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The Stages of a Child’s Teeth Development

by | Aug 7, 2023

Watching your child grow and reach important milestones is an incredible journey. Among these milestones, the development of their teeth is a significant process that requires attention and care. Understanding the stages of a child’s teeth development can help you support their oral health from infancy through adolescence. In this comprehensive guide, we will explore the various stages of tooth development, what happens at each stage, and provide valuable insights into what parents can do to promote healthy oral habits.

Stage 1: Primary Dentition (Baby Teeth)

The first stage of tooth development begins before birth. Around the sixth week of pregnancy, tooth buds form in the baby’s gums. By birth, they have a complete set of 20 primary teeth waiting to erupt. The eruption of baby teeth typically begins around six months, although the timeline can vary.

During this stage, it is important to gently clean your baby’s gums with a soft, damp cloth after feedings. Once the first tooth erupts, introduce a soft-bristled infant toothbrush and start brushing twice daily with water. Avoid sugary foods and beverages, as they can contribute to tooth decay, even in baby teeth. Regular visits to the dentist should begin by the age of one or when the first tooth erupts.

Stage 2: Mixed Dentition (Primary and Permanent Teeth)

Around the age of six, the primary teeth start to fall out, making way for permanent teeth. This stage is known as the mixed dentition phase. Losing baby teeth and erupting permanent teeth can last until early adolescence.

During this stage, continue with regular dental visits to monitor the transition. Encourage proper brushing techniques, using a pea-sized amount of fluoridated toothpaste. Teach your child the importance of regular brushing and flossing to maintain good oral hygiene habits. Emphasize a balanced diet rich in calcium, phosphorus, and vitamins, contributing to strong and healthy teeth.

Stage 3: Permanent Dentition

As your child enters adolescence, their permanent teeth will continue to erupt. This is a critical stage where the foundation for a lifetime of oral health is laid. The permanent dentition stage typically begins around age 12 and lasts into early adulthood.

During this stage, maintain regular dental check-ups every six months to monitor the development of permanent teeth. Encourage your child to take responsibility for their oral hygiene routine, including brushing and flossing. Reinforce the importance of a healthy diet and avoiding sugary snacks and drinks, which can increase the risk of tooth decay and gum disease.

Orthodontic Considerations

During the permanent dentition stage, orthodontic concerns may arise. Many children require orthodontic treatment to correct misaligned teeth or jaw irregularities. Early intervention can help address these issues more effectively. If you notice any misalignment, crowding, or malocclusion, consult a qualified orthodontist or pediatric dentist. They can provide a comprehensive evaluation and recommend appropriate treatment options, such as braces or aligners, to ensure proper alignment and optimal oral health.


As your child progresses through the stages of teeth development, Triangle Dentistry is here to support their oral health every step of the way. From the eruption of baby teeth to the transition into permanent dentition, our team of experienced professionals is dedicated to providing comprehensive dental care for children of all ages. By following proper oral hygiene practices, promoting a healthy diet, and scheduling regular dental visits, you can help your child maintain a beautiful and healthy smile throughout their life.

At Triangle Dentistry, we offer a child-friendly environment and personalized care, ensuring that your child feels comfortable and confident during their dental visits. Trust Triangle Dentistry as your partner in your child’s dental journey. Our commitment to excellence and compassionate care will help your child achieve optimal oral health and a lifetime of confident smiles. Book an appointment today and give your child the gift of healthy teeth and a bright future.