Head and neck tumors, osteonecrosis, and osteomyelitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1)virtual surgical planned group:patients who will undergo jaw bone reconstruction after maxillomandibular resection due to head and neck tumor, osteonecrosis, and osteomyelitis. (2)Conventionally reconstructed group:patient whose jaw bones were reconstructed by the conventional method after ablative surgery of head and neck tumors in Tohoku University Hospital from April 2012 until October 2016 (3)older than age 20 at the time of obtaining the consent
Exclusion criteria
Exclusion criteria: (1)Pregnant or breast-feeding females and females who have a possibility of pregnancy (2)Patients with psychosis (3)Patients who have insufficient capacity to judge (4)Patients who have an allergy to resin (5)Any other inadequency for this study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Morphological evaluation of the jaw bone by images and three dimensional changes of mandibular position | — |
Secondary
| Measure | Time frame |
|---|---|
| intraoral views other images disease status and therapeutic effects | — |
Contacts
Tohoku University Hospital