Is Dental Insurance Deductible for the Self-Employed?

Yes, dental insurance is deductible for the self-employed, and the write-off is generous: 100% of what you pay in premiums, as an above-the-line adjustment to income under 26 U.S.C. § 162(l).¹ You get the benefit even if you take the standard deduction. Two conditions do most of the gatekeeping: your business has to show a net profit, and you can’t have been eligible for a subsidized health plan through an employer during the months you’re deducting.

Who Qualifies

The deduction is open to three kinds of business owners, each with its own setup requirement.

Sole proprietors. If you file Schedule C or Schedule F and the business has a net profit, you qualify. The dental policy can be in your name or the business name.
Partners and LLC members. General partners and members of LLCs taxed as partnerships qualify if they have net self-employment earnings. The policy can be in the partnership’s name or the partner’s; if the partner pays directly, the partnership must reimburse and report the premiums as guaranteed payments on Schedule K-1.²
More-than-2% S corporation shareholders. The S corp must pay or reimburse the premiums, and those premiums must appear as wages in Box 1 of your W-2 (not in the Social Security and Medicare wage boxes).³

The S corporation step is where the deduction most often fails. If the premiums aren’t included in your W-2 wages, the IRS won’t treat the plan as established under your business, and the deduction is gone even if the corporation paid every premium on time.³

What Counts as a Deductible Dental Premium

The deduction covers premiums paid to a dental insurance carrier, whether monthly or annual.² It sits alongside your medical, vision, and qualifying long-term care insurance premiums on the same form.

Two things it does not cover. First, out-of-pocket dental costs, fillings, cleanings, extractions, braces. Those are medical expenses and only reach a deduction if you itemize on Schedule A and your total medical costs exceed 7.5% of your adjusted gross income.⁴ Second, dental discount plans. Those charge a membership fee for reduced rates and aren’t insurance contracts; Publication 502 doesn’t list them as qualifying expenses.

Who the Policy Can Cover

Premiums are deductible when the policy covers you, your spouse, your dependents, or any child of yours under age 27 at year-end. That last group matters: the child does not have to be your tax dependent. An adult child who’s aged out of dependency but is still under 27 can be on the policy, and the premiums still qualify.² “Child” includes biological, step, adopted, and foster children placed by a court or authorized agency.

The Two Limits That Shrink or Kill the Deduction

Your Net Profit Caps the Deduction

You can’t deduct more than the net profit of the business under which the plan is established. Pay $6,000 in premiums but earn only $5,000 from that business, and $5,000 is the ceiling. The deduction can’t create or increase a business loss.¹ Multiple businesses? Each plan is capped by the earnings of the business that established it, and you file a separate Form 7206 for each.²

Employer Coverage Disqualifies You Month by Month

For any month you were eligible to participate in a subsidized health plan through an employer, you can’t claim the deduction. That includes plans offered by your spouse’s employer, your own part-time employer, or an employer of a dependent or child under 27.⁵ Eligibility is what disqualifies you, not enrollment. Declining the employer plan doesn’t save the deduction.

In practice, this often means splitting the year. If your spouse starts a job with dental benefits in July, you deduct January through June only. It’s tedious tracking, but getting it wrong invites an IRS adjustment plus interest.

Where the Deduction Goes and What It Does

You claim the deduction on Schedule 1 (Form 1040), line 17, as an adjustment to income. Because it reduces AGI directly, it works whether you take the standard deduction or itemize, and a lower AGI can also help with income-sensitive credits like the education credits and the earned income credit.⁴

One thing it doesn’t do: it doesn’t lower self-employment tax. Your Social Security and Medicare tax bill is the same either way.²

To calculate the number, use either the worksheet in the Form 1040 instructions or IRS Form 7206. Form 7206 is required if you had more than one source of self-employment income, you file Form 2555 for foreign earned income, or you’re including long-term care premiums.²

Premiums You Couldn’t Deduct

If your net profit was too low, or employer eligibility knocked out part of the year, the leftover premiums aren’t lost. Roll them onto Schedule A with your other medical and dental expenses. The itemized route only pays off to the extent total medical expenses exceed 7.5% of AGI, which is a high bar, but in a year with heavy dental work it can be worth running the numbers.⁴

If You Bought Through the Marketplace

Buying dental or health coverage through the ACA Marketplace while receiving the Premium Tax Credit creates a circular calculation. The self-employed deduction lowers AGI, which can raise your PTC, which lowers the premiums you actually paid, which lowers the deduction. Publication 974 provides a Simplified Calculation Method and an Iterative Calculation Method to work through it; standalone dental plans are treated as “nonspecified premiums” and use a somewhat simpler worksheet.⁶ Tax software runs the iteration for you; by hand, follow the Publication 974 worksheets closely.

1
Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses
2
Internal Revenue Service. Instructions for Form 7206 (2025)
3
Internal Revenue Service. S Corporation Compensation and Medical Insurance Issues
4
Internal Revenue Service. Topic No. 502, Medical and Dental Expenses
5
IRS.gov. Self-Employed Health Insurance Deduction – Form 7206
6
Internal Revenue Service. Publication 974, Premium Tax Credit (PTC)