期刊
JOURNAL OF CLINICAL PERIODONTOLOGY
卷 46, 期 8, 页码 863-871出版社
WILEY
DOI: 10.1111/jcpe.13153
关键词
dental implant; edentulous mandible; immediate loading; loading; overdenture
资金
- Dentsply Sirona, Molndal, Sweden
- Division of Periodontology, UConn Health, Farmington, Connecticut, USA
Aim The purpose of this observational, post-trial follow-up study was to evaluate 60-month outcomes of a randomized controlled clinical trial that compared immediately and delayed loaded two unsplinted implants, supporting a locator-retained mandibular overdenture. Materials and Methods Patients from a randomized controlled clinical trial, treated with either immediate or delayed loading of two implants, supporting a locator-retained mandibular overdenture, were recalled for 60-month evaluation. Patients underwent a clinical and radiographic examination to evaluate the peri-implant soft tissue parameters and bone. Prosthetic maintenance needs and complications were also recorded. Results Twenty three of the 30 patients were available for the 60-month follow-up. The mean radiographic bone level change measured using standardized periapical radiographs from baseline to 60 months was 0.89 mm (+/- 0.74) and 0.18 (+/- 0.41) for delayed loading and immediate loading groups, respectively. A statistically significant difference was observed at 60 months with a smaller radiographic bone level change in the immediate loading group. No implants were lost between 12 and 60 months. At 60 months, per-protocol implant survival rate was 100% for both the groups. No difference was found in the peri-implant soft tissue parameters and prosthetic needs between the groups. Conclusion Both immediately and delayed loaded implants supporting a locator-retained mandibular overdenture showed similar clinical outcomes.
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