Mixed dentition

Question 1

What order to do serial extractions in?

Answer 1

1. Deciduous canines
2. first deciduous molars
3. first premolars.

Question 2

What is Ehlers-Danlos syndrome?

Answer 2

characterised by hyper extensible skin, tendency to bruise and hypermobility of joints.

premature exfoliation of teeth due to early onset periodontal disease with type VIII.

Question 3

What are the advantages of high copper amalgam over conventional amalgam?

Answer 3

1. better corrosion resistance
2. less creep.
3. absence of gamma 2 phase (which is weakest phase)
4. higher initial strength.