Schneiderian membrane perforation
Conditions
Interventions
Sinus membrane was intact after surgery.:none
Sinus membrane perforated after surgery,with a perforation less than 5 mm in diameter.:none
Sponsors
Affiliated Stomatological Hospital of Southwest Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. No systemic disease; 2. No acute apical inflammation; 3. No active/uncontrolled periodontal disease; 4. Maxillary posterior tooth loss for 3 months or more; 5. Preoperative CT showed that the height of maxillary sinus base from alveolar ridge was between 3-8mm; 6. There should be at least 1mm bone width on the buccolingual side of the missing tooth area; 7. No contraindications to implant surgery and no acute or chronic maxillary sinus lesions; 8. Keratinized gingiva exists; 9. Good oral hygiene; 10. Be at least 18 years old.
Exclusion criteria
Exclusion criteria: 1. Systemic diseases; 2. Acute periapical disease; 3. Active/uncontrolled periodontal disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Implant survival rate;Implant infection rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Residual bone height around the implant; | — |
Countries
China
Contacts
Public ContactYu Ke
Affiliated Stomatological Hospital of Southwest Medical University
Outcome results
None listed