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Table 2 Tooth-region specific equations for the prediction of IMCD derived from validation group

From: Panoramic prediction equations to estimate implant- to-mandibular canal dimensions in the mandibular posterior region: implications for dental implant treatment

Tooth Region Equation R2 RMSE (mm)
1. Premolar CBCT-D = 0.877 + 0.712 PAN-D 0.614 0.858
2. Premolar CBCT-D = 0.172 + 0.970 PAN-D 0.774 0.873
1. Molar CBCT-D = 0.744 + 0.794 PAN-D 0.571 1.116
2. Molar CBCT-D = 1.384 + 0.735 PAN-D 0.409 1.162
  1. CBCT-D Implant-to-MC dimensions by cone-beam computed tomography; PAN-D Implant-to-mandibular canal dimensions by panoramic radiography; P premolar; M molar; RMSE root means-squared error; n number; SD standard deviation