Surgery The “red line” in winter’s classification of impacted teeth represents: A The depth at which the impacted teeth is located B The angulation of the 2nd molar C The summit of the alveolar bone covering the impacted tooth D Relation of the 3rd molar to the ramus 💡 Explanation The "red line" in winter's classification of impacted teeth represents: ✓ Correct Answer: A. The depth at which the impacted teeth is located