Dental support organizations are becoming an increasingly important growth partner for dentists who want to expand their practices without taking on every operational responsibility themselves.
The U.S. DSO market is now led by large platforms such as Heartland Dental, The Aspen Group, PDS Health, MB2 Dental, Smile Brands and Dental Care Alliance. Together, the 10 largest DSOs supported roughly 7,850 practices nationwide as of June 2026.
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However, size alone does not determine whether a DSO is the right growth partner. Dentists are increasingly looking for support models that can adapt to their practice size, specialty, location, ownership goals, patient base and long-term business plans.
Why Personalized Growth Strategies Matter for Dental Practices
Dental practice growth is no longer limited to opening another office.
Dentists may want to:
- Increase patient acquisition
- Improve treatment acceptance
- Expand specialty services
- Recruit additional clinicians
- Increase practice revenue
- Open a new location
- Improve operational efficiency
- Build a stronger local brand
- Prepare for ownership transition
- Maintain clinical autonomy while reducing administrative work
The DSO model can provide centralized support across marketing, recruiting, finance, technology, purchasing, HR, training and operations.
But the most relevant organizations are increasingly positioning their models around individual practice goals rather than one standardized growth strategy.
Top Dental Support Organizations for Practice Growth
Heartland Dental
Heartland Dental is the largest DSO in the U.S. by supported practice count, with more than 1,900 supported practices and more than 3,100 supported doctors across 39 states and Washington, D.C.
Its growth model combines affiliations with existing practices and the development of new practices in high-growth markets.
In 2025, Heartland collaborated on 75 de novo practice openings, 19 relocations and 27 practice expansions. It also added 33 practices through strategic affiliations and another 60 through the acquisition of Smile Design Dentistry.
Heartland also emphasizes customized affiliation strategies. Its current model provides support across marketing, HR, payroll, accounting, purchasing, clinical training and leadership development, while allowing supported doctors to maintain clinical autonomy.
For dentists looking for large-scale infrastructure combined with individualized practice growth, Heartland is one of the strongest DSO options.
The Aspen Group and Aspen Dental
The Aspen Group supports more than 1,000 offices nationwide and serves approximately 35,000 patients per day, according to its current model data.
Its model focuses strongly on practice ownership and professional development.
Aspen Dental’s ownership program currently includes 375+ practice owners and 120+ partners, with more than 1,000 dentist-owned practices nationwide.
In 2025, the network of independent practice owners grew approximately 15% year over year, while adoption of Motto clear aligners increased approximately 30% year over year at Aspen Dental offices.
Aspen provides business-side support covering areas such as marketing, HR, payroll, reporting and operations, allowing dentists to concentrate on clinical care and practice leadership.
This makes Aspen particularly relevant for dentists looking for structured ownership and growth pathways.
PDS Health
PDS Health has supported more than 1,000 practices and operates across 24 states, with more than 15,000 clinical and support team members.
Its model is built around supporting practice owners with business operations while allowing clinicians to focus on patient care.
PDS also differentiates itself through dental-medical integration, specialty dentistry and technology adoption.
The organization reached a cumulative revenue milestone of more than $2 billion in 2021, demonstrating the scale of its operating model.
For practices looking for a combination of business support, technology, specialty expansion and broader healthcare integration, PDS Health is a significant competitor.
MB2 Dental
MB2 Dental uses a partnership-oriented model rather than a traditional centralized DSO structure.
The organization reported more than 800 practices at the end of 2025, while its current platform includes 1,700+ dentists and more than 500 support experts.
MB2 specifically targets dentist owners who want to grow while retaining significant control over their practice.
Its partnership model is designed around different practice needs and typically targets dentist-owned practices generating more than $1 million in revenue that are ready for the next stage of growth.
This makes MB2 particularly relevant to established dental practices seeking expansion, equity participation and operational support without a conventional buyout structure.
Smile Brands
Smile Brands supports more than 600 affiliated dental offices and 6,800+ team members.
Its approach is explicitly centered around individualized partnerships.
