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Table 7 Peri-implant bone loss between 10 and 20 years

From: Peri-implant bone-level changes in the second decade of loading with regard to the implant–abutment connection: a retrospective study on implants under systematic aftercare

Implant type n Min. bone loss Max. bone loss Median Mean sd
Tissue-level conical 14 − 1.5 3.2 0.2 0.5 1.4
Bone-level butt-joint 41 − 1.4 2.6 0.4 0.6 0.8
Bone-level conical 38 − 1.1 4.4 1.0 1.1 1.2
Total 93 − 1.5 4.4 0.7 0.8 1.1
  1. Presentation of minimal/maximal bone loss values during the study (10 to 20 years) according to implant type
  2. sd  standard deviation