# Is decay in baby teeth a cause for concern, or is it unimportant because they will be replaced by permanent teeth?

Canonical page: https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth
Language: en
Category: dentistry
Publisher: ClinicsJo
Published: 2026-09-13T08:09:53.225Z
Content updated: 2026-09-13T08:09:53.225Z
Translation (ar): https://clinicsjo.com/ar/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth

Although baby teeth (milk teeth) eventually fall out to make room for permanent teeth, decay in them is not something to be ignored. The health of baby teeth directly affects the development of permanent teeth and the child's overall oral health. Untreated decay in baby teeth can lead to complications that go beyond just pain or the loss of the baby tooth.

## Risks of Untreated Decay in Baby Teeth

When decay in baby teeth goes untreated, it can worsen and cause severe pain, affecting a child's ability to eat, sleep, and concentrate. Advanced decay can lead to serious infections, such as an abscess (a collection of pus), which may cause facial swelling and fever, and requires immediate treatment. These infections do not just affect the affected baby tooth, but can spread and affect the surrounding gums and bone, and even affect the buds of the permanent teeth developing underneath, potentially causing issues with their development or proper eruption [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

Furthermore, premature loss of baby teeth due to decay can lead to malocclusion (bite) problems. Baby teeth act as "space maintainers" for permanent teeth; if a baby tooth is lost prematurely, neighboring teeth may shift into the space, reducing the space available for the permanent tooth when it erupts. This may lead to crowding of permanent teeth or their eruption in the wrong position, which may require orthodontic treatment later [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

## Early Detection and Prevention

Early detection of decay in baby teeth is vital. In the initial stages, there may be no symptoms, but a dentist can detect decay during routine check-ups. White spots may appear on the tooth surface as an early sign of demineralization, and at this stage, it may be possible to reverse or stop the decay by improving oral care and using fluoride. As decay worsens, brown or black spots, or even visible holes, may appear [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

To prevent decay in baby teeth, good oral hygiene practices should be followed from a young age. This includes cleaning the child's teeth twice daily with fluoride toothpaste and using dental floss regularly. Also, limiting the intake of foods and drinks rich in sugars and starches, and eating balanced meals, reduces the risk of decay. Regular dentist visits for professional examination and cleaning every 6 months are also essential [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>). You can learn more about this topic in our comprehensive article on [Childhood Tooth Decay: Prevention, Early Detection, and Treatment Options (Arabic)](<https://clinicsjo.com/ar/articles/childhood-tooth-decay-prevention-detection-treatment>).

## Available Treatment Options

Treatment for baby tooth decay depends on the progression of the decay:

- **Fluoride treatments:** In the early stages of decay, fluoride treatments can help remineralize and repair the enamel [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

- **Fillings:** If there is a cavity (hole) in the tooth, the dentist removes the decayed part and then fills the tooth with a filling material. Common materials include composite resins (composite) or amalgam. Composite is preferred for its natural appearance, while amalgam is strong and cost-effective [\[3\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S3>). Filling options should be discussed with the dentist, especially for children under six years old, due to some concerns regarding mercury in amalgam fillings for certain at-risk groups [\[2\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S2>).

- **Dental Crowns:** If the decay is extensive and has significantly weakened the tooth, the dentist may recommend placing a crown (cap) over the tooth to protect it [\[3\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S3>).

- **Root canal treatment:** In severe cases where decay reaches the tooth pulp and causes inflammation or infection, root canal treatment may be necessary to save the baby tooth [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

- **Extraction:** In the most severe cases, when the damage cannot be repaired, extracting the baby tooth may be the only option. In this case, the dentist may recommend using a space maintainer to preserve the space for the permanent tooth [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

## When Should You See a Dentist?

You should contact the dentist immediately if you notice any pain in your child's teeth, sensitivity to sweets or hot/cold drinks, or if you see dark spots or holes on their teeth. Regular check-ups every six months are essential even if there are no clear symptoms [\[3\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S3>). In case of facial swelling or fever accompanied by tooth pain, seek emergency care immediately, as this may indicate an abscess that requires urgent treatment [\[1\]](<https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#source-S1>).

## Medical references

- [Tooth Decay](<https://medlineplus.gov/toothdecay.html>)

- [Dental Amalgam Fillings](<https://www.fda.gov/medical-devices/dental-devices/dental-amalgam-fillings>)

- [Dental cavities](<https://medlineplus.gov/ency/article/001055.htm>)

General health education; not a substitute for individualized clinical assessment.

Citation URL: https://clinicsjo.com/en/faq/is-decay-in-baby-teeth-a-concern-or-unimportant-because-they-will-be-replaced-by-permanent-teeth#answer
