,After this, a mouthguard was placed in the upper teeth and a Dedo laryngoscope was placed in the patient's oral cavity and advanced through the oral cavity in the oropharynx down into the hypopharynx. 
,After this , a mouthguard was placed in the upper teeth and a Dedo laryngoscope was placed in the patient 's oral cavity and advanced through the oral cavity in the oropharynx down into the hypopharynx .