| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Biopsy of lesion of gingiva | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingivoplasty | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Suture of gingiva | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingivectomy | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Removal of suture of gingiva | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingival curettage, surgical, per quadrant | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Examination of gingivae | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Tissue conditioning of gingiva of maxilla using denture | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingival flap procedure, including root planing, per quadrant | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Removal of foreign body from gum | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Type I, gingivitis, shallow pocket therapy | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Type II, early periodontitis, moderate pocket therapy | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Dentoalveolar bone osseous surgery, including flap entry and closure, per quadrant | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Non-surgical gum biopsy | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Removal of foreign body from alveolar process mucous membrane | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingival administration of treatment | Is a | False | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Gingiva operations | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Administration of substance via gingival route | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Tissue conditioning of gingiva of mandible using denture | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Irrigation of periodontal pocket | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Irrigation of gingival operculum | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  | 
| Elevation of gingival flap and open debridement of surface of oral implant | Is a | True | Procedure on gum | Inferred relationship | Existential restriction modifier |  |