Canines

Question 1

What is the Aetiology of ectopic canines?

Answer 1

Displacement of the cyst
Long path of eruption
Retention of the primary deciduous
Short-rooted or absent upper lateral incisors
Crowding
Genetic Factors

Question 2

What is the Aetiology of canine displacement?

Answer 2

Palatal
–polygenic
–multifactorial
Buccal
–Crowding

Question 3

What are the dental anomalies associated with palatally displaced canines?

Answer 3

Hypodontia
Tooth size reduction including peg-shaped lateral incisors
Transposition
Impacted upper 1st permanent molars
Ectopic position
Infra-occluded deciduous molars
Late developing dentition

Question 4

What are the indications for surgical exposure?

Answer 4

Well-motivated patient
Well-cared for dentition
Favourable canine position
Space available

Question 5

What is the sequence of treatment?

Answer 5

Make space available
Arrange exposure
Allow the tooth to erupt
Commence traction