Is the cortical bone too thick for augmentation?

Last Updated June 18, 2019
Reviewed By:  Dr. Peter Hunt

This patient needs an implant in lower left first molar area. CBCT shows that the bone width is about 5 – 5.5 mm. Also it is visible that cortical bone is about 2 mm thick. If I perform a lateral bone augmentation with xenograft and a collagen membrane, I expect that there will be insufficient blood supply, increasing the risk of failure. In this case I have 2 options: 4.1mm implant with augmentation or 3.3mm without augmentation. Which one is safer in your opinion?

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