How can you honestly claim that the human race is intelligently designed by God?

Dental problems are a direct result of agriculture and high starch diets. Early hunter/gather groups did not have modern dental problems. They also didn't have many of the problems related to modern sanitation like rodent infestations, so a lot of the things you think that we have overcome are problems that we created. Early human lifestyles also didn't allow for obesity as groups moved around and weren't able to calorie pack the way structured societies' elite groups are. I don't disagree with your point, but certainly many of the problems you point out are the result of our culture outpacing our understanding.