People may think that dental exams are about X-rays and teeth cleanings. Maybe a filling here or there if they are unlucky. However, dentist may be able to recognize and diagnose numerous other potential health problems. According to Dawn West, DMD, RN with Tuffs University School of Dental Medicine, when you go for a dental checkup you might actually be saving more than just your teeth and oral health, because the mouth is the gateway to your entire organism and there might be several important signs of other diseases existent in there that a dentist may be able to see.