ROYAL COLLEGE SURGEON - ectopic canines

Question 1

when will you know if canine is potentially ectopic

Answer 1

if not palpable in buccal sulcus by 10-11
- radiograph before 10-11 pointless

Question 2

when do interceptive

Answer 2

• not severe displaced
• 10-13 years
• maintain or create space
• give 12 months to see if works

Question 3

when do surgical exposure ortho alignment?

Answer 3

• not suitable interceptive
• pt willing wear fixed appliance
• pt well motivated good dental health
• ortho alignment possible with malposition
• success decreases with age

Question 4

when surgical removal of palatally ectopic canine

Answer 4

• pt declines and happy with appearance
• early root resorption adjacent incisors
  *if severe then XLA incisor and ortho allign canine
• good contact between 2 and 4
• evaluate possible risk of surgery to other teeth first

Question 5

when transplantation

Answer 5

• not until other tx considered or failed
• pt unwilling to wear appliances
• or malposition too bad
• adequate space for 3 and sufficient alveolar bone to accept new tooth
• no akylosis of canine
• more than 3/4 of root complete then transplanted canine may need RCT within 10 days after

Question 6

when no active tx?

Answer 6

• pt happy dont’ want tx
• no evidence of resorption or other pathology
• good contact 2 and 4
• or ‘c’ good prognosis
• severely displaced paltal canine can be left in situ
• examine regulalry