| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Standard edgewise fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Fully preadjusted fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Begg fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Combination fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Lingual fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Tip edge fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Beddtiot fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Ricketts fixed orthodontic appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Fit fixed functional orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Insertion of component of fixed orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic band | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Placement of orthodontic bracket | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic lip bumper | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic palatal arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Placement of orthodontic lingual arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Placement of orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic archwire auxiliary | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic coil spring | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic elastic thread | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic elastic chain | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of fixed rapid maxillary expansion appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Fitting of fixed orthodontic retainer | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Adjust fixed orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Activate orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Reposition orthodontic bracket | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Convert orthodontic buccal tube | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust palatal arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Adjust lingual arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Adjust rapid maxillary expansion appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Adjust fixed functional appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Repair of fixed orthodontic appliance component | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Repair fixed functional appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Comprehensive orthodontic treatment, permanent dentition, for class I malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, permanent dentition, for class III malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, transitional dentition, for class III malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, transitional dentition, for class II malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, permanent dentition, for class II malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, transitional dentition, for class I malocclusion | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy for tooth guidance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy for interceptive orthodontic treatment | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy for control of harmful habit | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Complete removal of fixed orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic lingual arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Fixed appliance therapy for interceptive orthodontic treatment | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Fixed appliance therapy for control of harmful habit | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, permanent dentition, for class I malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fit fixed functional orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Comprehensive orthodontic treatment, permanent dentition, for class II malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic palatal arch | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Insertion of component of fixed orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic archwire auxiliary | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic elastic thread | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fitting of fixed orthodontic retainer | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Comprehensive orthodontic treatment, transitional dentition, for class II malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust fixed orthodontic appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Reposition orthodontic bracket | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust fixed functional appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Convert orthodontic buccal tube | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of fixed orthodontic appliance component | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Repair fixed functional appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Comprehensive orthodontic treatment, transitional dentition, for class III malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic bracket | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic band | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Placement of fixed rapid maxillary expansion appliance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Placement of orthodontic elastic chain | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic coil spring | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic lip bumper | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Placement of orthodontic archwire | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, permanent dentition, for class III malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy for tooth guidance | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Comprehensive orthodontic treatment, transitional dentition, for class I malocclusion | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed appliance therapy | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Adjust fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Complete removal of fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Convert orthodontic buccal tube | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of fixed orthodontic appliance component | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Reposition orthodontic bracket | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of orthodontic archwire | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 2 | 
| Functional orthodontic appliance - fixed | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Fixed orthodontic expansion appliance | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Fitting of complete fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Insertion of complete fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of fixed orthodontic appliance component | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Removal of fixed orthodontic appliance | Direct device | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 | 
| Fixed orthodontic appliance component | Is a | True | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier |  | 
| Direct bonding of gold chain to unerupted tooth | Direct device | False | Fixed orthodontic appliance | Inferred relationship | Existential restriction modifier | 1 |