The European Association for Osseointegration is like a big group of people who all really like teeth and bones. They work together to learn more about how teeth and bones work and how we can help people who have problems with their teeth or bones. It is like when you and your friends work together to build a really big Lego castle. Except instead of Legos, they use really cool technology and lots of science to help people feel better and have healthier teeth and bones.