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The purpose of the study is to analyze the 1-year and 3-year clinical performance of NDIs compared with RDIs.An electronic search from electronic databases and a hand search was performed from inception to April 2018. A meta-regression was used to evaluate the effects of the "fixed effects" model on the implant survival, prosthesis success rates and marginal bone loss with follow-up time of 1 year and 3 years. Of the 11 studies included, The overall pooled 1-year implant survival rates were 98.14% for NDIs and 98.20% for RDIs. The overall pooled 3-year implant survival rates were 98.71% for NDIs and 98.84% for RDIs. The corresponding values for 1-year prosthesis success rates were 96.94% for NDIs and 99.25% for RDIs. The corresponding values for 3-year prosthesis success rates were 89.25% for NDIs and 96.55% for RDIs. The meta-regression showed that no significant difference between narrow diameter implants and regular diameter implants in implant survival rates, prosthesis success rates and marginal bone loss(MBL) in 1-year and 3-year follow-up (P > 0.05). This meta-analysis concluded that the diameter of the implant did not affect its survival, prosthesis success rates and MBL in 1 and 3 years. The use of a narrow diameter implants instead of bone augmentation procedures with regular diameter implants does not affect its survival, prosthesis success rates and marginal bone loss in a short-term and a middle-term. However,more high-quality RCTs and long follow-up studies are needed on this topic.
This article was published in the following journal.
Name: The Journal of oral implantology
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The height of the ABDOMEN as measured in the SUPINE POSITION.
The finer blood vessels of the vasculature that are generally less than 100 microns in internal diameter.
They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system.
An analytical technique for measuring particle size of molecules that are less than a micron in diameter dispersed or dissolved in a liquid.
Hollow cylindrical objects with an internal diameter that is small enough to fill by and hold liquids inside by CAPILLARY ACTION.
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