Running a dental practice means managing a long list of expenses, from X-ray machines and dental chairs to staff salaries and malpractice coverage. The good news? Many of those costs can directly lower your tax bill when you claim them as deductions.
The challenge is knowing which expenses qualify, what changed for 2026, and how to document everything so your deductions hold up if the IRS comes knocking. This guide breaks down the most valuable tax deductions for dentists, including updates for the 2026 tax year that could put more money back in your pocket.
Key Takeaways
- Dental equipment, supplies, and lab fees are fully deductible business expenses when properly documented.
- The return of 100% bonus depreciation in 2026 means you can write off qualifying equipment purchases in the year you buy them.
- Continuing education, professional dues, and licensing fees are deductible, and they help you stay competitive.
- Retirement plan contributions offer some of the largest deductions available to dental practice owners.
- Year-round tracking and planning, not a last-minute scramble in April, is what separates dentists who overpay from those who keep more of what they earn.
What Equipment and Technology Can Dentists Deduct?
Dental equipment purchases, software subscriptions, and technology upgrades are among the largest and most valuable deductions available to practice owners. Here is how Section 179, bonus depreciation, and operating expense rules apply to your dental equipment investments in 2026.
For most dentists, equipment represents one of the biggest capital investments in the practice. Dental chairs, digital X-ray systems, intraoral cameras, cone beam CT scanners, CAD/CAM milling units, and sterilization equipment all qualify as deductible business assets.
You have two primary options for deducting equipment costs:
Section 179 Expensing: This allows you to deduct the full purchase price of qualifying equipment in the year it is placed in service, rather than depreciating it over several years. For 2026, the Section 179 deduction limit is expected to increase, making it even more attractive for Section 179 deductions for dental practices. The equipment must be used more than 50% for business purposes to qualify.
Bonus Depreciation: The One Big Beautiful Bill Act restored 100% bonus depreciation for qualifying assets placed in service after January 19, 2025. This is significant for dentists who made major equipment purchases in 2025 or 2026. Unlike Section 179, bonus depreciation does not have an annual dollar limit, making it ideal for larger investments.
Practical tip: Before signing a purchase agreement for a new CEREC system or panoramic X-ray unit, talk with your CPA about the timing. Whether you place equipment in service in December or January can affect which tax year captures the deduction.
Technology subscriptions also count. Practice management software like Dentrix or Eaglesoft, cloud storage, digital imaging platforms, and patient communication tools are all deductible operating expenses.
Clinical Supplies and Lab Fees
The day-to-day costs of running a dental practice add up fast, and nearly all of them are deductible:
- Dental supplies: Composites, impression materials, bonding agents, gloves, masks, cotton rolls, and disposable instruments
- Lab fees: Crowns, bridges, dentures, and other prosthetics fabricated by outside dental laboratories
- Medical supplies: Anesthetics, medications, and pharmaceutical supplies used in patient care
- Infection control: Sterilization pouches, biological indicators, barrier products, and surface disinfectants
Keep detailed records of every supply order. Your distributor statements from companies like Henry Schein or Patterson Dental serve as solid documentation, but matching those to individual invoices strengthens your position during an audit.
Office and Facility Expenses
Whether you own or lease your practice space, facility-related costs are deductible:
- Rent or mortgage interest on your practice location
- Utilities: Electricity, water, gas, internet, and phone service
- Property taxes on owned practice real estate
- Maintenance and repairs: HVAC servicing, plumbing, equipment maintenance contracts, and general office repairs
- Insurance: Property insurance, general liability coverage, and business interruption policies
- Office supplies: Paper, printer ink, reception area supplies, and cleaning products
If you operate your practice from a building you own, you may also be able to claim depreciation on the building itself (excluding land value). This is a significant long-term deduction that many dentists overlook.
Which Staff and Payroll Costs Are Deductible?
Payroll is typically the second-largest expense category for dental practices. Salaries, benefits, employer taxes, workers’ comp, and training costs are all deductible when properly classified and documented under IRS rules.
Your team is likely your second-largest expense after equipment and facilities. These payroll-related costs are deductible:
- Salaries and wages for dental hygienists, assistants, office managers, and front desk staff
- Employer payroll taxes: Your portion of Social Security and Medicare taxes
- Employee benefits: Health insurance premiums, retirement plan contributions, and dental or vision coverage you provide to staff
- Workers’ compensation insurance
- Continuing education and training you provide for employees, including CPR certification and OSHA compliance training
- Uniforms and scrubs if you provide them to your team
One area that deserves careful attention is how you classify workers. Misclassifying an employee as an independent contractor can trigger penalties and back taxes. If you hire associate dentists, temporary hygienists, or consultants, make sure each worker’s classification aligns with IRS guidelines. California’s AB 5 law adds additional requirements for worker classification that dental practice owners need to follow carefully.
Professional Development and Licensing
Investing in your own skills and credentials is fully deductible:
- Continuing education (CE) courses required to maintain your dental license, including conferences, seminars, and online coursework
- Professional dues for organizations like the American Dental Association (ADA), state dental associations, and specialty organizations
- Dental license renewal fees at both state and federal levels
- Board certification and specialty exam fees
- Professional journals and subscriptions such as the Journal of the American Dental Association
Travel expenses for attending CE courses and dental conferences are also deductible, including airfare, hotel, meals (at the standard per diem rate), and ground transportation. Keep your course completion certificates and receipts organized, as these serve as documentation for both your licensing board and the IRS.
Insurance and Risk Management
Dentists carry several types of insurance, and most premiums are deductible:
- Malpractice (professional liability) insurance: This is typically one of the larger insurance costs for a dental practice and is fully deductible.
- Business owner’s policy (BOP): Combines general liability and property insurance into one package.
