Guided Implant Surgery — ORE Part 1 MCQ

Instant feedback + full explanation. One question, done properly.

ModerateProsthodonticsGuided Implant SurgeryORE Part 1

A patient is scheduled for dental implant placement. The surgeon plans to use a computer-guided surgical approach with pre-operative CBCT imaging. What is the primary advantage of computer-guided implant surgery compared to freehand placement?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: A — Improved accuracy of implant position, angulation, and depth

Option A is correct. Computer-guided implant surgery using CBCT-based virtual planning and surgical templates has been extensively validated to improve accuracy in three dimensions: implant position (mean deviations ~0.84 mm at entry, ~1.15 mm at apex), angulation (~3.28°), and depth. This is the primary, evidence-based advantage supported by systematic reviews and meta-analyses. Option C is implausible—guided surgery requires additional planning and training, and is not faster than freehand placement. Option E is false: CBCT is essential for planning guided surgery. Option D is false: guided surgery involves additional software and manufacturing costs. Option B is false: local anaesthesia is still required for patient comfort and safety.

Reference: Tahmaseb et al. (2014) systematic review cited in: 'Accuracy of implant placement with computer-aided static, dynamic, and robot-assisted surgery: a systematic review and meta-analysis of clinical trials.' PMCID: PMC10956322; and 'Accuracy of Computer-Guided Dental Implant Placement: A Clinical Comparison of Three Surgical Guide Types.' PMCID: PMC12734060 (2024). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9694847/