| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire hard tissue of tooth | Is a | True | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Structure of crown of tooth | Is a | True | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Cementum structure | Is a | True | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Dentin structure | Is a | True | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Dental caries associated with enamel hypoplasia | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries secondary to developmental defects of tooth structure | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries secondary to acquired defects of tooth structure | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy, indeterminate origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy associated with breast feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy associated with bottle feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Insufficient clinical crown height due to dental caries | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Insufficient clinical crown height due to fracture | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Rampant dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Disorder of hard tissues of teeth (disorder) | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Infantile melanodontia | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Compound dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Complex dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Arrested dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to aging | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to medication | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to radiation therapy | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries associated with failed or defective dental restoration | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries associated with local or systemic factors | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Acute dentine dental caries (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Chronic dentine dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Odontoclasia (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Bad teeth/caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dentine dental caries unspecified | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries NOS | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Other teeth hard tissue disease | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Other teeth hard tissue disease NOS | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Hard tissue teeth disease NOS | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| [X]Other dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| [X]Other specified diseases of hard tissues of teeth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some |  | 
| Dental caries associated with enamel hypomineralization | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries associated with enamel hypocalcification | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Primary dental caries, multisurface origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| On examination - dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Arrested dental caries | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries associated with enamel hypomineralization | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Chronic dentine dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Acute dentine dental caries (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Odontoclasia (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries NOS | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy associated with breast feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| [X]Other dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy, indeterminate origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Infantile melanodontia | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries associated with enamel hypoplasia | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries associated with local or systemic factors | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dentine dental caries unspecified | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Complex dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Rampant dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to medication | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries secondary to acquired defects of tooth structure | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy associated with bottle feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to radiation therapy | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries secondary to developmental defects of tooth structure | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction dental caries | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Compound dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| On examination - dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Secondary dental caries associated with failed or defective dental restoration | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Primary dental caries, multisurface origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Salivary dysfunction caries secondary to aging | Finding site | True | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries of infancy | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries involving multiple surfaces of tooth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Infantile melanodontia | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Caries involving multiple surfaces of tooth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 1 | 
| Dental caries class I | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Dental caries class II | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Dental caries class III (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Dental caries class IV (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Dental caries class V | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Dental caries class VI | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Nonrestorable carious tooth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Primary dental caries, multisurface origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Caries involving multiple surfaces of tooth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Carious exposure of pulp (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Caries of infancy, indeterminate origin | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Caries of infancy associated with breast feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Caries of infancy | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Caries of infancy associated with bottle feeding | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 2 | 
| Early childhood caries | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta, hypomaturation type (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta - hypoplastic autosomal dominant - rough | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta, hypocalcification type | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta, hypoplastic type | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta, hypoplastic type with microdontia | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Enamel-renal syndrome | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta, pigmented hypomaturation type | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta - hypoplastic autosomal dominant - local | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta - hypoplastic autosomal dominant - smooth | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta (disorder) | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta - recessive - rough | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 | 
| Amelogenesis imperfecta - hypomaturation - recessive pigmented | Finding site | False | Structure of hard tissue of tooth | Inferred relationship | Some | 3 |