CDT-PD Pass Rate 2026: What the Data Shows

What "Pass Rate" Actually Means for the CDT Partial Dentures Exam

If you are searching for the CDT-PD pass rate, you are probably trying to answer one of two questions: "How likely am I to pass?" or "Is this exam worth the money and time?" Both are fair questions. The honest answer begins with a clarification: the Certified Dental Technician (CDT) credential in the Partial Dentures specialty, administered by the National Board for Certification in Dental Laboratory Technology (NBC), is not a single test. It is a certification built from multiple components, and "pass rate" can mean something different for each one.

For the Partial Dentures route, a candidate typically faces a comprehensive written exam, a specialty written exam, and a hands-on practical. Someone who already holds a CDT and is adding the specialty faces only the specialty written and the practical. A single headline percentage would blend very different populations and very different tasks. That is why this article focuses on what the structure of the exam tells you about your odds, rather than on a number that cannot be verified.

What Published Data Exists (and What Doesn't)

NBC publishes detailed information about eligibility, fees, exam formats, and content outlines. What the sources we reviewed do not provide is a per-specialty historical pass-rate table. Here is a clear breakdown of what you can and cannot rely on.

If you want to understand the passing standard itself, see our companion piece on the CDT-PD passing score, which explains how NBC communicates the written passing requirement to candidates.

Why a Single Pass-Rate Number Would Mislead You

Even if a percentage were available, it would tell you less than you might hope. Consider the factors that make any aggregate figure a poor predictor for an individual candidate:

• Self-selected candidates. Eligibility requires a high-school diploma or equivalent, working English, satisfactory ethical and legal standing, and an NBC-approved technical pathway, which typically means years of documented dental-technology experience. These are working technicians, not first-time test takers wandering in off the street.
• Mixed attempts. A pass rate that blends first attempts and retakes hides how preparation changes outcomes.
• Different pathways. A candidate with five years of full-time bench experience, a two-year CODA program graduate with two additional years, and a candidate using CE-substitution all arrive with different backgrounds.
• Component confusion. Written and practical results measure different skills. A strong bench technician can still stumble on written theory, and vice versa.

For a candid look at how candidates experience the exam, read How Hard Is the CDT-PD Exam?, which complements the structural analysis here.

How the Exam Structure Shapes Your Chances

The specialty written exam

The CDT-PD specialty written component contains 90 administered questions: 80 are scored and 10 are unscored field-test items. You have 1 hour 30 minutes. Items are four-option, single-best-answer multiple choice, and some use completion-style stems (an incomplete statement you finish by choosing the best option).

Two practical implications follow. First, you cannot tell which 10 items are unscored, so you must treat every question as if it counts. Second, "single best answer" means more than one option may be partially defensible. Your job is to select the most correct choice, which rewards candidates who understand the reasoning behind framework design, not just memorized terms.

The testing environment

Written exams are delivered through FastTest computer-based testing with MonitorEDU remote proctoring. Sessions are closed-book: no outside assistance, no books, no dictionaries, and no scratch paper. There is no scheduled break. Remote testing requires a private workspace, a compatible computer with webcam and audio, a working internet connection, a smartphone camera, and photo ID.

Where Candidates Gain or Lose Points: The Blueprint

The blueprint is the closest thing to a map of where your score comes from. NBC publishes percentage ranges, not fixed weights, so we preserve those ranges exactly. For a deeper walk through each area, see our complete guide to all 8 CDT-PD content areas.

Together these two domains account for a large share of the scored written content. A candidate who is weak in both is statistically exposed, because the remaining six domains each carry a smaller range. The smaller domains still matter: Procedures for Repairs and Alterations (11-13%) and Manufacture Partial Dentures Frameworks (10-12%) are meaningful chunks that candidates sometimes underweight because they feel "routine."

The Practical: Four Grading Groups, Zero Compensation

This is the part of the exam where the structure is most unforgiving, and it matters for any honest discussion of pass rates. The practical is hands-on and consists of 5 hours 15 minutes of timed work plus advance preliminary work. Practical work is independently graded by three examiners. Four grading groups are evaluated: preliminary work, design, waxing, and metalwork. All four must pass, and every required practical subtest must pass in the same administration.

That last point deserves emphasis. A strong waxing performance does not offset a failed design. There is no averaging across groups.

Practical testing takes place at a suitable dental laboratory with MonitorEDU or at a scheduled volunteer-host group site. Remote practical windows run in January, March, May, July, September and November. Because the practical is time-constrained, speed and consistency matter as much as knowledge. For more on this component, see our overview of the CDT partial dentures practical exam within the broader CDT-PD study guide.

Retake Mechanics and the Four-Year Clock

Understanding what happens after a failed attempt is part of reading the "pass rate" honestly, because it shapes the real cost of a miss.

• Written retakes: Failed written candidates wait at least 30 days before reapplying and pay a new exam fee.
• Application timing: Written windows run monthly, with applications due by the 20th of the preceding month. A retake therefore usually lands later than the minimum wait implies.
• The four-year window: Initial components may be taken in any order but must all be passed within four years of the first pass. An eligible current Recognized Graduate (RG) examination substitutes for the comprehensive within its four-year allowance.
• Accommodations: Requests require supporting documentation and at least 30 days' advance written notice, so plan these well ahead of your target window.

Because you have a multi-year window to complete all components, failing one attempt is recoverable. It is a setback in time and money, not the end of the road. Check CDT-PD exam dates, windows and deadlines to map out a realistic retake calendar.

The Financial Side of a Failed Attempt

Pass rates matter most to people because failing is expensive. The NBC exam fees are:

Those subtotals cover exam fees only. Budget separately for preparation, materials, equipment, applicable shipping, travel, renewal, and any retakes. A failed practical is the costliest miss at $650 per attempt, which is one more reason to invest in preparation before you sit. Our CDT-PD certification cost breakdown goes line by line through these expenses.

On the earnings side, the U.S. Bureau of Labor Statistics reports a $49,610 median annual wage for dental laboratory technicians in May 2025. That is occupation-wide context, not specialty pay and not a certification premium, so it should not be read as what a CDT-PD earns. For a fuller discussion, see the CDT-PD salary guide and whether the certification is worth it.

Improving Your Odds: A Domain-Sequenced Plan

Rather than a generic schedule, sequence your preparation around the blueprint weights and the practical's pass-all structure. This is one possible order for a six-week written-focused plan, assuming you are also practicing bench skills for the practical.

Use a CDT partial dentures practice test to simulate the four-option, single-best-answer format and to find which domains are costing you points. For a fuller approach to preparation, the CDT-PD study guide covers resources and pacing in more detail, and the one-page cheat sheet is a useful final review before test day.

Frequently Asked Questions