Surgery Which of the following retractor is used for retracting the lingual flap because of close proximity of lingual nerve to mandibular 3rd molar: A Howarth retractor. B Austin retractor. C L retractor. D Any of the above. 💡 Explanation Which of the following retractor is used for retracting the lingual flap because of close proximity of lingual nerve to mandibular 3rd molar: ✓ Correct Answer: A. Howarth retractor.