Sonendo Inc. appointed Michael Watts chief financial officer. He most recently served in the same position at Signal Hill-based The HydraFacial, a manufacturer of non-invasive equipment and consumables used in aesthetic skin treatments.

Laguna Hills-based Sonendo develops dental technologies. Its commercially available GentleWave System uses multiple sound waves and irrigation fluids to clean and disinfect roots.

Watts replaced John “Jack” Glenn. Glenn served for one year, according to his LinkedIn profile. Sonendo didn’t immediately respond to an inquiry about Glenn’s departure.