| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Class II buccal segment relationship - half unit | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Class III buccal segment relationship - half unit | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Overbite traumatic to palate | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Overbite traumatic to labial mucosa | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Mesio-occlusion of teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Vertical overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Disto-occlusion of teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Deep overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Anterior open bite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Horizontal overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 4 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 4 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 3 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Bilateral crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Buccal crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Lingual crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Crossbite unspecified | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite, multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior buccal occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Reverse posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Mesio-occlusion of teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior open bite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Vertical overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Lingual crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Class II buccal segment relationship - half unit | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Class III buccal segment relationship - half unit | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Buccal crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 2 | 
| Bilateral crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Disto-occlusion of teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Crossbite unspecified | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 | 
| Anterior crossbite involving multiple teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 4 | 
| Anterior crossbite involving single tooth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 4 | 
| Bilateral posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 4 | 
| Bilateral posterior lingual occlusion of mandibular teeth | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 5 | 
| Buccal maxillary posterior crossbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 5 | 
| Horizontal overbite | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 5 | 
| Crossbite unspecified | Associated morphology | False | Congenital malocclusion | Inferred relationship | Existential restriction modifier | 1 |