Medical MCQ-If the pulp of the single rooted canal is triangular in cross-section with the base of the triangle located facially and apex located lingually with the mesial arm longer than the distal, the tooth is most likely:

If the pulp of the single rooted canal is triangular in cross-section with the base of the triangle located facially and apex located lingually with the mesial arm longer than the distal, the tooth is most likely:

Max. central incisor

Max. lateral incisor

Mand. second premolar

Mand. central incisor

Question Category:

Dental

Correct Answer:

Max. central incisor

Description:

SHAPE OF ACCESS CAVITY: Maxillary Incisors - Rounded triangle with the apex towards cingulum. Maxillary Canine - Ovoid labiolingually. Maxillary Premolar - Ovoid in Buccolingual direction (Slot shaped). Maxillary Molars - Triangle in the mesial half base towards buccal and apex towards palatal side. Note if asked in exams: - Rhomboidal (1st choice) - Rounded Triangle (2nd choice) Modified Access Cavity in maxillary molars (to accommodate accessory orifice): - Clove leaf. - Shamrock preparation. MANDIBULAR TEETH: Mandibular Incisors - Narrow rounded triangle or ovoid. Mandibular Canine - Ovoid / funnel shaped. Mandibular Premolar - Ovoid buccolingually. Mandibular Molars - Trapezoidal (1st choice) - Rounded Triangle (2nd choice)

Previous MCQ

Next MCQ

Get More

Subject Mock Tests

Try practicing mock tests with over 200,000 questions from various medical subjects.

Attempt a mock test now

Mock Exam

Attempt an exam of 100 questions randomly chosen from all subjects.

Coming Soon