10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
The CDT-CB exam has 90 questions and runs 1 hours 30 minutes.
These 10 free CDT-CB questions are organized by exam domain, so you can see how each part of the Certified Dental Technician - Crown and Bridge blueprint is tested. Reveal the answer and explanation under each question.
A crown and bridge technician receives a preliminary impression and digital case information for a posterior restoration. Before selecting a restoration design, which action is most appropriate?
Correct answer: B - Evaluate the case requirements and fabricate or review a diagnostic cast or digital model for planning
A diagnostic wax-up shows that the proposed restoration would require excessive contouring to achieve the desired occlusion. What should the technician recognize first?
Correct answer: A - The case design may be contraindicated and requires evaluation before fabrication proceeds
A die is prepared from a master cast for a fixed restoration. Which feature is most important for accurately reproducing the prepared tooth anatomy?
Correct answer: B - A removable die that accurately represents the preparation margins
During articulation of casts, the technician notices that the mounting does not reproduce the intended relationship between the arches. What is the primary concern?
Correct answer: B - The restoration may be fabricated with incorrect functional relationships
A technician is designing a full-contour crown pattern. Which design consideration is most directly related to producing a functional restoration?
Correct answer: A - Matching the pattern design to occlusal and anatomical requirements
A post and core pattern is being fabricated for a restoration. Which step is essential before finalizing the pattern?
Correct answer: A - Ensuring the pattern reproduces the intended post and core form while maintaining restorative space
A bridge pattern is being created using a digital workflow. Which statement best reflects current crown and bridge practice?
Correct answer: B - Digital pattern creation still requires correct restoration design parameters and anatomy
A technician is preparing a wax pattern for casting. Which sequence best describes the purpose of spruing and investing?
Correct answer: A - Create a pathway for metal flow and form a mold capable of receiving the restoration material
A laboratory uses a milling workflow to manufacture a restoration. Which statement is correct?
Correct answer: B - Milling is one of the restoration manufacturing methods included in contemporary crown and bridge workflows
After casting a three-unit bridge, the restoration does not fully seat on the dies. What should the technician evaluate first?
Correct answer: A - Fit-related defects or inaccuracies before proceeding with final finishing
The CDT-CB exam also covers these domains. Drill them in the full free practice test:
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