The ADA Health Policy Institute Dental Office Database is based on all practicing dentists in the U.S. that HPI can assign at least one practice location address. It includes analysis of 191,669 out of 202,401 practicing dentists in the U.S. Read more about the methodology here.
Here is the percentage of dentists in eight specialties that are affiliated with a DSO:
General practice dentistry: 13 percent
Endodontics: 12 percent
Oral and maxillofacial surgery: 13 percent
Orthodontics: 18 percent
Pediatric dentistry: 11 percent
Periodontics: 10 percent
Prosthodontics: 9 percent
Other: 8 percent
