dentition defect
Conditions
Interventions
hydrophilic short implant group:6.5mm short hydrophilic implants placed with simple osteotome sinus floor elevation
long implant group:standard long implants placed with lateral sinus floor elevation with bone grafting
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: All patients aged >=18 years who presented with an RBH of 4-5 mm under the maxillary sinus and a buccolingual bone width of at least 6.5 mm. The opposing dentition in all patients included natural or restored teeth or implant-supported fixed restorations. A minimum healing period of 4 months after tooth extraction was necessary for all patients.
Exclusion criteria
Exclusion criteria: general contraindications for implant surgery; severe hemophilia; history of irradiation in the head and neck region less than 1 year before the study; poor oral hygiene; uncontrolled diabetes; pregnancy or lactating status; psychiatric problems or unrealistic expectations; HIV infection; smoking of >10 cigarettes or cigar equivalents per day or chewing of tobacco corresponding to >10 cigarette equivalents per day; acute infection in the area intended for implant placement; local inflammation, including untreated periodontitis; severe bruxism or clenching habits; and the presence of osseous lesions.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| alveolar bone loss;endo-sinus bone gain;residual ridge height;mechanical complication; | — |
Countries
China
Contacts
Public ContactLixin Qiu
Outcome results
None listed