ORTHO ectopic canines

Question 1

what factors contribute to ectopic canines?

Answer 1

family history
females>males
class II div 2
hypodontia/ microdontia
late presentation
pathology - root resorption

Question 2

what is interceptive treatment for ectopic canines?

Answer 2

extraction of Cs

Question 3

what does the success of interceptive treatment for ectopic canines?

Answer 3

the portion of the root of the lateral incisor overlap with the ectopic canine

Question 4

if the interceptive treatment of ectopic canine doesnt work, what techniques can be used?

Answer 4

open exposure
closed exposure
surgical removal of canines

Question 5

what is the risk of leaving ectopic canines?

Answer 5

cystic change

Question 6

what guidelines do we follow regarding ectopic canines?

Answer 6

Royal College of Surgeons - management of the palatally ectopic maxillary canine

Question 7

in ortho, when do you take xrays?

Answer 7

confirm unerupted teeth
locate unerupted teeth
pathology
root morphology
assess skeletal pattern
monitor tx changes

Question 8

what type of radiographs do you take to locate ectopic canines?

Answer 8

vertical parallax - DPT + max occlusal
horizontal parallax - DPT + periapical