Most dentists don’t have a budget. They have a bank balance they check with one eye closed. Money comes in, money goes out, and at the end of the year the accountant tells them what happened to it — usually too late to change anything. That’s not running a practice. That’s being a passenger in your own business.
A zero-based budget flips that. Instead of taking last year’s numbers and nudging them up 3%, you start every category at zero and force every dollar to justify its seat at the table. It’s the single most underused profit lever in dentistry — and it’s the reason two practices with identical collections can have wildly different take-home pay.
A zero-based budget assigns every dollar of collections a job before the month starts. Nothing rolls over on autopilot. Every line item — supplies, lab, marketing, salaries, facilities — has to earn its place based on the production it drives, not on “that’s what we spent last year.”
Here’s the discipline: you take your target collections for the month, then you build the expense plan up from zero as a percentage of that number. If a category can’t tie back to production or patient experience, it gets cut. That’s it. The magic isn’t the math — it’s the forced conversation about whether each expense is actually buying you anything.
On the Bulletproof Dental Practice Podcast, Pete Boulden hammers this point constantly: the practices that scale don’t spend less — they spend on purpose. Every dollar is deployed like capital, not leaked like a slow drip.
You can’t build a zero-based budget without targets. These are the working benchmarks used inside high-performing practices — expressed as a percentage of collections, because that’s the only way to compare across practice size:
CategoryTarget % of CollectionsNotesTeam salaries~25%Include salary, bonuses, and benefits — the true cost per employeeLab~9%Drifts to 11–12% fast when fees creep or case mix shiftsFacilities~7%Rent, repairs, and the surprises (a burst pipe is still overhead)Clinical supplies~5%Post-2020 supply chains pushed many practices to 6%+Marketing2–5%Higher in growth mode, lower once established
These aren’t laws of physics — location, specialty mix, and insurance participation move them. But they give you a starting number to build against. If your supply line is running 6% on a $10M practice, that’s not a rounding error. That’s a full percentage point of profit walking out the door — real money you could be putting into raises, equipment, or your own account.
Zero-based budgeting is a monthly rhythm, not an annual ritual. Here’s the sequence:
That monthly variance review is where the money is. One accurate measurement beats a thousand expert opinions. Most owners feel like they’re doing fine and never check the stat. The ones who check — and act — compound their advantage every single month.
Here’s where Craig Spodak’s side of the house matters. A budget built in a back office and imposed on a team is dead on arrival. People protect what they help build. When your office manager, your clinical lead, and your ordering assistant all understand the target percentages — and understand that hitting them means bigger bonuses and better raises — the budget stops being the owner’s spreadsheet and becomes the team’s game.
Craig’s philosophy is that when the team feels loved and included, they spread that ownership everywhere — to patients, to each other, and yes, to the P&L. Show your team that every point of overhead saved is a point that can flow back to them, and they’ll guard the supply closet like it’s their own money. Because now it kind of is.
That’s the difference between a practice run on fear and a practice run on culture. Numbers give you the truth. Culture gives you people who care about the truth.
Profit is collections minus overhead. That’s the whole equation. But most dentists only ever try to push the collections number up — chasing more patients, more chairs, more hours — while the overhead side leaks unmanaged in the background. A zero-based budget attacks the other half of the equation, and that half is often the faster, cheaper win.
Tighten five overhead categories by a single point each and you’ve added five points of net income without seeing one more patient. On a $1.5M practice, that’s $75,000 a year — the difference between grinding and building.
This is exactly the kind of number that gets torn apart, benchmarked, and rebuilt inside the Bulletproof Mastermind, where owners compare real P&Ls and stop guessing. And it’s the kind of tactical breakdown that comes to life on stage at the Bulletproof Summit, where the room full of growth-minded owners proves you were never supposed to figure this out alone.
Dentistry is a lonely profession — but it doesn’t have to be. Build the budget. Track the numbers. Bring your people with you. And find the tribe that refuses to let you settle for a bank balance you check with one eye closed.
The 1% of dentists, who want 100% from life.
