Tooth Loss Predicts Long-Term Prognosis of Esophageal Cancer After Esophagectomy

Oral health is associated with various diseases, including cancer. Tooth loss is a simple and objective index of oral health. The purpose of this study was to investigate the association between preoperative tooth loss and esophageal cancer prognosis after esophagectomy. This study included 191 patients who underwent esophagectomy for esophageal cancer after perioperative dental evaluation and oral care at Kobe University Hospital from April 2011 to March 2016. Patients were divided into two groups: Group A (tooth loss