When it comes to SEO keyword dentistry is an important part of it and you should take some time to check this for each of your pages. You can do this manually by counting the number of words on a page and then seeing how many times your keyword is used within the text, dividing your total number of words by the number of times the keyword has been used will give you a percentage. Ideally you want the keyword density to be between 2-3% for most sites and search engines.

Rather than doing it manually, you could use a keyword density tool that will make life a lot easier. Many of them are free and will show you the keyword density percentages for one, two and three word phrases.

Previously you could add your keyword in as many times as you wanted to help get ranked but the search engines soon latched on to this and now your site can actually be penalised for over use as it can be seen as spamming.