Teeth are considered to be important part of the human body. It is believed that if the mouth is kept clean and free from germs, humans can avoid almost ninety percent of the diseases that they suffer from. It is therefore important to visit the dentist for a dental check up at regular intervals of time so that teeth can be protected from decay and also other gum problems can be avoided. These days, however, dental check ups have become very expensive. People generally refrain from visiting a dentist because of the high expenses involved. Many times a good health insurance includes dental.