has participant quality digestive system AE periodontal disease AE 10034536 CTCAE: E10935 牙龈炎 SIDER: C0031090 SZ, SS, YH NCIt: C63743 a digestive system AE that has an outcome of inflammation and infection that destroys the tissues that support the teeth, including the gums, the periodontal ligaments and the tooth sockets HPO: HP_0000704 WEB: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0002051/ gingivitis AE AE severity G1 AE severity G2 AE severity G3