| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Haemodynamic-modulation vessel repair implant, intracranial/carotid, polymer-metal | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic acetabular liner | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Ligation clip, metallic (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Denture clasp, metal, custom-made (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic orthopaedic cement restrictor | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic femoral head prosthesis (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic suture | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Orthodontic band, metal (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Orthodontic clasp, metal, custom-made | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal hook | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal framework | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal sound | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Dental bone matrix implant, metallic | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Surgical stainless steel suture, multifilament | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Surgical stainless steel suture, monofilament | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal dental bridge with polymer coating | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal dental crown with ceramic coating (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal dental crown with polymer coating | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Dental crown, metal (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal mesh (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic cloth | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metallic spinal fusion cage, non-sterile | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal periosteal implant | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Orthodontic clasp, metal, preformed (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Orthodontic clasp, metal wire, custom-made | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Ceramic-on-metal total hip prosthesis | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Denture clasp, metal, preformed (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| General-purpose calliper, metallic | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal dental bridge with ceramic coating (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Intrauterine device, metal-covered (physical object) | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal-on-polyethylene total hip prosthesis (physical object) | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal-backed elbow ulna prosthesis (physical object) | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal-backed patella prosthesis | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal-on-metal total hip prosthesis (physical object) | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Titanium suture, multifilament | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Titanium suture, monofilament (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Full gold crown | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Metal on polymer composite spinal fusion cage | Has coating material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Custom-made metallic osteotomy fusion cage | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  | 
| Bioabsorbable metal and polymer biliary stent (physical object) | Has compositional material (attribute) | True | Metal (substance) | Inferred relationship | Some |  |