| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Lateral excursion of teeth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Protrusive excursion of teeth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Retrusive excursion of teeth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Group function in lateral excursion of teeth | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Group function in protrusive excursion of teeth | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Group function in retrusive excursion of teeth | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Height of crown of tooth | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Exfoliation of teeth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Dentin solubility, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Mastication | Is a | False | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Spitting | Is a | False | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Physiologic mineralization of tooth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Dental occlusion, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Mesial movement of teeth, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Gargling | Is a | False | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Tooth migration, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Dentin formation, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Dental enamel solubility | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Cementogenesis, function | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Retrieving food from buccal sulcus | Is a | False | Oral cavity function | Inferred relationship | Existential restriction modifier |  | 
| Motor action of oral region | Is a | True | Oral cavity function | Inferred relationship | Existential restriction modifier |  |