Endodontics · single question
A pulp chamber access cavity prepared in a mandibular canine would have which shape?
Show answer and explanation
Correct answer: C. Oval (ovoid)
The access cavity for a mandibular canine is oval/ovoid, reflecting the labio-lingual cross-sectional shape of the tooth and pulp chamber.
- A. ❌ Circular does not match the elongated anatomy of a canine pulp chamber.
- B. ❌ Rectangular/trapezoidal access is for posterior multi-canaled teeth.
- C. ✅ CORRECT – Mandibular canine access is ovoid, reflecting its elliptical pulp chamber.
- D. ❌ Triangular access is more characteristic of maxillary central incisors.