Ellis Classification Of Tooth Trauma

Question 1

Ellis 1

Answer 1

Enamel

Primary - smooth sharp edges
Permanent - contouring or restore with composite

Question 2

Ellis II

Answer 2

Enamel and Dentin

Primary - GIC - > composite or stainless steel crown
Permanent - GI or composite

Question 3

Ellis III

Answer 3

Enamel, Dentin, and Pulp

Primary - Pulpotomy/Pulpectomy
Permanent
°small exposure w/n 24 hrs. (Direct Pulp Capping)
°large exposure w/n 24 hrs (Partial Pulpotomy)
°large exposure late appointment and open apex (Apexification)
°large exposure, late appointment closed apex (RCT)

Question 4

Ellis IV

Answer 4

Pulp Necrosis, Periapical

Primary - Pulpectomy /Extraction
Permanent - open apex (apexification)
Closed apex (RCT)

Question 5

Ellis V

Answer 5

Avulsion

Primary - Do NOT reimplant
Permanent - Reimplant

Question 6

Ellis VI

Answer 6

Root Fracture

Primary - Extraction
Permanent - Reposition and stabilize for 4 weeks

Question 7

Ellis VII

Answer 7

Displacement

Primary - Reposition
Permanent - Reposition and stabilize

Question 8

Ellis VIII

Answer 8

Crown and Root Fracture

Primary - Extraction
Permanent - fragment removal, rct, post retained crown