A panoramic radiograph shows the mandibular canine occupying the position normally held by the lateral incisor (the two teeth have switched positions). This anomaly is:

Correct answer: C. Transposition

• A. Gemination is one tooth bud attempting to split (one root, two crowns).
• B. Fusion is the union of two adjacent tooth buds.
• C. Correct. Transposition is the positional interchange of two adjacent teeth.
• D. Dilaceration is an abrupt bend in a root/crown.