[3] By April 2007, there were 106 branded practices in Arizona, Connecticut, Indiana, Maine, Massachusetts, New Hampshire, New York, Ohio, Pennsylvania, and Rhode Island.

[10] Between October 2010 and July 2015, Aspen settled with state consumer protection authorities in Pennsylvania, New York and Massachusetts and agreed to pay reimbursements to former patients and financial contributions to consumer protection probes in those states without admitting fault or wrongdoing.

[11][12] In June 2012, a PBS series entitled Dollars and Dentists[3] produced by Frontline in partnership with the Center for Public Integrity described Aspen Dental's business model as one where dental services are advertised at steep discounts, but where patients were subsequently overcharged or given unnecessary treatments.

[17] The lawsuit accused Aspen of violating laws in 22 states which allow only dentists to own a dental practice.

[20] In December 2020, lawsuits were filed against Aspen for negligence after an employee allegedly hid cameras in the office washroom at a practice in Illinois.