Bite is the relationship between the upper and lower jaws and teeth, including the proportions and contact areas of the teeth and jawbone at rest and when chewing. Normally, the teeth must meet the standards of balance and beauty between the two jaws to be considered a standard bite.

Whether or not to let your baby suck on a pacifier will depend on the benefits and risks to your baby's health. If you decide to use a pacifier for your baby, you must know how to use it properly, limit the length of time it is used, and regularly check and replace the pacifier after a period of use.