Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2010. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Ulcerative gingivitis | Is a | True | Ulceration of gingivae | Inferred relationship | Some | |
| Superficial gingival ulcer | Is a | True | Ulceration of gingivae | Inferred relationship | Some | |
| Traumatic ulceration of gingiva due to brushing of teeth | Is a | True | Ulceration of gingivae | Inferred relationship | Some | 
Reference Sets