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ORIGINAL STUDY
Issue: 02/2009 - H. Schliephake - E. Nkenke
Immediate loading and immediate restoration of oral implants: indications and survival rates

Based on an analysis of the current literature, the aim of the study was to compare the survival rate of immediately loaded implants with implants loaded after an unloaded healing period.

The literature search was performed electronically. Medline and Embase were searched from 1966 to 2006. The keywords were dental implant, delayed loading, immediate loading, immediate restoration, mandible, maxilla, edentulous, oral implant, partially dentate and single-tooth in different combinations.

The results of the literature analysis show that there is evidence based on prospective randomised controlled clinical trials that immediate loading of dental implants yields survival rates that are comparable to those of implants which are loaded after an unloaded healing period. These results are found in the mandible as well as in the maxilla and in edentulous, partially dentate and single-tooth situations. The lowest survival rate for immediate loading was 81.2 %, found after twelve months for single-tooth situations in the maxilla. For the remaining situations the survival rate exceeded 95 % after twelve months.

The analysis of the literature shows that immediate loading is well established in implant dentistry for all indications. In the future it will be important to define valid criteria that allow safe patient selection for immediate loading.

Keywords: Immediate loading, immediate restoration, dental implant, unloaded healing

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