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Why Rules of Thumb Work in Dental Valuations: A Practical Guide for Dentists

Leslie George

Leslie George

2025-06-29

8 min

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Introduction: The Power of Simplicity in Dental Valuations

Valuing a dental practice might sound complicated—but it doesn’t have to be. While full-blown financial models exist, many buyers, sellers, and brokers in the dental world rely on simple "rules of thumb." These are quick estimates, typically based on gross revenue or profitability, that give you a solid starting point. So, why are they still so widely used? Because they’re practical, surprisingly accurate in many cases, and easy to understand—especially for busy dental professionals.

📊 Understanding EBITDA and Its Role in Valuation

EBITDA stands for Earnings Before Interest, Taxes, Depreciation, and Amortization. In layman's terms, it’s your practice’s operational profit before the accounting gets fancy. It’s a favorite metric among investors and valuation experts because it shows how much cash your practice really generates. In dental practices, a healthy EBITDA margin usually falls between 15% and 25%, depending on specialty, location, and efficiency. This margin directly influences your valuation when using an EBITDA-based multiple.

📉 From EBITDA to Gross Revenue: How Valuation Rules of Thumb Add Up

Let’s connect the dots between the two most common valuation methods: EBITDA multiples and percentages of gross revenue.

Crunching the Numbers: Where EBITDA and Gross Revenue Meet

Let’s say your general dentistry practice earns:

  • Annual Revenue: $1,000,000
  • EBITDA Margin: 20%
  • EBITDA: $200,

In dental M&A, practices are typically valued at 3x to 4x EBITDA:

  • Annual Revenue:3x EBITDA = $600,000
  • 4x EBITDA = $800,000

What does that mean in terms of gross revenue? Your valuation is 60% to 80% of annual revenue—right in line with the "rule of thumb" for many general practices.

This isn’t coincidence. It’s how averages in the industry play out: If EBITDA margins are stable, then EBITDA-based valuations and gross revenue percentages align nicely.

Metric 20% EBITDA 25% EBITDA 10% EBITDA
Annual Revenue $1,000,000 $1,000,000 $1,000,000
EBITDA Margin 20% 25% 10%
EBITDA $200,000 $250,000 $100,000
Valuation @ 3x EBITDA $600,000 $750,000 $300,000
Valuation @ 4x EBITDA $800,000 $1,000,000 $400,000
Revenue % Equivalent 60%-80% 75%-100% 30%-40%

✅ Why It Works

Rules of thumb work because they offer quick guidance. Whether you're having an early conversation with a buyer or trying to gauge how your practice stacks up in the market, these shortcuts can:

  • Save time
  • Provide clarity

That said, if your practice’s EBITDA margin is much higher or lower than average, relying on revenue-based multiples alone could mislead you. This is where understanding your true profitability is crucial.

In short:
EBITDA multiples show how efficient and profitable your practice really is.
Revenue-based rules are easy to apply, but can gloss over key financial nuances.


📌 Factors Influencing Valuation Multiples

Not all practices are valued equally. Here are common factors that can impact your valuation multiple:

  • Location: Urban or high-income areas usually fetch higher values.
  • Specialty: Orthodontics or oral surgery practices often command premium multiples.
  • Profitability: Higher EBITDA margins boost valuation.
  • Size & Scalability: Multi-location and growing practices tend to attract higher offers.
  • Operational Efficiency: Clean books and tight expense control increase value.

📚 Frequently Asked Questions

Q1: What is EBITDA, and why is it important in dental valuations?
EBITDA shows your operational profit and is used to compare your practice's performance against others, regardless of location or financing.

Q2: How do I calculate my practice's EBITDA?
Start with total revenue, subtract your operational expenses (excluding interest, taxes, depreciation, and amortization), and you’ve got it.

Q3: What’s the typical valuation range using EBITDA?
Most general dentistry practices fall within 3x to 4x EBITDA. Higher for specialties, lower for underperforming or rural practices.

Q4: How accurate is the revenue percentage rule of thumb?
It’s a reliable ballpark but doesn’t consider profitability. A high-revenue, low-profit practice might be overvalued using this alone.

Q5: When should I get a formal valuation?
If you're selling, merging, or bringing on partners, a full valuation by a CPA or dental-specific advisor is worth the cost.

Q6: Can I increase my valuation before selling?
Yes! Improve operational efficiency, add high-margin services, reduce overhead, and clean up your financials to boost EBITDA.


🔚 Conclusion: Balance the Rule with Reality

Rules of thumb work in dental valuations because they reflect real, averaged outcomes across thousands of practices. They're not perfect—but they’re practical.

Whether you're preparing to sell, grow, or simply understand your worth, using both EBITDA multiples and gross revenue percentages gives you a clearer picture.

Think of them not as final answers, but as the starting point for smarter decisions.
Wait a minute, that’s just like Dental Practice Connect!

author

Leslie George

Founder, Dental Practice Connect

Leslie George is a seasoned finance and operations professional with cross-industry experience. Over the past six years, he has dedicated his work to helping dental practices achieve operational excellence. All while building a meaningful, balanced life for his wife and children.

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