Dental and Alveolar Trauma

Question 1

Arch bars are what type of fixation

Answer 1

Semi rigid

Question 2

Duration of semirigid fixation for extrusion injuries

Answer 2

7-10 days

Question 3

Duration of semirigid fixation for lateral luxation injuries

Answer 3

2-3 weeks

Question 4

Duration of semirigid fixation for luxation injuries with simultabeous fracture of the buccal or lingual bone plate

Answer 4

4-6 weeks

Question 5

Golden period for reimplantation of avulsed tooth

Answer 5

30 mins dry
*beyond this, cells of periodontal ligament will have dried to an extent that chances of success after reimplantation will be very low

Question 6

How long can avulsed tooth be preserved in
A) spit
B) fresh milk

Answer 6

A) 2 hours
B) 6 hours

*do not use water because it will cause osmotic lysis