<prompt> Which of the following retractor is used for retracting the lingual flap because of close proximity of lingual nerve to mandibular 3rd molar:Howarth retractor.Austin retractor.L retractor.Any of the above.  <response>: Howarths retractor: Howarths elevator can be used for retracting the lingual flap because of close proximity of the lingual nerve in relation to the impacted third molar. 