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Teeth: Primary, Permanent & Dental Formula Video Lecture | Biology for JAMB
FAQs on Teeth: Primary, Permanent & Dental Formula Video Lecture - Biology for JAMB
| 1. What are primary teeth and when do they typically start to erupt? |  |
Ans. Primary teeth, also known as baby teeth or deciduous teeth, are the first set of teeth that children develop. They usually start to erupt between the ages of 6 months to 1 year.
| 2. How many teeth are there in the permanent dentition? | |
Ans. The permanent dentition consists of 32 teeth, including incisors, canines, premolars, and molars. The dental formula for permanent teeth is 2-1-2-3/2-1-2-3.
| 3. What is the dental formula for primary teeth? | |
Ans. The dental formula for primary teeth is 2-1-2-0/2-1-2-0. This means that there are a total of 20 primary teeth, which include incisors, canines, and molars.
| 4. When do children typically start losing their primary teeth? | |
Ans. Children typically start losing their primary teeth around the age of 6 or 7. This process is known as exfoliation, and it allows the permanent teeth to erupt and take their place.
| 5. What are some common dental problems that can affect both primary and permanent teeth? | |
Ans. Some common dental problems that can affect both primary and permanent teeth include tooth decay, gum disease, malocclusion (misalignment of teeth), and tooth loss. Regular dental care and good oral hygiene practices can help prevent these issues.
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