A dentist provides care for a patient’s teeth, gums, and oral health. They provide a number of services. Dentists repair fractured teeth, fill cavities, remove tooth decay, straighten teeth, place sealants, whiten patient’s teeth, and educate on proper oral hygiene. They also must diagnose what is going on with a patient’s mouth so they read X-rays as well and look for potential jaw problems, gum disease, or cavities. A dentist must earn a doctorate degree and be licensed to practice. You must graduate with at least a bachelor’s degree before entering a dental doctoral program. Students must take an entrance exam called the Dental Admission Exam prior to acceptance.