A dental checkup is a good thing, and you should get every six months once. Those who regularly get checkups are less probable to ever address a critical dental issue that requires an invasive remedy.
These are a few of the reasons why dental checkups are important to prevent from
Plaque, Tartar, and Cavities
Gum Disease
Oral cancer
Detect systemic health issues ( check the lymph nodes, neck and jaws for swelling)
Bad Habits (Tobacco and Oral Diseases)
Find Problems Under the Surface With X-Rays