Localisation

Question 1

What is localisation?

Answer 1

Finding the exact position of a structure that can not be seen clinically
Overcoming limitation of 2D picture
Assessing relationships of one structure to another
Building up 3D image

Question 2

When would localisation be indicated?

Answer 2

Assessing Buccal- palatal relationship of unerupted teeth 
Position of foreign bodies
Expansion or destruction of bone
Position of salivary calculi
Separating multiple roots re. RCT
assessing displacement of fractures

Question 3

What are parallax views

Answer 3

2 views taken of same object with a change in the angulation of the beam