Am I too old to change my dental practice and how I run my career? I don't buy it, and I've watched the proof up close. I've worked with dentists past seventy who think and act with more motivation than colleagues forty years younger. Old is an attitude, not an age. I say that only from watching people two and three decades older than me stay enormously productive in their thinking, their results, and their capabilities. The truth is the dentists who start now, whatever age they're at, routinely add another ten or twenty genuinely productive years to their career. Age [...]