Endodontics · single question
Which combination has the BEST prognosis?
Show answer and explanation
Correct answer: C. Craze line (infraction) + fractured cusp
Prognosis worsens craze line → fractured cusp → cracked tooth → split tooth → vertical root fracture.
- A. A cracked tooth carries a guarded prognosis.
- B. Vertical root fracture has the worst prognosis (often hopeless).
- C. Correct. Infractions (craze lines) and simple cusp fractures are the least severe and carry the best prognosis.