| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Dental caries extending into dentin | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Caries involving multiple surfaces of tooth | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries class I | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries class II | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries class III (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries class IV (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries class V | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries class VI | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Carious exposure of pulp (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Caries of infancy, indeterminate origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy associated with breastfeeding (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy associated with bottle feeding | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Early childhood caries | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Extensive cavitated lesion with exposed dentine | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Cementum caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Moderate cavitated lesion limited to outer half of dentin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Cementum caries | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Dental caries on pit and fissure surface limited to enamel | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on pit and fissure surface penetrating into dentin | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on pit and fissure surface penetrating into pulp | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on smooth surface limited to enamel (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on smooth surface penetrating into dentin | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on smooth surface penetrating into pulp (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries on pit and fissure surface penetrating into pulp | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries on smooth surface limited to enamel (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries on smooth surface penetrating into dentin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries on pit and fissure surface penetrating into dentin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries on pit and fissure surface limited to enamel | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries on smooth surface penetrating into pulp (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Cavitated caries | Is a | True | Caries | Inferred relationship | Some |  | 
| Non-cavitated caries | Is a | True | Caries | Inferred relationship | Some |  | 
| Secondary caries | Is a | True | Caries | Inferred relationship | Some |  | 
| Primary caries | Is a | True | Caries | Inferred relationship | Some |  | 
| Non-active caries (morphologic abnormality) | Is a | True | Caries | Inferred relationship | Some |  | 
| Active caries (morphologic abnormality) | Is a | True | Caries | Inferred relationship | Some |  | 
| Root caries | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Moderate cavitated lesion limited to outer half of dentin | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Moderate root caries lesion limited to outer half of dentin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Moderate root caries lesion limited to outer half of dentin | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Extensive root caries lesion involving dentin (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 2 | 
| Extensive root caries lesion involving dentin (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Enamel caries | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries of indeterminate origin (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, cervical origin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, proximal smooth surface origin | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, nonproximal smooth surface origin | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, pit and fissure origin | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, root surface origin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Caries of infancy | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Caries of infancy associated with breastfeeding (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Caries of infancy associated with bottle feeding | Associated morphology | True | Caries | Inferred relationship | Some | 3 | 
| Primary dental caries, multisurface origin | Associated morphology | True | Caries | Inferred relationship | Some | 4 | 
| Salivary dysfunction caries secondary to aging | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Acute dentine dental caries (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Primary dental caries, cervical origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Primary dental caries, multisurface origin | Associated morphology | False | Caries | Inferred relationship | Some | 3 | 
| Dental caries associated with enamel hypomineralization | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Nonrestorable carious tooth | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Extensive cavitated lesion with exposed dentine | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Early childhood caries | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Chronic enamel dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy, indeterminate origin | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Chronic dentine dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries class IV (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Primary dental caries, pit and fissure origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries class I | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Acute enamel dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries associated with enamel hypoplasia | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| On examination - dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Primary dental caries of indeterminate origin (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries class II | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Primary dental caries, proximal smooth surface origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Salivary dysfunction caries following radiotherapy (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy associated with breastfeeding (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Caries of infancy | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries class VI | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Incipient enamel caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Arrested dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries | Associated morphology | True | Caries | Inferred relationship | Some | 2 | 
| Salivary dysfunction dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Primary dental caries, nonproximal smooth surface origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Secondary dental caries associated with failed or defective dental restoration | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Rampant dental caries | Associated morphology | True | Caries | Inferred relationship | Some | 2 | 
| Caries of infancy associated with bottle feeding | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Dental caries secondary to acquired defects of tooth structure | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries secondary to developmental defects of tooth structure | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Odontoclasia (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 2 | 
| Cementum caries | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Secondary dental caries associated with local or systemic factors | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Salivary dysfunction caries secondary to medication | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries class III (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Enamel caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries involving multiple surfaces of tooth | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Dental caries class V | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Primary dental caries, root surface origin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Dental caries extending into dentin | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Carious exposure of pulp (disorder) | Associated morphology | False | Caries | Inferred relationship | Some | 1 | 
| Secondary dental caries | Associated morphology | False | Caries | Inferred relationship | Some | 2 | 
| Caries of smooth surface of tooth (disorder) | Associated morphology | True | Caries | Inferred relationship | Some | 1 | 
| Chronic dentine dental caries | Associated morphology | True | Caries | Inferred relationship | Some | 3 |