The DSO handles marketing, human resource support, accounting and billing, spreading costs efficiently across several practices.

FORBES: A Private Sector Healthcare Solution That We Can Smile About

He was awarded the Distinguished Service Order (DSO) in June 1944 and Mentioned in Despatches in January 1944.

BBC: Daring World War II pilot Ken Gatward's medals auctioned

In 2011, DSOs performed 10.15 procedures per patient, DSO Kool Smiles (which Laffer openly noted funded the study but had no input) performed 8.24 and non-DSO dentists performed 12.39.

FORBES: George Soros & PBS V. Arthur Laffer

At February 1, 2013, November 2, 2012, and February 3, 2012, DSO and days of customer shipments not yet recognized were 42 and 4 days, 41 and 4 days, and 39 and 3 days, respectively.

ENGADGET: Dell reports Q4 2013 earnings: $14.3 billion in revenue as profits plummet 31 percent year-over-year