A smile is something that cheers up people around you and helps in spreading a lot of positive energy around. But, there are many people who have a problem with smiling. In many instances such people suffer from different kinds of dental problems. One of the reasons is that we live in a very fast-paced world, where people do not have time for themselves. In such circumstances a lot many people forget to take care of their teeth. This can have a negative effect on your teeth since they will start losing calcium which can lead to yellowing of teeth and enamel loss. This is specifically more so in the case of smokers and those people who chew tobacco. However, it is not that difficult to bring back that perfect smile on your lips. To begin with it is important to maintain oral hygiene as this will help in making your teeth stronger. Of course, a visit to your dentist can also help in speeding up the process.