- Cyber liability insurance: Increasingly important for practices that store patient data electronically and must comply with HIPAA.
- Disability insurance: Premiums may be deductible depending on how the policy is structured and whether the practice or the individual pays.
- Health insurance premiums: If you are self-employed and not eligible for coverage through a spouse’s employer, you may deduct health insurance premiums for yourself, your spouse, and your dependents.
The self-employed health insurance deduction is taken on your personal return (Form 1040) as an adjustment to income, not on your business return. This distinction matters for tax planning, so work with a CPA who understands both business tax planning and individual deductions to ensure everything is filed correctly.
Looking for help with your dental practice’s tax strategy? Our team at Clear Peak Accounting specializes in working with healthcare professionals across California. Connect with us for a free tax planning review and find out which deductions you may be missing.
How Can Dentists Reduce Taxes Through Retirement Plans?
Retirement plan contributions rank among the most impactful tax-reduction tools for dental practice owners. Depending on your plan type, age, and income, you may be able to shelter $23,500 to over $200,000 per year from taxable income while building long-term wealth.
Retirement plan contributions are one of the most powerful tax deductions available to dentists. Here are the most common options:
- Solo 401(k): Ideal for solo practitioners or practices with no employees other than a spouse. For 2026, you can contribute up to $23,500 as an employee deferral, plus up to 25% of net self-employment income as an employer contribution.
- SEP IRA: Simple to set up and allows contributions of up to 25% of net self-employment income or compensation, up to the annual limit.
- Defined benefit (cash balance) plan: Allows significantly higher contributions, often $100,000 or more per year, depending on your age and income. This option works well for established dentists in their peak earning years.
If you are 50 or older, catch-up contributions allow you to save even more. For 2026, high earners should also be aware of new requirements around Roth catch-up contributions under the SECURE 2.0 Act.
Combining a 401(k) with a cash balance plan can allow total annual contributions well above $200,000 for some dentists. This strategy requires careful planning and coordination between your financial advisor and your CPA, but the tax savings can be substantial.
Marketing and Patient Acquisition Costs
Growing your practice requires marketing, and those costs are deductible:
- Website design, hosting, and maintenance
- Search engine optimization (SEO) services
- Online advertising through Google Ads, social media platforms, or dental directories
- Print advertising in local publications, direct mail campaigns, and patient newsletters
- Signage and branding for your office exterior and interior
- Patient referral program costs
- Community sponsorships such as local sports teams, school events, or health fairs
If you pay for a listing on platforms like Zocdoc, Healthgrades, or Yelp, those subscription and advertising fees are also deductible business expenses.
Vehicle and Travel Deductions
If you travel between multiple practice locations, make hospital rounds, or attend off-site meetings, your vehicle expenses may be deductible. For 2026, the IRS standard mileage rate is 72.5 cents per mile for business use.
You can choose between the standard mileage rate or actual expense method (gas, insurance, maintenance, depreciation). Whichever method you select, keep a contemporaneous mileage log that records the date, destination, business purpose, and miles driven for each trip.
Important: Commuting from your home to your primary practice location is not deductible. However, trips from one practice location to another, or from your office to a hospital, are considered business travel.
What Changed for Dentists in 2026
- 100% bonus depreciation is back. After being phased down in recent years, 100% first-year bonus depreciation was reinstated for qualifying property placed in service after January 19, 2025. This makes 2026 an excellent year to invest in new equipment.
- Higher Section 179 limits. The annual deduction limit continues to increase with inflation adjustments, giving dentists more room to expense equipment purchases in the current year.
- Updated mileage rate. The business mileage rate increased to 72.5 cents per mile, up from 70 cents in 2025.
- Retirement contribution increases. The elective deferral limit for 401(k) plans rose to $23,500 for 2026, with higher catch-up limits for those 50 and older.
- Increased IRS scrutiny. The IRS has expanded its enforcement focus on small businesses, including professional practices. Digital record-keeping systems and clean expense categorization are more important than ever.
Frequently Asked Questions
Can dentists deduct the cost of dental school loans?
You cannot deduct loan principal payments, but you may be able to deduct up to $2,500 per year in student loan interest on your personal return if your income falls below certain thresholds. Once your modified adjusted gross income exceeds $95,000 (single) or $195,000 (married filing jointly), the deduction begins to phase out.
Are home office expenses deductible for dentists?
If you use a dedicated space in your home exclusively and regularly for practice administration, such as billing, scheduling, or recordkeeping, you may qualify for the home office deduction. However, your dental practice itself must be located elsewhere for the deduction to apply.
How should dentists track expenses for maximum deductions?
Use accounting software like QuickBooks or Xero to categorize expenses in real time. Pair this with a digital receipt management system (many integrate directly with your accounting platform). Review your categories quarterly with your CPA to ensure nothing is miscoded and no deductions are being missed.
What is the best entity structure for a dental practice?
The right entity structure depends on your income level, number of owners, state regulations, and long-term goals. Many dentists operate as S-corporations for the payroll tax savings, while others benefit from LLCs or professional corporations. Choosing the right structure is one of the most impactful tax decisions you will make. Learn more about entity formation for dental practices.
Start Keeping More of What You Earn
Dental practices have some of the highest overhead costs of any professional service business, but they also have access to a wide range of deductions that can significantly lower your tax liability. The key is combining solid record-keeping with proactive planning throughout the year.
At Clear Peak Accounting, we work with dentists and dental practice owners across California to build tax strategies that go beyond compliance. From choosing the right entity formation for healthcare providers to timing equipment purchases for maximum write-offs, our team helps you make financial decisions that protect and grow your earnings.
Ready to see how much you could save? Schedule a free tax planning review for your dental practice and let our team build a strategy tailored to your practice.