Hello, I am creating a custom Ricketts analysis and I am having difficulty reproducing a measurement, Occlusal Plane to Mandibular Ramus (Xi). According to the Ricketts definition, the value should be: Positive (+) when the occlusal plane is above Xi. Using the custom measurement: Type: distance_A_BC_signed The distance magnitude appears to be correct, but the sign is reversed. The measurement seems to calculate Xi relative to the occlusal plane instead of the occlusal plane relative to Xi. For…
Negative (-) when the occlusal plane is below Xi.
Point A: Xi
Point B: Anterior occlusal point
Point C: Posterior occlusal point
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