You wouldn’t let your car go more than six months without an oil change, so why do so many adults let their oral maintenance go ignored? Preventive dental care is an investment just like anything else, and the healthy, beautiful smile you get in exchange couldn’t be more valuable. But good dental health is about more than brushing, right? Indeed it is. Keep reading to learn everything you need to know about dental hygiene from your family dentist in Oklahoma City, Dr. Michael Kirk.