Radiographic Quality Audit — ORE Part 1 MCQ

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ModerateRadiology & ImagingRadiographic Quality AuditORE Part 1

A dental practice is considering switching from film-based to digital radiography. According to FGDP guidelines, what is the minimum target for radiographic quality rating when using digital sensors?

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Correct answer: C — 95% of images rated as diagnostically acceptable

The FGDP establishes 95% as the quality assurance target for digital radiographs: the proportion rated as diagnostically acceptable (i.e. able to identify necessary structures for diagnosis and treatment, requiring no retake). This reflects the clinical reality that not all radiographs will be perfect on first attempt, but a high standard of diagnostic utility must be maintained to minimise patient radiation exposure from repeat imaging. Option A (90%) and C (80%) represent lower, inadequate thresholds; D (100%) is unrealistic and unachievable; E (70%) falls well below any acceptable audit standard. The 95% benchmark applies to departmental or practice audits and is the current UK expectation.

Reference: Faculty of General Dental Practice (UK). Referenced in: Enhancing Diagnostic Quality of Intra-Oral Radiographs Through Targeted Training Interventions and Super User Integration. PMC11970211. Published 2024. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11970211/