We had taken my son to see the doctor once and it was a general cleaning. I don't have any complain about it.
However the second time came, I was delayed for 18 minutes due to something unexpected happened at work. Then at the office, we were refused to see the doctor despite my begging. (I took off half a day just to take him to the dentist.) They even rejected us to see the doctor when I agreed to wait a few hours ! So I made another appointment with them a month later. The most disgusting thing that they did to us was that they changed my appointment date to next month and pretended to leave me a message to "Confirm" about the appointment date !!
I can understand sometimes doctor need to change schedule due to emergency. But instead of apologizing to patient and ask them to reschedule, they sneakily change patient's schedule to next month. I am fed up with them!