Beyond the Basic 401(k): How Dental Practice Owners Can Turn High Income Years Into Retirement Wealth
- Gary Birdsall Jr., JD, CFP®
- Aug 21
- 7 min read
A successful dental practice can generate substantial income. That does not automatically mean the owner is building enough personal wealth outside the business.
Dental practice cash flow has many jobs. It supports operatories, imaging and surgical equipment, supplies, software, hygienists, assistants, administrative staff, debt, working capital, family spending, and taxes. Those demands are real, and most of them arrive before the owner decides how much to move from the practice into personal investments.
After years of building the office, an owner may discover that the practice is thriving while personal retirement savings have not kept pace. I have seen the same tension across professional practices. Strong revenue can create the appearance of financial security while most of the owner's income and net worth remain tied to one operating business.
The planning question is simple: How much of the practice's success is building financial independence beyond the practice itself?
For some established dental practice owners, the answer may involve moving beyond a basic 401(k). A coordinated plan using a 401(k), new comparability profit sharing, and a cash balance pension can create substantially more retirement contribution capacity. It can also provide a meaningful employee benefit. Whether it works depends on the practice's cash flow, staff census, owner age, transition plans, and need for liquidity.
A valuable dental practice can still create concentration risk
Dentistry often operates more like a traditional privately owned business than many other areas of health care. Subject to payer contracts and applicable law, an owner may have meaningful choices about insurance participation, fees, service mix, staffing, equipment, patient experience, and expansion. A mature practice may also have recurring hygiene revenue, trained staff, valuable systems, local goodwill, and an active buyer market.
Those strengths can create a different problem. Current income depends on the practice. A large portion of net worth may be tied to the practice. Debt may be secured by practice or personal assets. The owner may remain responsible for a substantial share of production. Retirement may depend on finding the right buyer at the right time.
Reinvestment feels productive because a new operatory, imaging system, surgical capability, or additional employee may improve capacity and revenue. But equipment becomes obsolete, staffing costs rise, and money reinvested in the office does not automatically become liquid personal wealth.
The practice can be an important retirement asset without becoming the entire retirement plan.
A future sale deserves careful planning
Dental practices can be highly sellable. An associate, another local dentist, a dental support organization, or a private equity group may all represent potential buyers. For an aging owner, a polished proposal promising immediate liquidity, administrative relief, and another future payout can be compelling.
The headline valuation is only the beginning. The amount ultimately retained may depend on taxes, debt, transaction costs, cash paid at closing, an earnout, continued employment, production requirements, and equity rolled into the acquiring organization. A later sale or second liquidity event may be illustrated attractively, but it is not guaranteed.
An owner with meaningful wealth outside the practice can evaluate a proposal based on its actual merits. An owner who needs the transaction to retire has much less negotiating power.
This is one reason retirement planning should begin well before a letter of intent. A retirement account and outside investment portfolio are not substitutes for a valuable practice. They are a second source of security that does not depend on a buyer, continued production, or the next transaction.
When the original retirement plan no longer fits
Many owners establish a SEP IRA, SIMPLE IRA, or basic 401(k) early in the life of the practice and never revisit it. The plan may still function, but it may no longer fit the owner's income, age, staff demographics, or retirement timeline.
An older owner with stable profits and a younger team of hygienists, dental assistants, and administrative employees may have an especially valuable planning opportunity.
With a traditional profit sharing formula, participants may receive the same percentage of compensation. A new comparability design can place participants into permitted groups and test the projected retirement benefit. Because an older owner has fewer years remaining until retirement, a larger current allocation may sometimes be permitted while younger employees receive a smaller but still meaningful contribution that has more time to grow.
The owner cannot simply choose any desired allocation. The plan must satisfy nondiscrimination testing and applicable minimum contributions for eligible employees. Ages, compensation, ownership, job classifications, expected turnover, and the complete employee census help determine whether the numbers work.
A cash balance plan can add another layer. It is a type of defined benefit pension that may allow contributions beyond the defined contribution plan limit. The available amount depends heavily on age, compensation, existing benefits, design, and funding history.
For some older owners, combined annual funding across the 401(k), profit sharing plan, and cash balance plan may fall near $250,000 to $400,000. That is a planning range, not a promise or plan quote. The actual result requires an administrator and actuary to model the practice.
