The first tooth is a big event in your baby’s young life, but it can be uncomfortable. The more you know about teething, the better you can help your baby get through it. Parents often wonder if their baby will have a problem about teething or not. Teething is the process by which a baby's teeth erupt, or break through, the gums. Sometimes they erupt early but sometimes not. With “Teething Chart” application, parents have a chance to learn “normal” and lots of beneficial information. Parents can compare their baby’s dental development with age normals.