Endodontics · single question
Cracked tooth syndrome most commonly affects which tooth?
Show answer and explanation
Correct answer: B. Mandibular 2nd molar
Mandibular molars are most affected overall; the mandibular 2nd molar is the single most commonly reported cracked tooth.
- A. Frequently involved, but recent literature most often cites the mandibular 2nd molar as #1.
- B. Correct. Multiple recent studies identify the mandibular second molar as the most commonly cracked tooth (proximity to the TMJ fulcrum and wedging by the opposing maxillary mesiopalatal cusp).
- C. Maxillary molars are affected but rank below mandibular molars.