Being afraid of dentists it's a common thing among adults. However, if you want to help him, you should understand when this fear began and why. It will create a much better understanding of how to help him. For me, it was enough to change the specialist and go for an appointment one time. I have been working with crowndentalgroup.com.au for some years now, and I feel at home, every time I visit them. Moreover, they have an online chat, you can ask them if they have any tips, I am sure they'll love to help you.