A 9-year-old patient exhibits left maxillary central incisor in cross bite. Supporting bone is in harmony with tooth size. The most probable cause is:

A. Premature extraction of primary right central incisor

B. Prolonged retention of primary Left central incisor

C. Absence of mandibular left central incisor

D. All of the above

Correct Answer: Prolonged retention of primary Left central incisor

Description: None

Category: Dental

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