Regarding cavities on baby teeth, many parents often ask “why should a cavity on a baby tooth be treated if it is just going to fall out later?” We answer that question in the following way:

  • See chart below to review when baby teeth are expect to erupt as well as be lost
  • Second, if we determine that a baby tooth has a cavity but is expected to fall out within the following six months, the tooth most likely should not need treatment, unless an infection is present. However, when a baby tooth affected with a cavity is expected to remain in the mouth for a longer period of time, proper restorative treatment is necessary for a few reasons:
    1. Bacteria from the cavity can spread and lead to other cavities in the mouth, including future cavities on adult teeth.
    2. An untreated cavity often will become larger and can cause pain and breaking of the tooth. If this occurs, chewing and nutrition can be affected.
    3. If a cavity is left untreated, it will become larger and the tooth will abscess or cause an infection. In addition to being a painful consequence to an untreated cavity, an abscess in baby teeth can spread to the underlying adult teeth. This can cause discolorations or malformations in the adult teeth or even stop their development completely.

Baby teeth with small to moderate-sized cavities are often treated with basic fillings. Many parents also ask: “Why place a filling on a baby tooth? Why not just pull it?” Baby teeth are maintaining the space for the future adult tooth. Removing them too early can result in shifting of the remaining teeth and future crowding of the adult teeth. So, it is best to keep and restore the baby tooth when possible. However, if an abscess has already occurred, then removal of the baby tooth is indicated. To help prevent future crowding a space maintainer may be recommended for baby molar teeth.

Dentist examines baby teeth in a young patient