Tooth loss in the maxillary sinus area with low residual alveolar bone height
Conditions
Interventions
2–4 mm bone chisel group:None
2–4 mm new technology group:None
4-6 mm bone chisel group:None
Sponsors
Stomatology Hospital,Zhejiang University School Medicine
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Age >= 18 years old; 2. Simultaneous implant placement during sinus floor elevation without bone grafting in the maxilla; 3. Preoperative CBCT measurement of residual bone height (RBH): 2-4mm and treated with new techniques or bone chisel method, or 4-6mm and treated with bone chisel method; 4. Complete clinical and radiological data, with a follow-up period of >= 1 year; 5. Informed consent obtained from the patient and compliance with ethical requirements.
Exclusion criteria
Exclusion criteria: 1. Comorbid uncontrolled systemic diseases (such as diabetes, malignant tumors, etc.); 2. Use of antibiotics or receipt of head and neck radiotherapy and chemotherapy within 3 months preoperatively; 3. Presence of mental illness, alcoholism, or smoking more than 10 cigarettes per day; 4. Secondary surgery following implant failure; 5. Presence of maxillary sinusitis, mediastinal conditions, or severe anatomical abnormalities.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| One-year postoperative implant survival rate;Bone gain;Osseointegration rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Implant stability (ISQ value);Incidence of complications;Surgical duration; | — |
Countries
China
Contacts
Public ContactMao Yingjie
Stomatology Hospital,Zhejiang University School Medicine
Outcome results
None listed