Investigation of a new evaluation method using test gummy jelly which comprehensively evaluates chewing swallowing movement after mandibular bone reconstruction - A study on a method to evaluate chewing swallow after mandibular reconstruction by gumjelly

Patients who had undergone mandibular reconstruction and had no mastication or swallowing problems were included in the study. The subjects were asked to chew and their chewing efficiency was measured. The patients swallowed the chewed gummy jelly, and the state immediately before swallowing the gummy jelly and the swallowing movement were simultaneously observed using a transnasal optical endoscope to observe the swallowing function.