What redirecting taxes really means
The objective is not to spend money merely to create a deduction. It is to determine whether cash currently flowing to taxes and discretionary spending can be redirected toward retirement wealth in a way that improves the owner's overall position.
Consider a simplified illustration involving a 58 year old dentist who owns a mature practice, remains responsible for a meaningful share of production, and employs seven clinical and administrative team members whose average age is 34. Assume the practice has $1 million available for owner compensation, retirement funding, staff benefits, plan administration, and current income taxes. The illustration uses a 37 percent combined effective income tax rate.
Simplified annual illustration using $1 million of available practice cash.
Measure | Basic 401(k) | Layered plan |
Owner retirement funding | $43,300 | $400,000 |
Staff benefits and plan expenses | $20,000 | $60,000 |
Taxable owner cash | $944,700 | $548,000 |
Current income tax at 37 percent | $349,539 | $202,760 |
Spendable owner cash | $587,161 | $337,240 |
Total owner compensation retained | $630,461 | $737,240 |
The layered plan combines a 401(k), new comparability profit sharing, and a cash balance pension.
The layered design produces $356,700 more retirement savings and $249,921 less spendable cash today. Current income tax falls by $146,779. After accounting for $40,000 of added staff benefits and plan expense, total owner compensation retained increases by $106,779.
The owner is not simply saving taxes. The owner is accepting less spendable cash and directing substantially more toward retirement. The tax savings help offset the added employee benefits and administrative expense.
The illustration also reflects a 2026 rule. The owner's $8,000 age 50 catch up contribution is treated as Roth because assumed prior year wages exceed the applicable $150,000 threshold. That amount is included in retirement funding but does not reduce current taxable income.
Actual results depend on entity structure, payroll, plan provisions, employee census, taxes, and other deductions. Retirement distributions are generally taxable, and future tax rates are unknown.
When the strategy may fit
The design deserves closer study when profits are strong and reasonably predictable, meaningful age differences exist between the owner and most employees, the owner wants to save beyond the defined contribution limit for several years, and the practice can fund employee benefits without straining operations. The owner should also have personal liquidity outside retirement accounts.
Planned equipment purchases, expansion, debt service, and a possible practice sale must be included in the analysis. A large contribution is not helpful if it weakens the office or creates a funding commitment the owner cannot maintain.
The strategy deserves more caution when cash flow changes sharply, a sale or major staffing change may occur soon, the owner needs access to most available cash, or the census makes the employee benefit too expensive. Chasing a deduction without a complete retirement strategy is not a sound reason to adopt a pension plan.
Questions worth modeling
How much could the owner contribute under several possible designs?
What portion of each plan dollar would benefit the owner, and what portion would benefit employees?
How does the current tax reduction compare with added employee and administrative costs?
Could the practice support required funding during a slower year?
How would planned equipment purchases, expansion, or additional debt affect funding capacity?
How much personal wealth is being built outside the practice?
Does the plan align with the expected retirement date and likely associate, DSO, or outside buyer timeline?
Would the owner remain financially secure if the practice sold for less than expected or rolled equity produced no additional liquidity?
The goal is not to maximize a deduction in isolation. It is to build a plan that strengthens personal independence, preserves practice flexibility, and treats employees fairly.
Build independence beyond the practice
The right retirement plan can help an established owner make up for years spent reinvesting in the office. For the right practice, combining a 401(k), new comparability profit sharing, and a cash balance pension may turn high income years into some of the owner's most productive wealth building years.
The first step is not choosing a product. It is modeling the numbers in the context of the complete practice and the owner's life.
A confidential introductory conversation can help determine how practice cash flow, retirement planning, outside investments, and an eventual transition can work together to build financial independence beyond the dental practice.
Gary Birdsall, Jr., CFP®, JD
True Financial
985 208 3900
Educational use only. This article is not individualized investment, tax, legal, accounting, transaction, or actuarial advice. Retirement plan design and tax outcomes depend on the facts and require coordination with qualified professionals. Investing involves risk.
Source notes
Internal Revenue Service guidance on 2026 retirement plan contribution limits.
Internal Revenue Service Notice 2025 67 regarding 2026 retirement plan cost of living adjustments.
Internal Revenue Service guidance on cash balance plans, catch up contributions, new comparability, and cross testing.
American Dental Association Health Policy Institute, Q4 2025 Economic Outlook and Emerging Issues in Dentistry.
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