Instructions

 

Here are some examples. Have a go at measuring a contact point displacement using the IOTN ruler.

Rules:

Click on "Try it" and....

  1. Position the mouse cursor over the ruler, press and hold the left mouse button.
  2. Drag the ruler across to the study model.
  3. We are going to measure the contact point displacement between the distal of the upper right central incisor and the mesial of the upper right lateral incisor.