INBDE Exam 2026: Dates, Fees, Format, and Scoring

The Integrated National Board Dental Examination (INBDE) is the written licensure exam accepted by every U.S. dental licensing jurisdiction, and it is a two-day, 500-item pass/fail test. It costs $890 in 2026, runs year round at Prometric test centers rather than on fixed national test dates, and your appointment should be booked 60 to 90 days before the day you want to sit it.

If you are preparing now, the biggest advantage is using current official policy (not old NBDE-era advice) and building a plan around the actual two-day exam format.

Key takeaways

• The INBDE is a two-day, 500-item exam given at Prometric centers, available year round rather than on fixed test dates.
• The 2026 examination fee is $890, plus a $435 processing fee for candidates from programs not accredited by CODA.
• Book 60 to 90 days ahead. Once your application is processed, you have a six-month window in which to test.
• Day two must fall within 7 days of day one and at the same test center, or you retest at your own expense.
• Results are reported as pass or fail, usually within three to four weeks.
• Passing candidates receive no number at all. Only unsuccessful candidates see a scale score on the 49 to 99 range.

What Is the INBDE Exam?

The Integrated National Board Dental Examination is the high-stakes written licensure examination overseen by the JCNDE (Joint Commission on National Dental Examinations). It replaced NBDE Part I and Part II.

According to the official INBDE page, it is a two-day examination designed to determine whether licensure candidates have the clinical skills to practice entry-level dentistry safely, and it is accepted in all U.S. states and territories as meeting all or part of the written examination requirement.

The exam name is often typed as "INDBE", with the D and B transposed. Both spellings refer to this same examination, and there is no separate INDBE test.

INBDE Exam Dates and Scheduling in 2026

There is no national INBDE test date. The exam is offered year round at Prometric test centers in the United States, its territories and Canada, so the date you sit is the date you book. It is no longer offered in the province of Quebec.

What governs your timing is the application window, not a published calendar:

You cannot schedule anything until you hold a DENTPIN, have submitted your application, and have received the eligibility email from the JCNDE. The INBDE apply page sets out those steps and states the 60 to 90 day scheduling lead time. Appointments themselves are booked through Prometric using your DENTPIN as the eligibility ID.

Two more timing facts worth planning around. Your eligibility lasts six months once the application is processed, and if you do not test within it the fee is forfeited and you start again with a new application and payment. A new application and fee is required before every attempt.

Rescheduling is possible but priced by how much notice you give:

Saturdays and Sundays do not count as business days. If you are deciding when in the dental timeline to sit this exam, our guide to the best time to take the DAT covers the earlier admissions step.

INBDE Structure and Timing (2026)

Based on the 2026 INBDE Candidate Guide, updated 4 August 2026:

The guide also publishes the section-by-section pattern, which is what you actually sit:

So the standalone items are front-loaded into day one, and every item on day two is case-based. The 12 hours 30 minutes includes the optional tutorial, the scheduled breaks and the survey.

The exam integrates biomedical, clinical, and behavioral sciences in case-based and standalone formats, rather than testing isolated memorization only. The test timer pauses while an item loads, so loading lag does not eat your time.

INBDE Fees and Costs (2026)

From the Candidate Guide fee table, verified in October 2026. All fees are non-refundable and non-transferable, and your card is charged when you submit the application:

Two of those are easy to miss. Buying the INBDE and the DLOSCE together at the time of application costs $1,080 and saves $470 against buying each separately, and the $55 report fee applies to any results recipient you did not nominate when you applied. The base $890 already covers reporting to you, to three licensing jurisdictions chosen at application, and to your CODA-accredited program.

If you see the INBDE fee quoted anywhere between $845 and $875, that figure is out of date. The 2026 Candidate Guide sets it at $890.

Eligibility and Retake Rules

At a high level, you need a DENTPIN and an approved application before scheduling with Prometric.

For candidates from non-CODA-accredited schools, JCNDE requires a Certification of Eligibility signed by the dean or registrar, on top of the $435 processing fee.

Key policy points from the 2026 guidance:

• Minimum wait after an unsuccessful attempt: 60 days
• Maximum administrations in a 12-month period: 4
• You must pass within 5 years of first attempt or 5 attempts, whichever comes first

If you use all four administrations inside a 12-month period, you cannot take a fifth until 12 months have passed from the first attempt in that period. The guide states that this restriction is not subject to appeal. INBDE attempts are counted independently of any prior NBDE attempts, so candidates who failed NBDE Part I or Part II five times or more still get five years and five attempts on the INBDE.