The organization says its partnership strategies are developed around each dentist’s short- and long-term goals, including growing a practice, maintaining ownership or preparing for retirement.
Its support infrastructure includes:
- Recruiting and HR
- Marketing
- Purchasing
- Accounting and billing
- Revenue cycle management
- IT
- Facilities
- Compliance
- Continuing education
Smile Brands also offers customized mentorship and training programs for dentists at different career stages.
For dentists specifically looking for personalized support rather than a standardized operating model, Smile Brands is an important player.
Dental Care Alliance
Dental Care Alliance takes a more specialized approach to practice support.
Its current platform includes dedicated divisions for general dentistry, pediatrics and orthodontics, and specialty dentistry. The organization reports approximately 275 general dentistry practices, 70 pediatric and orthodontic practices and 45 adult specialty practices.
DCA emphasizes local clinical leadership, practice-level collaboration and doctor autonomy.
Its partnership model can provide support for real estate, equipment, staff, marketing, HR and administrative operations, while dentists retain control over clinical decisions.
DCA is therefore particularly relevant for dentists seeking specialty-specific support and localized growth strategies.
How Leading DSOs Compare on Growth Strategy
| DSO | Approx. supported practices | Primary growth approach | Personalized growth focus |
|---|---|---|---|
| Heartland Dental | 1,900+ | Affiliations + de novo expansion | Practice-specific affiliation and growth plans |
| The Aspen Group | 1,000+ | Branded network + ownership pathway | Ownership, training and business growth |
| PDS Health | 1,000+ | Practice support + specialty expansion | Technology, business support and integrated care |
| MB2 Dental | 800+ | Dentist partnerships | Equity, autonomy and practice expansion |
| Smile Brands | 600+ | Long-term partnerships | Individual goals and local-market autonomy |
| Dental Care Alliance | 390+ | Specialty and general practice affiliations | Specialty-specific and local support |
Practice counts are based on the latest available 2025 and 2026 company or industry data and can change as organizations add practices.
What Personalized DSO Growth Strategies Typically Include
Practice Revenue Growth
DSOs can help identify opportunities to improve:
- New patient acquisition
- Treatment acceptance
- Recall and retention
- High-value procedure mix
- Specialty referrals
- Scheduling efficiency
- Revenue cycle performance
The objective is to identify where the individual practice has the greatest revenue opportunity rather than applying the same strategy across every location.
Marketing and Patient Acquisition
Marketing is becoming a core component of DSO growth.
Support can include:
- Local SEO
- Paid advertising
- Website development
- Patient acquisition campaigns
- Reputation management
- Patient communication
- Retention programs
Smile Brands, for example, provides marketing tools covering website development, patient acquisition and retention.
Dentist Recruitment and Team Development
Staffing is another major growth constraint.
Large DSOs can centralize recruiting, credentialing, benefits, training and workforce management, helping practices reduce the administrative burden associated with hiring.
Smile Brands, for example, maintains dedicated recruiting teams and provides HR, payroll and credentialing support to affiliated practices.
Specialty Expansion
A practice may have an opportunity to expand into:
- Orthodontics
- Oral surgery
- Endodontics
- Periodontics
- Pediatric dentistry
- Implant dentistry
- Clear aligners
Heartland currently supports offices across multiple specialties including oral surgery, endodontics, pediatrics, orthodontics, prosthodontics and periodontics.
DCA similarly structures dedicated support around different practice types.
Technology and Operational Efficiency
Technology is increasingly becoming part of DSO growth strategy.
Organizations are investing in:
- Practice management systems
- Patient communication
- Revenue cycle technology
- AI
- Digital imaging
- Scheduling
- Data analytics
- Automated administrative workflows
DCA, for example, has expanded its use of AI across the patient journey, while PDS has historically invested in integrated clinical and medical technology.
Who Buys DSO Growth Services?
The primary buyers and decision-makers include:
Independent Dentists
Dentists operating single practices may seek support with marketing, recruiting, financial management and administrative operations.
