 A marking pen was first used to outline the incision in the submental region and it was extended from the left mandibular body to the right mandibular body region, approximately 1.5 cm medial to the inferior border of the mandible. 
A marking pen was first used to outline the incision in the submental region and it was extended from the left mandibular body to the right mandibular body region , approximately 1.5 cm medial to the inferior border of the mandible .