Dental 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 💡 Explanation 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: ✓ Correct Answer: B. Prolonged retention of primary Left central incisor