Candidates who have already passed may not retake the exam unless a dental board requires it.

Scoring and Results

The INBDE is reported as pass/fail.

Per the official INBDE results page, candidates who pass are reported only as "pass", with no number attached. Unsuccessful candidates receive the overall scale score plus performance information for the three clinical content areas and the ten foundation knowledge areas, for remediation.

Scale scores run from 49 to 99, with 75 as the minimum passing score. They are not raw scores: the guide is explicit that a 74 does not mean one more correct answer would have passed you. When the passing standard is updated, the scale is adjusted so that 75 keeps meaning the same thing. If you did receive a scale score, our INBDE score calculator shows where that number sits against the 75 line.

Two scoring details that change how you should sit the exam: you are not penalized for guessing, so leave nothing blank, and some items are experimental and unscored while looking identical to the rest.

Results are typically available approximately three to four weeks after your examination date, and the guide notes that most are reported within three weeks. An optional audit costs $105, must be requested within 30 days of the reporting date, and takes about four to six weeks.

How Hard Is the INBDE?

Most students find the exam demanding because of integration and endurance, not because every item is extremely obscure.

The structural reasons are concrete: 500 items across 12 hours 30 minutes of testing, 200 of those items case-based, with the whole second day built from patient cases.

Common difficulty drivers:

• switching between disciplines within one test flow
• interpreting patient scenarios under time pressure
• maintaining concentration over a two-day testing schedule
• balancing clinical reasoning with foundational sciences and ethics/jurisprudence

Content does shift. JCNDE publishes a running list of recent and forthcoming changes, last updated 23 September 2026. The most recent INBDE entry was implemented in 2025 and covers smoking terminology: the preferred phrasing is cigarettes per day, and where older items still use packs, one pack is defined as 20 cigarettes. No change to the exam structure is listed for 2026, so the format above is what you will sit.

How to Prepare for the INBDE (Practical Plan)

1) Anchor your prep to official materials first

Use the INBDE prepare page, the Candidate Guide, and the official JCNDE practice questions before relying heavily on secondary sources.

2) Build prep in three stages

Our free INBDE study plan generator lays these three stages out week by week from your test date and weekly study hours. Work backwards from the booking rule: if you want to test in March, you are applying and scheduling around December.

3) Review mistakes by category

After timed work, label misses as:

• content gap
• interpretation/clinical reasoning miss
• time-management miss
• careless error

This is usually where most score movement comes from.

4) Keep resources focused

Using too many platforms at once tends to reduce retention and consistency.

For structured prep options, start with one primary system and only add targeted supplements. You can compare options on our INBDE prep course page and deeper reviews.

Recommended INBDE Resources

A focused stack typically includes:

• official JCNDE resources and practice questions
• one primary question-bank/video platform
• lightweight spaced-repetition for weak areas

If useful, you can benchmark popular options here:

• INBDE Booster review
• INBDE Bootcamp review
• Booster compared with Bootcamp, if those two are your shortlist

Everything else we cover for this exam sits on the INBDE hub.

FAQ: INBDE Exam 2026

How much does the INBDE cost in 2026?

The official examination fee is $890. Candidates from non-CODA programs pay an additional $435 processing fee, and buying the INBDE and DLOSCE together at application costs $1,080.

When are the INBDE exam dates in 2026?

There are no fixed INBDE dates. The exam runs year round at Prometric centers, and you choose your own date once the JCNDE has approved your application. Schedule the appointment 60 to 90 days before the date you want, and sit both days within 7 days of each other at the same test center.

How many questions are on the INBDE?

The INBDE has 500 questions total across two days: 360 on day one and 140 on day two. Day two is entirely patient cases.

Is there a numeric passing score on INBDE?

Operational reporting is pass/fail. The 2026 Candidate Guide states that a scale score of 75 on a 49 to 99 range is the minimum passing standard, but passing candidates are told only that they passed. The number is reported solely to candidates who fail.

How long does it take to get INBDE results?

Results are typically available approximately three to four weeks after your exam date, and most are reported within three weeks. You can view them by signing in to your DENTPIN account.

What happens if I fail the INBDE?

You receive your overall scale score plus performance detail across the three clinical content areas and ten foundation knowledge areas. You must wait at least 60 days before retesting, cannot test more than four times in any 12-month period, and must pass within five years of your first attempt or five attempts, whichever comes first. Each attempt needs a new application and a new fee.

What should I do first if I am starting from zero?

Start by reading the official Candidate Guide, then map a study timeline and choose one core prep system. If you need one, use this INBDE discount page to reduce cost before buying access.

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