Dental A single force is applied to the crowns of the upper incisors. Tipping is around the point of rotation present at: A Infinity B Apical 1/3rd C middle 1/3rd D Coronal 1/3rd 💡 Explanation A single force is applied to the crowns of the upper incisors. Tipping is around the point of rotation present at: ✓ Correct Answer: B. Apical 1/3rd