Dental The most common cause of maxillary central incisor to be in cross-bite is A Premature exfoliation of deciduous maxillary central incisors B Prolonged retention of deciduous maxillary central incisors C High labial frenum D Early loss of deciduous mandibular 💡 Explanation The most common cause of maxillary central incisor to be in cross-bite is ✓ Correct Answer: B. Prolonged retention of deciduous maxillary central incisors