Jaw defect
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for the same planting group: 1. Be between the ages of 18-70 2. Patients with secondary dentition segment defects of maxilla or mandible 3. Patients with benign tumors or low-grade malignant tumors requiring dentition segment jaw resection 4. Those who are willing to implant dental implants at the same time Inclusion criteria for the second phase of the planting group: 1. Be between the ages of 18-70 2. Maxillary or mandible flap 3. More than 6 months after reconstruction 4. Those who are willing to have dental implants restored
Exclusion criteria
Exclusion criteria: Exclusion criteria for the same planting group: 1. Received or intends to receive radiotherapy or chemotherapy 2. Poor prognosis of tumors Exclusion Criteria for Phase II Implant Group: 1. Received or intends to receive radiotherapy or chemotherapy 2. Poor prognosis of tumor or tendency to recur 3. The body cannot tolerate bone reconstruction surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Success rate of jaw reconstruction;1-year success rate of implants; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of peri-implant disease;Incidence of peri-implant mucositis;Evaluation of facial symmetry;Evaluation of occlusal relationship;Evaluation of the accuracy of implant reconstruction of jaw bone;Evaluation of jaw reconstruction accuracy;Evaluation of bone remodeling around reconstructed mandibular implants - bone resorption value;Evaluation of bone remodeling around reconstructed mandibular implants - bone mineral density values;Satisfaction of patients after jaw reconstruction;Demographic information; | — |
Countries
China
Contacts
Peking University School and Hospital of Stomatology