Dentition Defect
Conditions
Interventions
robot group:Under robotic assistance, the socket is prepared step-by-step. The maxillary sinus floor is elevated by the robot using the internal sinus lift module, and finally, the implant is placed w
free hand group:The control group surgeries were performed by experienced surgeon. The procedure required the use of the osteotome technique to remove the sinus floor bone, manually elevate the maxill
Sponsors
School of Stomatology, The Fourth Military Medical University
Eligibility
Sex/Gender
All
Age
20 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Age >=20 and <=70 years old, regardless of gender; 2. Patients with missing teeth in the maxillary posterior region requiring maxillary sinus floor elevation for implant placement; 3. No soft or hard tissue defects or lesions in the implant area that would affect implant placement; 4. Participants voluntarily agree to participate and sign an informed consent form.
Exclusion criteria
Exclusion criteria: 1. Individuals with poor general health or nutritional status; 2. Patients with uncontrolled endocrine or metabolic diseases (e.g., fasting blood glucose >=10 mmol/L); 3. Patients with uncontrolled hematological or cardiovascular diseases; 4. Systemic or local bone diseases considered contraindications for implant restoration, such as bone tuberculosis, osteitis, bone tumors, etc.; 5. Patients with systemic autoimmune diseases or infectious diseases; 6. Individuals on long-term use of specific medications such as hormones, anticoagulants, bisphosphonates, etc.; 7. Pregnant women, women of childbearing age with pregnancy intentions, and lactating women; 8. Patients with neurological disorders, such as epilepsy; 9. Patients with psychiatric disorders or psychological barriers; 10. Individuals with pathological changes in the jawbone; 11. Patients with pathological mucosal lesions; 12. Patients who have undergone head and neck radiotherapy; 13. Patients with Sjögren's syndrome; 14. Individuals with uncontrolled periodontal disease or extremely poor oral hygiene; 15. Individuals with harmful occlusal habits, such as bruxism; 16. Individuals who smoke more than 10 cigarettes per day; 17. Individuals who have participated in other clinical trials within the past three months; 18. Other conditions deemed unsuitable for participation by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| sinus membrane perforation rate;implant placement accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| surgical duration;Patient objective evaluation; | — |
Countries
China
Contacts
Public ContactRui Xie
School of Stomatology, The Fourth Military Medical University
Outcome results
None listed