Drag each name onto its structure on a periapical and a bitewing film — enamel, pulp, lamina dura, the PDL space, caries, alveolar bone, and a metallic restoration. Radiopaque or radiolucent, structure or finding. Place it right and the rationale appears on the spot.
8 structures · about 7 minutes
Every structure named on the first try, across both films. Radiopaque vs radiolucent is instinctive for you now.
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These are real clinical radiographs used for educational identification (periapical: DenPAR dataset, CC BY 4.0; bitewing licensed for course use). Pins mark the structure in question. On an actual patient, radiographic findings always require clinical correlation. The House of Hygiene is not affiliated with or endorsed by the JCNDE.