| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Amalgam restoration, three surfaces, primary (procedure) | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, two surfaces, permanent | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, four or more surfaces, primary | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, one surface, permanent | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, two surfaces, primary | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, three surfaces, permanent | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, four or more surfaces, permanent | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Reinforced pin amalgam, Markley type procedure | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  | 
| Amalgam restoration, one surface, primary | Is a | True | Insertion of amalgam restoration into tooth | Inferred relationship | Some |  |