Sensitive teeth are regular with the changing of heat, cold, breathing and sweating. The various prevention measures for sensitive teeth are practicing a perfect method for brushing where the irregular way of brushing with excessive speed ends with loss of enamel. So the precautions for the brushing safeness should be practiced. The brushes which are used for brushing should be checked for the safety whether it is soft or not. The foods related with acidic content should be reduced for the consumption since the content may blush the content of teeth. For example, fruits like grapes, orange and lemon should be consumed less due to the presence of acetic acid. These fruits have the capability of increasing the sensitiveness of the teeth. The most causes have occurred through the regular dental exams which silently kill the enamel and cause the sensitive teeth. By the usage of mint and tobacco are the other sub reasons for the cause.