Prosthodontics & Occlusion · patient case question
What is the most important consideration when preparing abutments for a fixed partial denture?
Patient case: Radiographic findings, prosthodontic planning and periodontal diagnosis
Scenario: Five items.
Show answer and explanation
Correct answer: A. A common path of insertion for all abutments
- A. Correct. A multi-unit fixed restoration is rigid and must seat as one piece. If the abutment preparations do not share a single path of insertion, the bridge simply cannot be placed.
- B. Shade matters aesthetically but does not determine whether the prosthesis can be delivered at all.
- C. The opposing occlusion must be assessed, but it does not govern the geometry of the preparations.
- D. Cement selection follows the restorative material and is a later decision.
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