Dental In a 9- year-old child, caries is commonly seen on: A Occlusal surface of lower permanent first molar B Occlusal surface of upper permanent first molar C Distal surface of lower permanent first molar D Mesial surface of upper permanent first molar 💡 Explanation In a 9- year-old child, caries is commonly seen on: ✓ Correct Answer: A. Occlusal surface of lower permanent first molar