Dntl Bar's new president and three other dental appointments to know:

BioDental, a dental technology company, has rebranded as Cayster and appointed Mark Thorne president and COO. 

Sage Dental's Senior Vice President and Chief Clinical Officer Cindy Roark, DMD, has joined Harvard School of Dental Medicine's board of fellows.

Mobile intelligence technology company Engage Technologies Group selected Derek Johnson as Engage Dental's new vice president.

A dental school appointed a leader for its international dentist program and Tab32 appointed a new operations executive.

North American Dental Group's new chief development officer and two other dental leadership moves from last week:

J. Don Spillers Jr., DMD, has been appointed to the Georgia Board of Dentistry.

Pittsburgh-based DSO North American Dental Group has named Todd Nickerson chief development officer.

The Aspen Group's new chief human resources officer and three other dental leadership moves since Jan. 24:  

Chase Drossos of Dental365 is going from controller to vice president of finance.

Planet DDS appointed its first chief marketing officer and four other dental leadership moves to know:

Bilal Bazzi has been named Tend's first COO.

Jason Martin became Vista Verde Dental Partners' vice president of field operations Jan. 10.

Lance Shopovick, former senior vice president of Chicago-based DSO Aspen Dental, has joined Elite Dental Partners as its next president and COO, Elite Dental said Jan. 10. 

Former Dentsply Sirona Clinical Officer Teresa Dolan, DDS, has joined Overjet as chief dental officer.

The New York University College of Dentistry in New York City has launched the NYU Pain Research Center and appointed Rajesh Khanna, PhD, as its director.

Clark Stanford, DDS, PhD, dean of the University of Illinois-Chicago College of Dentistry, is stepping down from his position in April to lead the University of Iowa College of Dentistry in Iowa City, the Chicago-based school said Jan. 4. 

Dental artificial intelligence company Pearl has added Mike Buckner as senior vice president of partnerships, the Los Angeles-based company said Jan. 4. 

Three dental groups recently appointed new leadership: 

This year, dental companies and organizations named new CEOs, directors, vice presidents and more.