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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Dent Clin North Am. 2015 Aug 6;59(4):859–872. doi: 10.1016/j.cden.2015.06.009

Figure 2.

Figure 2

Illustration of the bisecting-angle technique. The film is placed as close as possible to the lingual surface of the tooth, the x-ray beam is perpendicular to the imaginary bisector plane.