defect of dentition
Conditions
Interventions
Conventional surgery:The maxillary sinus has no collagen membrane
Experimental group:maxillary sinus minimally invasive surgery
Sponsors
Wuhan Union Hospital
Eligibility
Sex/Gender
All
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: (1) the age of 20 ~ 40 years old; (2) after maxillary missing teeth, alveolar ridge top to the bottom of the maxillary sinus of the available bone height less than 6 mm; (3) good oral hygiene; (4) sign the informed consent.
Exclusion criteria
Exclusion criteria: (1) the bone height above 6mm in the upper maxillary sinus is absent, and the bone height of the alveolar ridge to the maxillary sinus is greater than 6mm; (2) there was obvious inflammation in the maxillary sinus, and the patients with maxillary sinus mucosa were significantly thickened; (3) poor oral hygiene, with untreated periodontal disease; (4) systemic disease; (5) less than 3 months of lost teeth in the proposed planting area; (6) the adjacent tooth of the proposed planting site has been repaired and treated; (7) patients are not guaranteed to return on time.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| cone beam computed tomography;Dynamic Testing; | — |
Countries
China
Contacts
Public ContactCheng Yang
Wuhan Union Hospital
Outcome results
None listed