Diagnosis and Treatment Planning

Question 1

What are the objectives of orthodontic treatment?

Answer 1

To produce an occlusion which is
–stable
–functional
–aesthetic
To facilitate other forms of dentistry

Question 2

What are the stages of orthodontic treatment planning?

Answer 2

Plan around the lower arch
Decide on treatment in the lower
Build upper arch around lower (aim for class I incisor and canine relationship)
Decide on molar relationship (class I or full unit class II molar relationship)

Question 3

What are the general principles for space required in the lower arch? (mild, moderate, severe)

Answer 3

Mild (0-4mm)
–non extraction, stripping
Moderate (4-8mm)
–extract 5’s or 4’s
Severe (8+mm)
–extract 4’s

Question 4

What is the retention phase?

Answer 4

Retainers needed to hold teeth in position after active movement

Question 5

What are the treatment options for malocclusion?

Answer 5

Accept it
Extractions only
URA
Functional appliances
Fixed appliances
Complex treatment involving orthodontics and restorative treatment or surgery