DABOI/ID Study Guide 2026: How to Pass on Your First Attempt

What the DABOI/ID Part I Written Exam Actually Tests

The American Board of Oral Implantology/Implant Dentistry (ABOI/ID) administers the Part I Written Examination as the first of two required steps toward Diplomate status on the general-dentist pathway. It is delivered at Pearson VUE testing centers as 200 single-best-answer multiple-choice questions, and candidates are given five hours to complete it. There is no built-in break - if you step away from your workstation, the clock keeps running against your five hours.

Because the exam is criterion-referenced rather than curved against other candidates in your sitting, your score is compared to a fixed competency standard, not to how the rest of the room performed. That distinction matters for how you should prepare: you are not trying to outscore peers, you are trying to demonstrate a defined level of clinical judgment across five weighted domains. For a full breakdown of what that scoring standard actually requires, see our DABOI/ID Passing Score guide.

The Five-Domain Blueprint You Must Master

The July 1, 2026 ABOI/ID Certification Exam Handbook lays out five content domains for the written exam. Their weighting is not evenly distributed, and misjudging that weighting is one of the most common reasons well-prepared dentists underperform. A full walkthrough of each domain lives in our DABOI/ID Exam Domains guide, but here is the structure you need to internalize before you build a study plan.

Registration, Fees, and the 2027 Cycle Deadlines

The published 2027-cycle fee schedule supersedes the older fee table that still appears in the handbook, so make sure you're budgeting against current numbers. For the initial written pathway, candidates pay a $600 nonrefundable application fee plus an $800 written examination fee, for a total of $1,400. If you need to retake the written exam, the reexamination fee is $800. Part II carries its own $1,500 fee, and an oral reexamination costs $1,500 as well. A complete cost breakdown, including how these figures compare across the full certification journey, is available in our DABOI/ID Certification Cost guide.

Timing matters as much as money. The next published application deadline is December 1, 2026, with the Part I examination administered on April 14, 2027. Because Part I and Part II cannot be taken within the same calendar year, candidates need to plan their case documentation and Part II preparation well in advance of sitting for the written exam. Our DABOI/ID Exam Dates guide covers the full scheduling window and how to avoid deadline conflicts.

Eligibility: CE Hours, Licensure, and Exemptions

General-dentist eligibility for the DABOI/ID pathway is not casual. Candidates need a qualifying education from a CODA/CDAC-accredited DDS/DMD program, current dental licensure, and - the requirement that catches most candidates off guard - 670 documented implant-related continuing education hours completed through AGD/PACE and/or ADA/CERP recognized programs. That CE requirement alone typically represents years of accumulated coursework before you're even eligible to submit an application. Full eligibility details, including documentation formats, are covered in our DABOI/ID Requirements guide.

There are exemption pathways worth knowing about. AAID Fellows receive a Part I exemption along with 200 CE hours of credit toward the 670-hour requirement. Separate approved specialist pathways also provide written-exam exemptions for qualifying candidates. If either applies to you, your prep timeline shifts entirely toward Part II case documentation rather than written-exam content review.

A Domain-Weighted Study Timeline

Generic study techniques like spaced repetition and structured review blocks work, but only when they're mapped to the actual blueprint weighting rather than applied evenly across content. Below is a domain-weighted allocation model rather than a one-size-fits-all calendar - adjust the week count to your own timeline, but keep the proportional emphasis on Domain 3.

Timed practice matters more for this exam than for many written boards because of the no-scheduled-break format. Practicing under realistic five-hour conditions using full-length practice tests builds the pacing stamina you'll need on exam day, since any bathroom break comes directly out of your working time.

Why Part I Is Only Half the Battle

It's worth repeating clearly: passing the Part I Written Examination does not confer Diplomate status. Part II - the oral assessment - is a separate, required component, and ABOI/ID rules prevent candidates from sitting for both parts in the same calendar year. That structural gap means your Part I study plan should also account for the case documentation Part II demands.

Part II combines standardized case scenarios with a defense of candidate-submitted cases. Candidates must submit eight distinct patient cases, each finally restored and functional for at least one year at the time of submission. The committee selects four of those eight cases for defense without advance disclosure of which ones, so every submitted case needs to be defensible, not just your strongest ones. Candidates planning their submissions should also note that oral case templates 2, 7, and 8 change for the 2027 cycle and become mandatory for all oral applicants starting in 2028 - a timing detail that matters if your case restorations are approaching their one-year functional mark around that transition.

Once you've cleared both parts and earned the credential, certification isn't the end of the obligation. Diplomates certified from 2008 onward follow an eight-year maintenance cycle requiring 160 implant-related CE hours, a take-home multiple-choice maintenance exam, an attestation, and a $250 maintenance fee. Active Diplomates also pay annual dues of $450 under the published 2025-2026 schedule. Whether that long-term investment pays off in practice is something we examine directly in Is the DABOI/ID Certification Worth It? and in our DABOI/ID Salary Guide.

Exam-Day Mechanics That Trip Up First-Timers

Most candidates who fail the written exam on their first attempt aren't failing on knowledge alone - pacing and format familiarity play a real role. With 200 questions across five hours and no scheduled break, you have roughly 90 seconds per question if you want time in reserve for flagged items. Because breaks consume examination time rather than pausing it, decide in advance whether you'll take any break at all, and if so, how short it needs to be.

Since the passing standard is criterion-referenced, there's no benefit to strategic guessing patterns aimed at "beating the curve" - there is no curve. Every question is measured against a fixed competency bar, so your best strategy is straightforward: know the material across all five domains, with proportional depth matching the blueprint weighting, and practice under realistic timed conditions beforehand. Our How Hard Is the DABOI/ID Exam guide goes deeper into what makes this exam format uniquely demanding compared to other board pathways, and our practice test platform is built specifically around this five-hour, single-best-answer format.

For a condensed, printable reference you can review in the final days before your test date, our DABOI/ID Cheat Sheet distills the domain weights, fee figures, and eligibility numbers covered in this guide into a single page.

Frequently Asked Questions