For those with bad cigarette habits, tobacco cessation counseling is available. Cigarettes cause tooth loss, rot and surface stains; The hygienist makes sure to convey this information to the patient and help them understand that quitting is the best option if they want to keep their teeth. As mentioned before, the hygienist informs the patient what foods to avoid. Nutritional counseling is provided if a hygienist believes there is a danger to the patient's teeth, such as disease. (Dental Hygiene Clinic) Any food with high acidity is something a dental hygienist would recommend avoiding. For example, apples, hard candies, popcorn, diet sodas, and salad dressings. Enamel is the hardest structure in the human body. It's even harder than bone. When enamel is exposed to acids, it wears away and erodes. This is how tooth erosion and decay occurs. They will instruct the patient which foods to replace the bad ones with. Although the dentist performs the restorations, a hygienist can still inform what will happen. Since hygienists usually see patients before the dentist, they will give feedback to the dentist and recommend restorations in the mouth. They specialize in providing clinical and educational services (Sealy Dental Center), so they are very useful for dentists. When a patient has missing, chipped, or sharp teeth, a restoration is performed to replace the originals. Some examples