Oral suctioning is a procedure to remove secretions from the mouth using suction. It is used for patients who have difficulty swallowing or producing excess saliva. The document defines oral suctioning, lists its purposes as removing secretions to clear the airway and prevent infections, and describes the Yankauer sucker and suction machine used. It provides indications for oral suctioning such as inability to clear secretions and contraindications like facial fractures or bleeding disorders. The procedure section outlines preparing supplies, gaining consent, inserting the suction tube safely, and cleaning equipment after to maintain sterility.