Ortho

Question 1

Components of a URA?

Answer 1

A
R
A
B

Question 2

Instructions when delivering a URA?

How would you deliver the URA and what to check for?

Question 3

How to check patient has been wearing their URA

Question 4

Management options for CII DI

Answer 4

1. Accept - very mild cases. Advice regarding mouth guard
2. Growth modification - functional appliance - only during growth years - followed by fixed appliances
   - twin block and Robert’s retractor
   - restrain maxilla and promote mandible growth
3. Simple tipping of teeth using a URA
   - Robert’s retractor with FABP
4. Fixed appliances with extractions
   - crowded arches
   - extensive overjet
5. Orthographic surgery
   - once growth complete
   - severe discrepancy

Question 5

Management options for CII DII?

Answer 5

1. Accept - pt not concerned and overbite not significant problem
2. Growth modification - modified twin block to pro line upper incisors
   - often followed by fixed appliance
3. Camouflage - accept underlying skeletal
   - for mild class II
4. Orthognathic surgery - for severe cases where orthodontics alone will not help

Question 6

Management options for CIII

Question 7

How is an orthodontic assessment carried out?

Answer 7

When are they carried out?
- comprehensive around 11/12

1. History
   - ask about malocclusion, functional or aesthetic issue?
   - habits such as digit sucking or nail biting
   - previous dental trauma
2. Extra oral
   - AP relationship
   - FMPA angle and LAFH:UAFH
   - midline
   - TMJ deviation
   - lip competence and smile line
3. Intra oral
   - IOTN
   - soft tissues such as frenum
   - oral hygiene
   - missing / extra teeth
   - crowding or spacing
   - incisor and molar class

E.g upper arch is misaligned and crowded and lower arch is alligned but spaced

Question 8

Give the risks associated with orthodontic treatment