EW Healthcare Partners has led an $85 million financing round for Sonendo, according to a news release.

Sonendo, based in Laguna Hills, Calif., is a dental technology company. Its solutions include the GentleWave System for root canal therapy.

EW, based in New York, is a private healthcare growth equity firm. Established in 1985, the firm seeks to make investments in commercial-stage companies in the pharmaceutical, medical device, diagnostics, and technology-enabled services sectors in the United States and Europe.

Joining EW in the investment round were several new investors, including Redmile Group, ArrowMark Partners and Broadfin Capital, and a number of existing investors, including General Atlantic, Orbimed Advisors, Meritech Capital Partners, CVF, NeoMed Management, Perceptive Advisors, JMR Capital, SEB Private Equity and Security Pacific Finance.