company was primarily self-funded through Camelot Venture Group.

Clayton Dubilier & Rice targets businesses in the consumer, retail, healthcare, industrials and services sectors.

J.P. Morgan served as sole placement agent to SmileDirectClub.