California, Florida and New York were the states where DSOs and dental groups were most active with practice additions and openings during September. Those states saw at least two DSO moves in September, as reported by Becker’s:CaliforniaHenderson, Nev.-based PDS Health opened five de novo practices in California. Chicago-based Aspen Dental opened a practice location in Palm Springs, Calif.FloridaPDS Health opened Regency Modern Dentistry in Jacksonville, Fla.Effingham, Ill.-based Heartland Dental added Smile Design Dentistry, which has a network of 60 offices in Florida.