Western Dental to Acquire Mid-Atlantic Dental Partners (MADP)

Sonrava Health Acquires Mid-Atlantic Dental Partners

June 22, 2022

Dental

Sonrava Health has completed the acquisition of Mid-Atlantic Dental Partners (MADP), adding MADP's 215 offices across 17 states to Sonrava's national dental platform. The deal expands Sonrava's coast-to-coast footprint to 572 offices in 20 states and strengthens its portfolio of dental brands and practice-management capabilities.

Heartland Dental Acquires American Dental Partners (ADPI)

May 14, 2021

Healthcare Services

Heartland Dental, the Effingham, Illinois-based dental support organization majority owned by KKR, signed an agreement to acquire American Dental Partners (ADPI), a Wakefield, Massachusetts–based DSO that supports 23 dental group practices and roughly 278 locations. ADPI, a portfolio company of JLL Partners, will join Heartland’s network (creating a combined footprint of over 2,300 supported dentists and more than 1,400 locations); the deal is structured as an add-on to Heartland’s KKR-backed platform and is expected to close in Q2 2021 subject to customary conditions.

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.

Oak Dental Partners Recapitalizes Select Dental Partners

December 30, 2021

Dental

Oak Dental Partners (ODP), a rapidly growing dental service organization based in Atlanta, recapitalized Select Dental Partners, a multi-state pediatric dentistry and orthodontics provider headquartered in Fort Mill, South Carolina. The recapitalization closed on December 30, 2021; Marriott & Co. served as exclusive financial advisor to Select Dental and founder Dr. Robert Ellis III will remain in his CEO role under the new partnership.

North American Dental Group Adds 18 Affiliated Practices

November 30, 2020

Dental

North American Dental Group (NADG) affiliated 18 dental offices across six states, bringing seven dental groups into its DSO network. The new affiliations — including Park 56 Dental, Snodgrass-King Dental, Southeast Orthodontics and several single-location practices — expand NADG's platform and bring new Group Founders into NADG's leadership structure.

Dental Alliance Group Acquires American Dental Designs and Global Dentech

September 16, 2025

Healthcare Services

Dental Alliance Group (DAG) has acquired American Dental Designs and Global Dentech (collectively, ADD) to expand its national dental laboratory platform. The deal strengthens DAG’s geographic reach, DSO relationships, and technical capabilities to deliver full-service dental lab solutions to clinicians nationwide.