Orthodontic Appliances

Question 1

What type of appliance is a bite block?

Answer 1

Functional appliance

Question 2

What to twin blocks use for retention?

Answer 2

Adams clasp

Question 3

What to twin blocks aim to do?

Answer 3

Posture mandible forwards

Question 4

What malocclusion is a twin block used to tx?

Answer 4

Class II skeletal or class II incisal

Question 5

At what age are functional appliances recommended

Answer 5

Use during active growth
10-12 in female and 11-14 for males

Question 6

What instructions to give to someone with functional appliance?

Answer 6

Wear it day and night including when eating
Remove for contact sport - must wear mouthguard instead
Reassure speech/ salivation/ aching jaw muscles
Dietary advice

Question 7

Why should mouth guard be used for contact sports w/ these pt?

Answer 7

increased overjet - increased risk incised trauma

Question 8

What is a common sign that bite block is being worn?

Answer 8

Bilateral open bite

Question 9

What tx is commonly provided after twin block?

Answer 9

Transition period prior to fixed appliance - wear at night for 3 months and re-assess for need XLA and fixed appliance

Question 10

What advice give pt having fixed appliance?

Answer 10

Pain mx - will be painful after adjustment, use simple painkillers
Loose arch wire/ brackets can cause soft tissue trauma
Dietary advice inc sticky, chewy or hard food
OH
Need retainer post tx

Question 11

How mx white spots/ demineralisation in ortho pt?

Answer 11

Fluoride products - may not remove discolouration
Microabrasion