| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Secondary non-active dental caries extending into enamel (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Acquired discoloration of enamel | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Acquired discoloration of enamel associated with aging | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Extensive stage caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Initial stage active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Initial stage active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Initial stage non-active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Moderate stage coronal caries | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Moderate stage non-active coronal caries | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Extensive stage non-active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Moderate stage active coronal caries | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Extensive stage active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Initial stage non-active caries of crown of tooth (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Initial stage coronal caries | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Initial stage coronal caries | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Stimmler syndrome | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Short stature, unique facies, enamel hypoplasia, progressive joint stiffness, high-pitched voice syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Deafness, enamel hypoplasia, nail defect syndrome (disorder) | Finding site | False | Enamel structure | Inferred relationship | Some | 1 | 
| Hypohidrosis, enamel hypoplasia, palmoplantar keratoderma, intellectual disability syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Late-onset localized junctional epidermolysis bullosa, intellectual disability syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Abrasion of tooth extending into pulp (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Friction injury of tooth extending into dentine (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Friction injury of tooth extending into pulp (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 3 | 
| Abrasion of tooth extending into dentine (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Amelogenesis imperfecta and gingival hyperplasia syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Trichodysplasia with amelogenesis imperfecta syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 2 | 
| Autosomal recessive brachyolmia and amelogenesis imperfecta syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 4 | 
| Amelogenesis imperfecta co-occurrent with cone rod dystrophy | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Enamel-renal syndrome | Finding site | True | Enamel structure | Inferred relationship | Some | 3 | 
| Enamel and dentine fracture (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Erythrokeratodermia cardiomyopathy syndrome | Finding site | True | Enamel structure | Inferred relationship | Some | 3 | 
| Deafness, enamel hypoplasia, nail defect syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 6 | 
| Hypomineralisation of enamel of second primary molar tooth | Finding site | False | Enamel structure | Inferred relationship | Some | 1 | 
| Hypomineralization of enamel of teeth | Finding site | True | Enamel structure | Inferred relationship | Some | 1 | 
| Fixation of orthodontic bracket to enamel of tooth using bonding agent (procedure) | Procedure site - Indirect (attribute) | True | Enamel structure | Inferred relationship | Some | 1 | 
| Ectodermal dysplasia, hyperhidrosis, cutaneous syndactyly syndrome (disorder) | Finding site | True | Enamel structure | Inferred relationship | Some | 6 | 
| Structure of enamel of molar tooth (body structure) | Is a | True | Enamel structure | Inferred relationship | Some |  | 
| Structure of enamel of incisor tooth (body structure) | Is a | True | Enamel structure | Inferred relationship | Some |  |