Videos are definitely the way to go! This is because the video allows the communication to take place visually and in audio format. This means that you can create an environment which lets you be in control of what you want to tell the audience. Take a look at this dentist video which I have created. It is amazing because you can then get the type of clients you want by telling them exactly what you can do for them. You need to check out an example? You can do so by finding the video below:

I believe that the next thing that you need is a medium which can reach the maximum number of people in the shortest time possible. For example, YouTube is popular because they rank easily in search engines. This means that you get yourself in front of the people that you want to meet quickly and in the shortest time possible. Targeted audience if you want to be more precise.