| Inbound Relationships | 
Type | 
Active | 
Source | 
Characteristic | 
Refinability | 
Group | 
| Transtympanic electrocochleography | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on nasal turbinate | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cauterization of internal nose | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Biopsy of lesion of gingiva | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Gingivoplasty | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cauterization of lesion of floor of mouth | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Nasal endoscopy with nasal polypectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Accessory sinus destructive procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Larynx excision | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Occlusion of nostril | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Excision of lesion of internal nose | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Biopsy of lesion of internal nose | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Biopsy of lesion of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Laryngeal mask airway insertion | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Obturator airway insertion | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Airway clearance by finger sweep | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Removal of bite guard | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Periapical curettage of tooth root | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Surgical repair of perforation of tooth root | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Debridement of periodontium | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Pericision of periodontal ligament | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Gingivectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Modified Widman flap | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Replacement of periodontal flap | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Repositioned periodontal flap | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Grafting of periodontal bone defect | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Mucogingival graft | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Insertion of mouth guard | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Orthognathic assessment and planning | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on accessory sinus | 
Is a | 
True | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Fistulization of nasal sinus | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Wax-up of trial denture | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Curettage of tooth socket | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on oral cavity | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Distal wedge periodontal procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Fine needle biopsy of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Intentional replantation with splinting | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Open reduction of closed depressed frontal sinus fracture | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Drainage of abscess of nose by internal approach | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Open reduction of open depressed frontal sinus fracture | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Control of epistaxis by excision of nasal mucosa with grafting | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Manipulation of accessory sinus | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on pharynx | 
Is a | 
True | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Pulpectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Laryngoscopy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Destruction of intranasal lesion | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Destructive procedure on larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Functional endoscopic sinus surgery, total | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Crown lengthening, hard and soft tissue | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Alveolectomy, including curettage of osteitis | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Submucous excision of cartilage of nasal septum | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Excision of lesion of epiglottis | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cannulation of nasal sinus by puncture | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dentoalveolar bone replacement graft, multiple sites, including flap entry and closure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Gingival flap procedure, including root planing, per quadrant | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Functional endoscopic sinus surgery, limited | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Incision and drainage of Ludwig's angina | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Marsupialization of cyst of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dentoalveolar bone replacement graft, single site, including flap entry and closure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Electronystagmogram | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Incision of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dilation of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Intubation of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dentoalveolar bone osseous surgery, including flap entry and closure, per quadrant | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Repair of larynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Weir operation for correction of nostrils | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental surgical procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Subgingival curettage | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Radiography of nasal sinuses | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dental debridement | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tympanometry testing | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Laryngeal intubation for inhalation | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Epistaxis control | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Periodontium curettage | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Non-surgical oral biopsy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Nasal polypectomy using auto-debrider | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Radical frontal sinus antrostomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Maxillectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Adenoid incision | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Adenoid repair | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tonsil repair | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Adenoid destructive procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Tonsil destructive procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Indirect laryngoscopy with removal of lesion | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Direct laryngoscopy with surgical procedure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Ventricular shunt to nasopharynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Curettage of adenoids | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Excision of tonsil tag | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Excision of uvula | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Cryosurgery for destruction of lesion of uvula | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Chemical cauterization for destruction of lesion of uvula | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Suture of laceration of pharynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Suprahyoid lymphadenectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Incision of tonsil | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Repair of uvula | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Closure of nasopharyngeal fistula | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Dilation of nasopharynx | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Operation on nose | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Nasal endoscopy with total ethmoidectomy | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  | 
| Nose closure | 
Is a | 
False | 
Operation on upper respiratory tract | 
Inferred relationship | 
Existential restriction modifier | 
  |