PPC for dentists typically falls into one of three categories: search engine optimization (SEO), display advertising, and email marketing. You can also avail the benefits of paid advertising for your dental practice from online sources.

Let's take a closer look at each: 

1. SEO – This is the most common form of PPC for dentists. By optimizing their website for search engines, dentists can earn more online traffic that leads to more patients. There are many different ways to optimize a website for search engines, but the most important thing is to make sure the website is well-researched and contains high-quality content. 

2. Display Advertising – Display advertising is another way to generate online traffic for dentists. By placing ads on websites or in print magazines, dentists can reach a large audience quickly and easily. Like SEO, display advertising requires careful planning and execution in order to be successful. 

3. Email Marketing – Email marketing is one of the oldest and most effective forms of PPC. By sending out emails to potential patients, dentists can build relationships and generate leads that they can later convert into patient appointments. Email marketing is also very cost-effective, as it doesn't require as much time or money as other forms of PPC

Different types of PPC for dentists include search engine marketing (SEM), online display advertising (ODA), and sponsored links. SEM is the most common form of PPC for dentists, as it is the most cost-effective way to reach a large number of potential customers.