Smile Brands Makes Strategic Investment in DecisionOne Dental Partners

Heartland Dental Acquires Smile Design Dentistry

September 5, 2025

Healthcare Services

Heartland Dental has closed its key transaction to acquire Smile Design Dentistry, a Florida-based dental support organization (DSO) operating 60 practices. The deal expands Heartland Dental’s supported-office network in Florida and brings Smile Design practices into Heartland’s doctor-led support model and resources.

P1 Dental Partners Acquires Cornerstone Dental Partners

February 23, 2023

Dental

P1 Dental Partners, a Prairie Capital portfolio company, acquired Cornerstone Dental Partners, a 10-office dental support organization (DSO) in the greater Chicago area. The three Cornerstone owners — Mark Zieba, Jon Gregoire and Anthony Ponzio — joined P1 Dental Partners in executive leadership roles; the deal closed in December 2021 and terms were not disclosed.

Thomas H. Lee Partners and Linden Capital Partners Invest in Smile Doctors

January 5, 2022

Healthcare Services

Smile Doctors, the largest U.S. orthodontics-focused dental support organization with more than 295 locations, announced a strategic investment from Thomas H. Lee Partners. THL is investing alongside existing sponsor Linden Capital Partners in an equal partnership while affiliated orthodontists retain a significant ownership stake to support continued growth and expanded service offerings.

iSmile Dental Products Acquires Dental Savings International

June 16, 2021

Dental

iSmile Dental Products, a Sacramento-based dental distributor, has acquired Dental Savings International (DSI), a Union City, New Jersey–based full-line dental supplies distributor and e-commerce platform. The deal combines DSI's East Coast distribution capabilities with iSmile's West Coast operations to create a bicoastal platform that expands product selection and shortens delivery times for customers.

Halle Capital Management Invests in Planet Smile Partners

April 1, 2021

Dental

Halle Capital Management made a growth equity investment in Planet Smile Partners, a newly formed pediatric- and orthodontic-focused dental service organization (DSO). Planet Smile Partners will initially partner with Dentistry for Children Westchester and Dr. Gary Heitzler will serve as CEO as the platform scales across the Northeast.

Smile Brands Acquires Midwest Dental

December 2, 2020

Healthcare Services

Smile Brands Inc., a portfolio company of Gryphon Investors, completed the acquisition of Midwest Dental, a Dental Support Organization with over 230 offices headquartered in Mondovi, Wisconsin. The combination creates one of the largest DSOs in the U.S., representing approximately 650 offices and over 8,000 employees across 30 states; terms were not disclosed.