| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Turner's tooth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dentinogenesis imperfecta | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Odontogenesis imperfecta | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Moon molar teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Exaggerated cusp of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Exaggerated cingulum of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| False anodontia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of one tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary deciduous tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Duplication of teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Enamel spur | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dentin dysplasia | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dentin dysplasia, type II | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Protrusion of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Precocious exfoliation due to ectopic eruption of proximate tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Precocious exfoliation of teeth due to idiopathic root resorption | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Precocious exfoliation of teeth due to root resorption following trauma | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hyperplastic tooth follicle | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary cusp | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Horner's teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary roots | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly in number of teeth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Embedded tooth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Fusion of teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Natal tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Anomaly of dental arch | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Peg-shaped teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Microdontia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Concrescence of teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hypoplasia of cementum | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Enamel pearls | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Papillon-Lefèvre syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Taurodontism | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dens evaginatus | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Cleidocranial dysostosis | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Regional odontodysplasia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Shell teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Horizontal overbite | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Xeroderma, talipes and enamel defect syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Macrodontia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Amelogenesis imperfecta | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Anomaly of tooth position | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Mottled teeth, congenital | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Color changes during tooth formation | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hutchinson's teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Generalized macrodontia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Malformation of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Crossbite | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Abnormal root proximity between adjacent teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Diastema of teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Impacted incisors | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Impacted premolars | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Impacted molars | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Crowding of teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectopic tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Rotation of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dens in dente | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Reverse position of adjacent teeth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Nance-Horan syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Shovel-shaped incisor | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary deciduous tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Solitary median maxillary central incisor syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Globodontia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hypoplasia of first permanent molar tooth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Localized hypoplasia of tooth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Haim Munk syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Acro-dermato-ungual-lacrimal-tooth syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Odonto-tricho-ungual-digito-palmar syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ackerman syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Non-eruption of teeth, maxillary hypoplasia, genu valgum syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Short stature, unique facies, enamel hypoplasia, progressive joint stiffness, high-pitched voice syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Alaninuria, microcephaly, dwarfism, enamel hypoplasia, diabetes mellitus syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia trichoodontoonychial type | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Trichodermodysplasia and dental alterations syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hypotrichosis, osteolysis, periodontitis, palmoplantar keratoderma syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Odonto onycho dysplasia with alopecia syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Nail and tooth abnormalities, marginal palmoplantar keratoderma, oral hyperpigmentation syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Trichoodontoonychial dysplasia | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Pilodental dysplasia, refractive errors syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia syndactyly syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Lateral accessory root canals | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dental midlines coincident and incorrect | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Postaxial polydactyly, dental, vertebral anomalies syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Craniosynostosis and dental anomalies syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Late-onset localized junctional epidermolysis bullosa, intellectual disability syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Temtamy preaxial brachydactyly syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Congenital deafness with labyrinthine aplasia, microtia and microdontia | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Skeletal dysplasia with wormian bone, multiple fractures, dentinogenesis imperfecta syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Osteogenesis imperfecta with blue sclerae AND dentinogenesis imperfecta | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Chondrodysplasia, dentinogenesis imperfecta, joint laxity syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Dentinogenesis imperfecta, short stature, hearing loss, intellectual disability syndrome | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Radicular cyst | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Intrinsic enamel discoloration of erythroblastosis fetalis | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Hutchinson's triad | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia with hair-tooth defects | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia with tooth-nail defects | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia with tooth-sweating defect | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Pre-eruptive color change of tooth | Is a | False | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Intellectual disability, congenital heart disease, blepharophimosis, blepharoptosis and hypoplastic teeth | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  | 
| Palatal anomalies, widely spaced teeth, facial dysmorphism, developmental delay syndrome | Is a | True | Congenital anomaly of tooth | Inferred relationship | Existential restriction modifier |  |