Computer Aided Implant Surgery (CAIS) has lately been gaining popularity among dental clinicians. Several software packages and associated tools are available on the market. Recent literature reviews show that inaccuracies often occur when these techniques are applied. In this article, the authors give an overview of the tools available for CAIS along with their benefits and shortcomings as well as possible solutions to improve overall accuracy in CAIS. Schlagwörter: Guided surgery, computer planning, CAIS