Maxillary posterior tooth loss accompanied by severe alveolar bone atrophy
Conditions
Interventions
Control group:Traditional Instruments
Experimental group:Multifunctional Maxillary Sinus Endoscope
Sponsors
PLA General Hospital Fourth Medical Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.In good general health without major systemic diseases, able to tolerate maxillary sinus surgery; 2.Single or multiple missing posterior teeth in bilateral maxillary regions; 3. Tooth extraction performed =3 months prior, with satisfactory soft/hard tissue healing; 4. CBCT showing residual bone height =6.0 mm; 5. Normal mesiodistal dimension and occlusogingival space in the edentulous area; 6. Absence of acute/chronic maxillary sinus pathologies; 7. Patient requires minimally invasive procedure and voluntarily signs informed consent form.
Exclusion criteria
Exclusion criteria: 1. Patients with other severe systemic diseases who cannot tolerate surgery; 2. Patients with maxillary sinus hypoplasia; 3. Patients with uncontrolled periodontal disease; 4. Patients with severe septa in the maxillary sinus mucosa; 5. Patients with severe occlusal dysfunction or bruxism; 6. Patients unwilling to participate in clinical research or unable to adhere to the follow-up schedule.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Classification of Mucosal Characteristics;Mucosal Dissection Range;Postoperative Implant Survival Rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Device Deformation Capacity;Steering Capability;Incidence of Mucosal Perforation;Bone Grafting Space;Surgical Duration;Intraoperative Blood Loss;Intraoperative Pain Score;Multipurpose Capability and Functional Diversity Indicators; | — |
Countries
China
Contacts
Public ContactLi Yanfeng
PLA General Hospital Fourth Medical Center
Outcome results
None listed