Board Review: Dental Trauma
A 43 year old female is involved in an motor vehicle collision. She complains of facial and dental pain. Exam reveals a broken lateral incisor. A pink spot is noted on the surface of the tooth. What is the diagnosis?
A. Ellis Class I Dental Fracture
B. Ellis Class II Dental Fracture
C. Ellis Class III Dental Fracture
D. Dental Subluxation
Answer: C - Ellis Class III Dental Fracture
- Outer Layer is the Enamel
- Middle Layer is the Dentin
- Inner Layer is the Pulp
Dental Fracture Ellis Classification:
- Ellis I - Fracture of Enamel (typically painless) - dental follow up +/- file sharp edge to make smooth with emery board.
- Ellis II - Fracture of Enamel and Dentin(yellowish, very sensitive) - Dental follow up and cover exposed dentin with CaOH paste.
- Ellis III - Fracture of Enamel, Dentin and Pulp (Reddish/ Bleeding) - Dental follow up within 24h and cover exposed pulp with cement. consider penicillin or clindamycin for pulpitis.
Refer Here for more info on dental presentations in the Emergency Department.