Surgery Howe and Poyton (1960) developed a criteria to diagnose the A Relation of long axis of the impacted tooth to the long axis of the second molar B Configuration of the roots of the impacted mandibular 3rd molar C Relationship of the root apices of impacted 3rd molars to the inferior alveolar canal D Position and depth of the impacted mandibular 3rd molar π‘ Explanation Howe and Poyton (1960) developed a criteria to diagnose the β Correct Answer: C. Relationship of the root apices of impacted 3rd molars to the inferior alveolar canal