Periapical radiographs must show the entire crowns and roots of the teeth being examined as well as ____ to ____ mm beyond the root apices.

Question

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Periapical radiographs must show the entire crowns and roots of the teeth being examined as well as 2.0 to 3.0 mm beyond the root apices to ensure proper visualization of the periapical region and any possible pathology in that area. Choice A (0.1; 0.5) and B (1.0; 2.0) do not provide adequate coverage, and choice D (4.0; 5.0) is excessive and may result in distortion or overlapping of structures.

Periapical Radiographs Must Show the Entire Crowns and Roots of the Teeth