What are baby teeth? Essential information about baby teeth.

Many people know that baby teeth are the first teeth that appear in young children, but not everyone clearly understands what baby teeth are, their characteristics, and their role in a child’s development. So when do children lose their baby teeth? All of these questions will be answered in detail in the article below.

What are baby teeth?

Baby teeth, also known as primary teeth or deciduous teeth, are the first set of teeth that appear in a child’s mouth. They begin forming during the fetal stage, usually erupt when a baby is around 6 months old, and are fully developed by about 2.5 years of age. Typically, each child has a total of 20 baby teeth.

At the stage of tooth replacement, these teeth will gradually fall out to make room for permanent teeth. However, if baby teeth do not fall out at the right time, children may experience crowding or overlapping teeth.

What are the characteristics of baby teeth?

Compared to permanent teeth, baby teeth have several distinct differences in size, shape, and structure. Some noticeable characteristics include:

• Color: Baby teeth are usually milky white and brighter than permanent teeth.
• Shape: Baby teeth appear more “rounded” and fuller because their width is often greater relative to their height. Additionally, the roots of baby teeth are usually long, slender, and thinner than the crown.
• Enamel structure: The enamel and dentin of baby teeth are relatively thin, so tooth decay can progress quickly and may even reach the pulp if not treated promptly.
• Number of roots: Baby teeth often have multiple roots. Upper molars typically have 3 roots, while lower molars have 2. These roots tend to spread out, making baby teeth more prone to breaking during extraction.

Functions of baby teeth

After understanding what baby teeth are, it is also important to know their vital role in a child’s early development. Baby teeth provide several essential functions such as:

• Supporting speech: If baby teeth are decayed or lost too early, children may have difficulty speaking and may develop speech issues.
• Aiding chewing and digestion: From around 6 months of age, babies begin to explore a wider variety of foods. Baby teeth help break down food, supporting better digestion.
• Supporting jaw development: Baby teeth not only help children bite and chew but also contribute to shaping and stimulating balanced jaw development.

In addition, losing baby teeth too early can affect the eruption of permanent teeth. Gaps left by missing teeth can cause new teeth to grow crowded, misaligned, or lead to bite issues later on.

When do baby teeth fall out?

Baby teeth usually start erupting when a child is between 6–10 months old, and by around 3–4 years old, children will have a full set of 20 baby teeth. The shedding process typically begins at around 6 years old and follows the original eruption order.

Typically, the central incisors are the first baby teeth to fall out, while the second molars (tooth number 5) are usually the last, around the age of 12. After baby teeth fall out, permanent teeth will gradually erupt in their place.

Common timing for upper baby teeth replacement:

• Central incisors: 6–7 years old
• Lateral incisors: 7–8 years old
• Canines: 10–12 years old
• First molars: 9–11 years old
• Second molars: 10–12 years old

Typical timing for lower baby teeth replacement:

• Central incisors: 6–7 years old
• Lateral incisors: 7–8 years old
• Canines: 9–12 years old
• First molars: 9–11 years old
• Second molars: 10–12 years old

What should children eat after baby tooth extraction?

After baby tooth extraction, children should eat soft, easy-to-swallow foods that require minimal chewing to avoid irritating the extraction site and to help the wound heal faster. Suitable foods include:

• Porridge, soup, soft broth
• Soft rice or noodles
• Yogurt, pudding, soft cheese
• Mashed potatoes, mashed pumpkin
• Soft fruits like bananas, avocados, ripe papaya
• Smoothies or cool juices (not too cold)
• Steamed eggs, soft scrambled eggs

Additionally, ensure the child drinks enough water and eats in small portions if there is still sensitivity. In the first 1–2 days, avoid hard, chewy, hot, spicy, or overly sweet foods as they may cause pain and irritation.

How to care for baby teeth in children

Many parents believe that baby teeth will eventually be replaced by permanent teeth, so when children experience tooth decay, pulpitis, or other dental issues, treatment is unnecessary. This misconception leads to inadequate care of baby teeth. In reality, baby teeth play a crucial role in a child’s development. They not only support chewing and biting but also affect speech and aesthetics during communication.

Moreover, baby teeth help maintain space for permanent teeth to erupt properly and support balanced jaw development. Therefore, parents should pay attention to caring for their child’s baby teeth from an early age.

Effective baby teeth hygiene

Proper oral hygiene is essential for maintaining children’s dental health:

• Ages 1–2: Parents should clean the child’s mouth using a soft gauze dipped in warm water or diluted saline solution to wipe teeth and gums.
• Ages 3–6: As children begin to develop molars and enter the tooth replacement stage, parents should guide them to build a daily brushing habit.
• Ages 6–9: Adults should supervise and assist to ensure children brush properly, thoroughly, and regularly.

Which foods are good for baby teeth?

In addition to proper oral care, parents should also understand which foods benefit children’s teeth and limit foods and drinks that may harm enamel.

• Fresh fruits and vegetables: These foods are beneficial for oral health because they contain low sugar and acid levels, helping reduce the risk of enamel damage. They also support healthy gums.
• Yogurt: A nutritious food rich in calcium, helping baby teeth grow strong and supporting jaw development.
• Meat, fish, and seafood: Foods like pork, chicken, fish, and seafood are rich in vitamins B1, B2, and other essential nutrients that help protect oral health and support tooth development.
• Nuts: Age-appropriate nuts that require chewing can help strengthen chewing ability, making teeth stronger while providing calcium and protein.

Additionally, limit children’s intake of sugary and acidic foods such as carbonated drinks, candies, and bottled soft drinks, as these can increase the risk of tooth decay and enamel erosion.

Caring for baby teeth during eruption

During the baby teething stage (usually from 6–10 months old), children may become fussy, drool excessively, or develop a mild fever due to swollen and sore gums. However, parents can help relieve discomfort with appropriate care methods.

• Gently massage the gums using clean gauze dipped in cool water or a clean finger, 2–3 times per day.
• Let the child chew on a teething ring cooled in the refrigerator for about 20 minutes (do not freeze). For older children, chilled carrots or cucumbers can help soothe gums.
• Regularly wipe drool around the mouth with a soft, clean cloth to prevent irritation and skin rashes.

How to care for children’s teeth after extraction

After baby tooth extraction, children usually feel mild discomfort and can recover within 1–3 days with proper care. Appropriate care helps stop bleeding, reduce pain, and prevent infection.

Steps to follow immediately after extraction:

• Stop bleeding: Have the child bite on clean cotton or sterile gauze for about 30–45 minutes. If bleeding continues, replace with a new piece. If bleeding persists, contact a dentist.
• Reduce pain and swelling: Apply a cold compress to the outside of the cheek for 10–15 minutes at a time during the first few hours after extraction. Avoid heat as it may increase swelling.
• Rest: Limit vigorous activity and avoid rinsing the mouth forcefully within the first 24 hours to protect the extraction site.

Pediatric dental care at Phuong Thanh Dental Clinic

PHUONG THANH DENTAL CLINIC

Sa Dec Branch: 483 Hung Vuong, Cai Son Hamlet, Sa Dec Ward, Dong Thap Province.

Hotline: 02773 95 6868

Cao Lanh Branch: 783 Pham Huu Lau, Cao Lanh Ward, Dong Thap Province (Dong Thap University Campus)

Hotline: 02773 95 6869

P.T.T