Dental In primary dentition the anatomic structure used to determine the molar relationship A Mesio buccal cusp of primary 2nd molar B Distal plane of primary 1st molar C Mesial surface of primary 1st molar D Distal plane of primary 2nd molar 💡 Explanation In primary dentition the anatomic structure used to determine the molar relationship ✓ Correct Answer: D. Distal plane of primary 2nd molar