Multi-Location Practice Owners
Growing groups often need centralized infrastructure to manage additional locations without increasing administrative complexity at the same rate.
Specialty Dental Practices
Orthodontic, pediatric, oral surgery, endodontic and periodontal practices may seek specialized support and referral-network development.
Dentist Entrepreneurs
Dentists planning to open multiple practices may use DSO infrastructure for real estate, recruiting, marketing, technology and operational management.
Dental Practice Sellers
Older practice owners approaching retirement may evaluate DSO partnerships as an alternative to an outright sale or as part of a longer transition strategy.
Private Equity and Healthcare Investors
Investors evaluating dental platforms need intelligence on practice density, acquisition activity, regional expansion, provider retention, revenue growth and DSO consolidation.
What Is Driving Demand for Personalized DSO Strategies?
The DSO sector is changing from a simple acquisition-led model toward a more sophisticated operating model.
Industry analysis in 2026 highlights regional density, doctor support, clinical leadership and operational infrastructure as increasingly important factors for sustainable DSO growth.
This means future competition may depend less on simply acquiring practices and more on what happens after affiliation.
The strongest platforms will need to demonstrate their ability to:
- Improve practice performance
- Retain dentists
- Recruit clinical talent
- Increase patient access
- Support specialty expansion
- Build regional density
- Improve operational efficiency
- Protect clinical autonomy
Competitive Landscape of the U.S. DSO Market
The DSO market remains highly consolidated at the top but fragmented overall.
The 10 largest DSO platforms supported approximately 7,850 practices in mid-2026. Heartland Dental ranked first with more than 1,900 practices, followed by The Aspen Group with more than 1,300, PDS Health with approximately 1,000 and MB2 Dental with more than 800.
Other major competitors include:
- Smile Brands
- Sonrava Health
- Smile Doctors
- Affordable Care
- Dental Care Alliance
- Specialized Dental Partners
At the same time, smaller specialty-focused and regional platforms continue to enter the market.
This creates a competitive environment where practice-level personalization can become a differentiator, particularly for dentists who do not want to lose their existing brand, culture or clinical independence.
What Should Dental Practices Evaluate Before Choosing a DSO?
Dentists should look beyond the number of affiliated practices.
Key evaluation areas include:
- What level of clinical autonomy is maintained?
- Is the growth strategy customized to the practice?
- What marketing support is included?
- How strong is the recruiting infrastructure?
- Does the organization support specialty expansion?
- What technology and analytics are provided?
- How are practice acquisitions and valuations handled?
- Can the dentist retain ownership?
- What happens to the existing practice brand?
- What support is available after affiliation?
- How does the DSO measure practice growth?
The best DSO for one dentist may not be the best fit for another.
A single-location general dentist, a multi-location orthodontist and an oral surgeon preparing for retirement can have completely different strategic requirements.
How Towards Healthcare Research & Consulting Can Help
Towards Healthcare Research & Consulting can help dental organizations, investors and healthcare companies build a detailed view of the evolving DSO market.
Our analysis can connect:
- DSO practice footprints
- Practice acquisitions
- Regional expansion
- Revenue and financial performance
- Dentist recruitment
- Specialty expansion
- Technology adoption
- Patient acquisition strategies
- Competitive positioning
- M&A activity
- Consumer and patient needs
This enables decision-makers to understand not only which DSOs are growing, but also how they are growing, where they are expanding and what strategies are being used to attract and retain dentists and patients.
The Future of DSO Growth
The next phase of dental support organization growth is likely to be defined by more than practice acquisitions.
The competitive advantage will increasingly come from the ability to combine capital, technology, clinical support, marketing, workforce infrastructure and personalized growth strategies.
For dentists, the question is therefore not simply:
Which DSO is the largest?
It is:
Which DSO can provide the right growth strategy for my practice, my patients and my long-term ownership goals?
For investors and healthcare companies, the larger opportunity is understanding which platforms are building sustainable growth through practice performance, regional density, provider retention and differentiated support models.
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