Responses following Luxation Injuries

Question 0

If tenderness to percussion is noted, what treatment should be carried out?

Answer 0

Pulpecctomy followed by a root filling.

Question 1

How does transient apical breakdown normally appear radiographically?

Answer 1

Radiolucency at apex of teeth with some apical internal rsorption causing the apices to open up (at about 1 year).
Followed by gradual closing of the apices with calcification of the canals (2 years)
Closing of the canals (3 yrs)
At 5 years, the tooth normally returns to normal but with narrowed canals

Question 2

Why do some endoodntist advice agaisnt the placement of a permanent root filling during orhtodontic treatment?

Answer 2

Orthodontic treatment can cause apical root resorption resulting in some root filling material protruding from the apex. It is suggested that CaOH be placed until ortho tx complete

Question 3

What are some of the calcific responses of the pulp subsequent to injury?

Answer 3

Laying down of tertiary dentine:

a) atubular
b) Tubular
c) Osteodentine
d) Calcified pulp