Dental Eruption of lower 2nd molar occur before lower 2nd premolar; probable reason being A Crowding B Impaction of lower 2nd premolar C Premature exfoliation of primary 2nd molar D None of the above 💡 Explanation Eruption of lower 2nd molar occur before lower 2nd premolar; probable reason being ✓ Correct Answer: B. Impaction of lower 2nd premolar